WO2006009282A1 - 電子部品試験装置 - Google Patents
電子部品試験装置 Download PDFInfo
- Publication number
- WO2006009282A1 WO2006009282A1 PCT/JP2005/013590 JP2005013590W WO2006009282A1 WO 2006009282 A1 WO2006009282 A1 WO 2006009282A1 JP 2005013590 W JP2005013590 W JP 2005013590W WO 2006009282 A1 WO2006009282 A1 WO 2006009282A1
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- Prior art keywords
- test
- unit
- tray
- electronic component
- electronic
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- 238000012360 testing method Methods 0.000 title claims abstract description 1009
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/317—Testing of digital circuits
- G01R31/31718—Logistic aspects, e.g. binning, selection, sorting of devices under test, tester/handler interaction networks, Test management software, e.g. software for test statistics or test evaluation, yield analysis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/26—Testing of individual semiconductor devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2851—Testing of integrated circuits [IC]
- G01R31/2855—Environmental, reliability or burn-in testing
- G01R31/286—External aspects, e.g. related to chambers, contacting devices or handlers
- G01R31/2865—Holding devices, e.g. chucks; Handlers or transport devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/317—Testing of digital circuits
- G01R31/3181—Functional testing
- G01R31/319—Tester hardware, i.e. output processing circuits
- G01R31/31903—Tester hardware, i.e. output processing circuits tester configuration
- G01R31/31905—Interface with the device under test [DUT], e.g. arrangements between the test head and the DUT, mechanical aspects, fixture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2851—Testing of integrated circuits [IC]
- G01R31/2855—Environmental, reliability or burn-in testing
- G01R31/286—External aspects, e.g. related to chambers, contacting devices or handlers
- G01R31/2868—Complete testing stations; systems; procedures; software aspects
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2851—Testing of integrated circuits [IC]
- G01R31/2893—Handling, conveying or loading, e.g. belts, boats, vacuum fingers
Definitions
- the present invention relates to an electronic component testing apparatus for testing various electronic components such as semiconductor integrated circuit elements.
- an electronic component testing apparatus for testing an electronic component such as an finally manufactured IC chip is required.
- the test environment is set to normal temperature, high temperature, or low temperature
- the test pattern is input to the IC chip, and the response pattern is inspected. This is because, as a characteristic of an IC chip, it is necessary to ensure that it operates well even at normal temperature, high temperature or low temperature.
- a conventional general electronic device testing apparatus transmits a test pattern and stores a program for inspecting a response pattern, and electrically connects the tester and the electronic device under test (DUT).
- Test heads equipped with contact terminals to connect to the test head, and a large number of electronic components under test to the contact terminals of the test head in order, and the tested electronic components that have been tested physically It consists of handlers to classify. Then, set the electronic device under test on the tester and transport it onto the test head, where the electronic device under test is pressed against the contact terminal of the test head and electrically connected to the target operation test. Is done.
- a plurality of electronic parts before testing are mounted on a tray called a customer tray (or a user tray), and after setting the electronic parts in a handle, these electronic parts are attached to the handler. Transfer to the test tray circulating inside. The steps of bringing the electronic component to high or low temperature, pressing the electronic component against the contact part of the test head and inputting / outputting the test signal and its response signal, and returning the electronic component to room temperature were mounted on the test tray. It is carried out in the state, and finally transferred to the customer tray according to the test result.
- An object of the present invention is to provide an electronic component test apparatus that can shorten the transfer time of an electronic component to be tested to increase the throughput of a handler and reduce troubles during transfer.
- a plurality of test heads each mounted with a test head connected to a tester that outputs a test signal to an electronic component under test and inspects the response signal are provided.
- a unit, a transport medium force of a previous process before a plurality of electronic components to be tested are transferred into the test unit, and a transport medium for transferring the plurality of electronic components to be tested to a test tray
- the carry-in / transfer unit is provided at least in the foremost stage of the plurality of test units, and the carry-out / transfer unit is provided in at least the last stage of the plurality of test units,
- test tray transports between test units or between units.
- a loading / unloading unit is provided in the foremost test unit and a classification transfer unit is provided in the last stage, and a plurality of them are provided side by side.
- the test unit transports the electronic components under test on the test tray.
- Tests in a plurality of test units are performed while the electronic device under test is mounted on a test tray that is not transferred to another transport medium on the way, so that the transfer work from the transport medium in the previous process to the test tray is performed.
- the time required for the transfer operation to the transport medium in the post process such as the test tray can be shortened, and the throughput of the entire electronic component testing apparatus is improved.
- the carry-in transfer unit and the classification transfer unit according to the present invention are configured as separate units, and the carry-in transfer unit is configured so that the plurality of electronic devices to be tested are loaded into the test unit.
- the classification transfer unit classifies the transport medium of the test tray into the post-process transport medium according to the test results of the plurality of electronic devices under test.
- the carry-in transfer unit and the classification transfer unit are configured as a single transfer unit, and the transfer unit includes the above-described transfer unit.
- Post-work It may be configured to have the function of transferring while sorting into the appropriate transport medium!
- Such a configuration of the carry-in transfer unit and the classification transfer unit according to the present invention can be set to an optimum form according to the arrangement, processing capability, and test specifications of the plurality of test units.
- the test tray according to the present invention mounts the electronic device under test before the test, such as the transport medium strength of the previous process, in the loading / unloading unit, and then the electronic device under test after the test in the classified transfer unit. Until the parts are transferred to the transport medium in the subsequent process, they are sequentially transported to a plurality of test units.
- This test tray is transported not only by an automatic transport device such as a conveyor but also by a manual operation using a transport cart. This includes transportation and manual transportation by workers.
- the test tray can be transferred from the front stage of the plurality of test units to the last stage, and from the last stage to the front stage, and the plurality of test units can be automatically circulated.
- Such conveyance of the test tray according to the present invention can be set to an optimum form according to the arrangement, processing capability, and test specifications of the plurality of test units.
- the plurality of test units according to the present invention are appropriately arranged according to a desired layout.
- a buffer unit capable of holding the test tray can be provided in the test tray transporting means between the test units. By providing a nota section, it is possible to absorb differences in processing capacity between test units. In addition, even if a test unit fails temporarily, the rise time at the time of recovery can be shortened by holding the test tray in the buffer unit.
- Such a buffer portion of the test tray can be set to an optimum form according to the arrangement, processing capability, and test specifications of a plurality of test units.
- the number of electronic components to be tested to be mounted on the test tray is determined based on the test unit having the minimum processing capability among the plurality of test units. It can also be the number of treatments. For test units other than the test unit with the minimum processing capability, the difference in processing capability can be absorbed by running the test tray in parallel.
- the carry-in transfer unit and the classification transfer unit according to the present invention are provided at least in the first and last stages of the test unit, but on the other hand, mounted on the test tray at least one of the test units. It is also possible to provide an intermediate transfer unit for taking out the electronic device under test out of the process. In any of the multiple test units, some of the electronic components under test have been determined to have a defective test result, or in any of the multiple test units, a contact has failed. Depending on the number of occurrences, the overall test efficiency (test time) may be improved by taking the electronic device under test out of the process in the middle of the test unit.
- an intermediate transfer unit is installed in the middle of the test unit, and the electronic devices under test that require no subsequent testing are taken out of the process and the entire test is performed. Efficiency can be improved.
- another electronic device under test may be mounted using an intermediate transfer unit. It may be transferred to the test tray.
- test unit In the test unit according to the present invention, at least a test head connected to a tester that outputs a test signal to the electronic component under test and inspects the response signal is mounted.
- a constant temperature part that applies thermal stress to the electronic device under test and a heat removal part that removes the thermal stress applied to the electronic device under test may be included.
- raise or lower the electronic device under test at a constant temperature part test it in the desired temperature environment, and then return it to room temperature at the heat removal part. It can be used for testing in various temperature environments.
- test units In a plurality of test units according to the present invention, trouble such as failure, difference in processing capacity, Although the operating status may not be as expected due to differences in test specifications, etc., multiple test units, carry-in transfer units, and classification transfer units are connected by an information communication network such as a network. It is also possible to monitor the operating status and select the optimal test unit to which the electronic device under test should be carried based on the monitoring result.
- the electronic device testing apparatus can be modularized into a Nording module and a test module.
- a Nording module multiple handling modules with different throughput due to different number of simultaneous grips when transporting the electronic device under test and Z or its transport speed are prepared
- the test module Prepare multiple test modules with different numbers of simultaneous measurements and different test temperatures (temperature control function for the electronic device under test).
- FIG. 1 is a block diagram showing a concept of an electronic component testing apparatus according to the present invention.
- FIG. 2 is a block diagram showing an embodiment of an electronic device testing apparatus according to the present invention, mainly illustrating the handling of a test tray and the like.
- FIG. 3 is a schematic diagram (plan view) showing an embodiment of a carry-in transfer unit and a classification transfer unit according to the present invention.
- FIG. 4 is a schematic view (plan view) showing another embodiment of the carry-in transfer unit and the classification transfer unit according to the present invention.
- FIG. 5 is a conceptual block diagram showing another embodiment of the electronic device test apparatus according to the present invention.
- FIG. 6 is a block diagram showing an embodiment of an intermediate transfer unit according to the present invention.
- FIG. 7 is a block diagram showing another embodiment of an electronic device test apparatus according to the present invention.
- FIG. 8 is a block diagram showing another embodiment of an electronic device test apparatus according to the present invention.
- FIG. 9 is a block diagram showing another embodiment of an electronic device test apparatus according to the present invention.
- FIG. 10 is a block diagram showing another embodiment of an electronic device test apparatus according to the present invention.
- FIG. 11 is a block diagram showing another embodiment of an electronic device test apparatus according to the present invention.
- FIG. 12 is a block diagram showing still another embodiment of the electronic device test apparatus according to the present invention.
- FIG. 13 is a block diagram showing still another embodiment of the electronic device test apparatus according to the present invention.
- FIG. 14 is a schematic diagram showing an embodiment of a test module according to the present invention.
- FIG. 15 is a schematic view (front view) showing an embodiment of a handling module according to the present invention.
- FIG. 16 is a schematic view (back view) showing an embodiment of a handling module according to the present invention.
- FIG. 17 is a diagram for explaining the types and combinations of handling modules and test modules according to the present invention.
- FIG. 18 is a conceptual diagram showing a method of routing an electronic device under test and a tray in the electronic device test apparatus according to the present invention.
- FIG. 19 is a diagram for explaining a selection method based on the number of simultaneous measurements of the test module according to the present invention.
- FIG. 20 is a diagram for explaining a selection method based on the throughput of the handling module and the number of simultaneous measurements of the test module according to the present invention.
- the system including the electronic component test apparatus 500 of the present embodiment includes an import / transfer unit 510, a plurality of testers T1,..., A plurality of test units from the upstream side. 520a ••• 520 ⁇ , Classification transfer unit 530 is continuously installed.
- the tester ⁇ outputs a test signal to the electronic component under test and inspects the response signal, and is composed of a test program and a computer that executes the test program.
- the tester ⁇ ⁇ is connected to a test head (not shown) via a cable such as a test signal, and a contact portion (not shown) for contacting the input / output terminal of the electronic device under test is provided on the test head.
- the test unit 520 includes a test unit 521 to which the above-described test head is attached, and, for example, two test units 520a and 520b are provided to one tester T1 as shown in FIG. A plurality of such test units 520 are provided.
- a constant temperature unit 522 that applies thermal stress to the electronic device under test is provided in front of the test unit 521 of the test unit 520.
- the constant temperature unit 522 can be constituted by a constant temperature bath provided with a heater or the like for heating the temperature of the electronic component under test when performing a high temperature test. Further, when performing a low temperature test, it can be constituted by a thermostatic chamber equipped with a refrigerant supply device such as liquid nitrogen in order to cool and lower the temperature of the electronic device under test.
- a heat removal unit 523 for removing thermal stress applied to the electronic device under test is provided at the subsequent stage of the test unit 521 of the test unit 520.
- the heat removal unit 523 can be constituted by a tank having a cooling device for cooling the electronic device under test to near room temperature when a high temperature test is performed. Sorting with the same temperature is avoided. Further, when a low temperature test is performed, it can be constituted by a tank having a heater for heating the electronic device under test to near room temperature, thereby preventing dew condensation on the electronic device under test.
- a belt type conveyor or a cylinder type conveyor can be used for conveying the test tray 4T to the constant temperature unit 522, the test unit 521, and the heat removal unit 523 in the test unit 520.
- the loading / unloading unit 510 has a plurality of test units 520 provided side by side.
- the classification transfer unit 530 is provided in the last test unit 520 ⁇ of the test unit 520 provided in a plurality, and the test mounted on the test tray 4mm is completed.
- the electronic parts under test are transferred to the customer tray 4C while being classified according to the test results.
- FIG. 3 is a plan view showing a specific example of the carry-in transfer unit 510 and the classification transfer unit 530.
- the suction head ⁇ ⁇ ⁇ that sucks the electronic device under test mounted on the tray is attached to the electronic device under test. It is possible to move toward and away (in the ⁇ axis direction), and this suction head ⁇ can be moved along the X axis arm X ⁇ in the X axis direction in a plane perpendicular to the Z axis direction.
- the arm XA can move along the Y-axis arm YA in the Y-axis direction in a plane perpendicular to the Z-axis direction.
- the loading / unloading unit 510 shown on the left in FIG. 3 sucks and holds the pre-test electronic components mounted on the customer tray 4C with the suction head H, which is used as a test tray.
- the pre-test electronic parts mounted on the customer tray 4C are transferred to the test tray 4T.
- the loading / unloading unit 510 there is also a form in which the customer tray 4C force also sucks and holds a plurality of electronic components to be tested and transports them to the test tray 4T.
- the classification transfer unit 530 shown on the right side of Fig. 3 the electronic components after the test mounted on the test tray 4T are sucked and held by the suction head ⁇ , and a test is performed in the customer tray 4C in which a plurality of these are installed. After moving to a predetermined tray position according to the result and releasing the electronic parts that have been sucked and held, the electronic parts after the test that has been mounted on the test tray 4T Transfer while classifying.
- the classification transfer unit 530 there is also a form in which a plurality of electronic devices under test are collectively sucked and held from the test tray 4T and transferred to the customer tray 4C corresponding to the classification. .
- the front stage 520a and the last stage 520 ⁇ of the test unit 520 are installed at positions separated from each other, and therefore are classified as the carry-in transfer unit 510.
- the front stage 520a and the last stage 520 ⁇ of the test unit 520 may be laid out at the same position or in close proximity.
- the carry-in transfer unit 510 and the classification transfer unit 530 may be configured by the same unit.
- FIG. 4 is a schematic diagram (plan view) showing an embodiment of the transfer unit 540 that has both the function of the carry-in transfer unit 510 and the function of the classification transfer unit 530, and shows a test tray 4 mm or a customer.
- the suction head ⁇ that picks up the electronic device under test mounted on the tray 4C can move toward and away from the electronic device under test (in the axial direction), and this suction head ⁇ is placed on the X-axis arm ⁇ .
- the X axis arm ⁇ moves along the axis arm ⁇ in the axis direction in the plane perpendicular to the axis direction. It is possible.
- the basic configuration of the three-dimensional pickup and place device is the same as that shown in FIG. 3. Force control is performed when the function is performed as the loading / unloading unit 510 and when the function is performed as the classification / transfer unit 530. Switchable. In other words, when transferring pre-test electronic components from the customer tray 4C to the test tray 4 ⁇ , the operation control program is switched to the specifications of the loading / unloading unit 510, while the test from the test tray 4 ⁇ to the customer tray 4C is performed. When transferring later electronic parts while classifying, the operation control program is switched to the specifications of the classification transfer unit 530.
- the transfer unit 540 having both the loading transfer function and the classification transfer function shown in FIG. 4 may be disposed in each of the foremost stage 520a and the last stage 520 ⁇ of the plurality of test units 520. .
- test tray 4T is transported between the classified transfer position of the first test unit 520a and the transfer transfer position of the second test unit 520b.
- a test tray transfer device 550 having a force such as a belt conveyor is provided.
- a test tray transfer device 550 is also provided between the n ⁇ 1 first test unit 520 ⁇ -1 and the nth test unit 520 ⁇ .
- a buffer unit 560 for holding the tray 4T is provided so that the waiting time due to the difference in processing capacity between the test trays can be absorbed.
- test tray transfer device 570 for returning to the transfer position is provided between the last-stage test unit 520 ⁇ and the foremost test unit 520a.
- the test tray transfer device 570 can also be configured by a belt conveyor or the like, but it may be manually transferred by an operator or manually transferred by a transfer carriage.
- the pocket for accommodating the electronic components of the test tray 4T has a shape and arrangement corresponding to the number of contact portions (number of sockets) of the test head mounted on the test unit 520.
- the socket of the test head When the number is 32 (4 vertical x 8 horizontal), 64 (8 vertical x 8 horizontal), and 128 (8 vertical x 16 horizontal), the test tray 4T electronic components are accommodated.
- the number of sockets of the test head mounted on the first test unit 520a is 32 (4 rows x 8 rows).
- the number of test head sockets installed in test unit 520b is 64 (8 rows x 8 rows)
- the number of electronic components in test tray 4T is the first test unit with low processing capacity.
- the test unit 520b is configured with 32 pieces (4 rows x 8 rows) to match the number of sockets in the 520a and the test is performed with the second test unit 520b
- the test unit 521 is configured to carry two test trays 4T and 4T in parallel and to test the two test trays 4T and 4T according to the processing capacity of the test unit 520b! RU
- the number of electronic components accommodated in the test tray 4T is set to that of the test unit 520a having the lowest processing capability.
- the number of sockets it is possible to test all electronic components mounted on the test tray 4T, and it is possible to suppress the occurrence of waiting time in the test unit 520b having a high processing capacity.
- FIG. 2 A procedure for testing an electronic component using the electronic component testing apparatus 500 having the above-described configuration is illustrated in FIG. This will be described with reference to FIG.
- a high temperature test is performed in the first test unit 520a
- a low temperature test is performed in the second test unit 520b.
- the processing capacity of the first test unit 520a is assumed to be half that of the second test unit 520b. It is assumed that the number of simultaneous measurements for the second and the second unit is 64, and the number of electronic components in the test tray 4T is 32.
- a customer tray 4C (or a customer tray cassette 4CC in which a plurality of customer trays are stacked) on which a plurality of electronic components are mounted is set at the customer tray position of the carry-in transfer unit 510, and a three-dimensional pickup and place device As a result, the pre-test electronic components mounted on the customer tray 4C are sucked and transferred to the test tray 4T one by one or plural. As shown in Fig. 2, when 32 electronic parts are packed in one of the test trays 4T, the test tray 4T is transported from the previous loading / transferring position to the loader unit 524 by a belt conveyor or the like, and further This force is also conveyed to the constant temperature unit 522.
- the constant temperature unit 522 is composed of a constant temperature chamber set to a predetermined high temperature, when the test tray 4T is carried into the constant temperature unit 522, thermal stress of a predetermined temperature is applied to each electronic component, and The part is heated to the target temperature.
- the constant temperature unit 522 and a heat removal unit 523 described later are omitted or the chamber is set to normal temperature, and the test tray 4 T simply passes through the chamber.
- test tray 4T in which each electronic component has been heated to the target temperature by passing through the constant temperature section 522 is transported to the next test section 521, where it is transferred to the contact section of the test head (not shown).
- Electronic parts Contact each of the 32 terminals simultaneously.
- a test signal is sent from the tester T to each electronic component, and a response signal of the electronic component side force is returned to the contact force tester T.
- the tester T can determine whether the electronic component is good (whether there is a malfunction) or the operation speed (high speed, medium speed, low speed). judge.
- Information of this determination result is stored in a control device (not shown) of the test unit 520 or the tester T in association with the accommodation position (pocket position) of the test tray 4T. Based on this determination result information, the operation of the post-process is controlled. [0047]
- the test tray 4T is transported to the heat removal unit 523, and the electronic component is cooled to near room temperature.
- the test tray 4T on which the electronic components removed by the heat removal unit 523 are mounted is transported to the unloader unit 525 and further transported to the unloading position 526. This force is also transferred to the second test unit 520b by the test tray transport device 550. It is transferred to the carry-in position 527.
- the test unit 520a and the second test unit 520b may be temporarily held in the buffer unit 560 provided in the middle of the test tray transport device 550. Then, it is transferred to the loading position 527 of the second test unit 520b.
- test tray 4T that has arrived at the carry-in position 527 of the second test unit 520b is transported to the loader unit 524, where it is transported to the constant temperature unit 522 while being aligned in parallel.
- the constant temperature unit 522 is composed of a constant temperature chamber set to a predetermined low temperature, when the test tray 4T is carried into the constant temperature unit 522, thermal stress of a predetermined temperature is applied to each electronic component, and The part cools down to the target temperature.
- the two test trays 4T and 4T in which each electronic component has been cooled to the target temperature by passing through the constant temperature section 522, are transported in parallel to the next test section 521, where a test not shown in the figure is performed.
- Each of the 32 x 2 electronic components is in contact with the head contact area at the same time.
- a test signal is sent from the tester ⁇ to each electronic component, and a response signal of the electronic component side force is sent back to the contact force tester ⁇ .
- the tester determines whether the electronic component is good (whether there is a malfunction) or the operation speed (high speed, medium speed, low speed).
- Information on the determination result is stored in a control device (not shown) of the test unit 520b or the tester T in association with the storage position (pocket position) of the test tray 4 ⁇ . Based on this determination result information, the post-process operation is controlled.
- test tray 4T and 4T are transported to the heat removal unit 523, and the electronic components are heated to near room temperature. As a result, it is possible to prevent condensation from forming on the electronic component.
- the test tray 4 ⁇ loaded with the electronic components removed by the heat removal unit 523 is conveyed to the unloader unit 525, and further conveyed to the classification transfer position of the classification transfer unit 530, where the test results are stored.
- Control unit for test unit 520a, 520b The test result data is sent to the classification transfer unit 530 according to the storage position of the test tray 4T.
- the three-dimensional pickup and place device of the classification transfer unit 530 uses the test result of the first test unit 520a and two units. It is transferred to the customer tray 4C corresponding to the test result of the eye test unit 520b.
- test tray 4T is transferred to the first test unit 520a by the test tray transfer device 570 and then transferred to the transfer unit 510. Return to the transfer position.
- the transportation of the electronic components to the first test unit 520a and the second test unit 520b is returned to the customer tray 4C ⁇ Since it is transported as it is with the same test tray 4T as it is, the transfer time to the customer tray 4C can be omitted, so the throughput for the transport system can be improved. In addition, the number of transfers to the customer train 4C can be greatly reduced, resulting in a lower probability of trouble occurring during transfer operations.
- the system using three or more test units 520 is used. It can be applied even if it exists. Further, the present invention can be applied even to a system in which a plurality of test units 520 having the same processing capability are provided.
- the loading / unloading unit 510 is provided in the foremost stage 520a of the test unit 520, and the classification transfer unit 530 is provided in the last stage 520 ⁇ of the test unit 520.
- an intermediate transfer unit 580 can be provided between the test units 520 to take the electronic components to be tested mounted on the test tray 4 ⁇ out of the process.
- the test for each socket is controlled so that some defective sockets are not tested (hereinafter also referred to as socket off). Therefore, the electronic components placed in the defective socket are socket-off and need to be retested. In addition, it is desirable to avoid mounting electronic components because defective sockets may cause the electronic components to deteriorate or break. On the other hand, in the case of an empty state where electronic components are not placed in a normal socket, the number of simultaneous measurements is reduced, resulting in a decrease in throughput.
- an intermediate transfer unit 580 as shown in FIG. 6 can be provided between adjacent test units 520.
- This intermediate transfer unit 580 is provided between the front-stage test unit 520m-1 and the rear-stage test unit 520m, and is a tertiary structure having the same type as that of the carry-in transfer unit 510 and the classification transfer unit 530 described above. Has original pick-up and place equipment. Then, as shown in the figure, the electronic parts determined to be defective by the previous test unit 520 m-1 are transferred to the customer tray 4C here even during the test process. Drain out.
- the customer tray 4C force can be equipped with electronic components in the test tray 4T pocket that is emptied due to discharge, so that the number of simultaneous measurements in the next process can be maximized.
- electronic components should not be placed in the defective socket.
- electronic components that are determined to be non-defective products in the previous process are directly transferred from the test tray 4T of the previous test unit 520m-l to the test tray 4T of the subsequent test unit 520m.
- the customer train 4C can be used as a temporary buffer, it can flexibly cope with fluctuations in the processing time of the previous process and the processing time of the subsequent process.
- multiple stacks The power shown in the specific example using the stacked customer tray cassette 4CC It can be realized with a configuration that uses the test tray 4T instead of the customer tray 4C.
- the intermediate transfer unit 580 functions effectively.
- a test program for testing the basic functional operation of electronic components is used to perform a test that is completed in a short time (eg, about 1 minute).
- the defective products detected in the previous process are eliminated by the intermediate transfer unit 580, and all the non-defective electronic components are loaded on the test tray 4T in the subsequent process by transferring all the good products to the test tray 4T.
- the test can always be performed with the maximum number of simultaneous measurements.
- an inspection for a long time for example, about 10 minutes
- a test program for testing all the functional operations of the electronic components is executed by a test program for testing all the functional operations of the electronic components.
- an intermediate transfer unit having a tray changing ability which is different from the intermediate transfer unit 580 shown in FIG. Specifically, this intermediate transfer unit is provided with a stocking force for accommodating the test tray 4T in the previous process and a stocking force for accommodating the test tray 4T in the subsequent process. After the mounted electronic components are transferred to the test tray 4T in the subsequent process to be carried out, the empty test tray in the previous process is accommodated in the previous test tray force.
- the application of the intermediate transfer unit 580 improves the test efficiency (test time) in the subsequent process as a result of eliminating defective products and increasing the number of simultaneous measurements accompanying the elimination of defective products. it can. Further, since it is possible to eliminate the placement of the electronic component on the defective socket in the subsequent process, unnecessary deterioration and damage to the electronic component can be avoided.
- FIG. 7 is another embodiment of the present invention in which a bypass unit 590 is added to the configuration of FIG.
- the bypass unit 590 receives the test tray 4T of the loader unit 524 and transfers it to the unloader unit 52.
- bypass unit 590 By providing the bypass unit 590, a no-pass path for supplying the test tray 4T in the carry-in / transfer unit 510 to the test unit 520b in the next process as it is can be formed.
- a plurality of test units 520a and 520b can be simultaneously tested in the same test condition (for example, a high temperature test). Therefore, a desired number of test units with the same test conditions can be connected in series, and tests with the same test conditions can be performed in parallel. In addition, the number of connected test units can be increased or decreased at any time.
- the bypass unit 590 an empty tray can be transported or a test tray 4T on which uninspected electronic components are placed can be supplied to a subsequent process.
- FIG. 8 shows another embodiment of the present invention in which a device transfer unit 597 is added to the configuration of FIG.
- the device transfer unit 597 includes a three-dimensional pickup and place device 596, a buffer tray 598, and a test tray moving device.
- the test tray moving device moves the test tray 4T from the loader unit 524 side to the unloader unit 52 side, moves the test tray 4T from the unloader unit 52 side to the loader unit 524 side, or reciprocates with respect to the loader unit 524. It can be moved, reciprocated with respect to the unloader section 52, or stopped halfway.
- the buffer tray 598 temporarily stores the uninspected electronic component UD UT before the test from the loader unit 524, or the defective electronic component F-DUT that has been judged as defective after the test from the unloader unit 52. Temporary storage or non-defective electronic component P-DUTs that have been determined to be non-defective can be temporarily stored.
- the number of U-DUTs, F-DUTs and P-DUTs held in the buffer tray 598 and management information of each DUT can be managed by the test unit 520 and the electronic component test apparatus 500.
- 3D pickup & place device 596 is buffer tray 598 And the test tray 4T, and the test tray 4 ⁇ itself can transfer electronic components.
- a usage form of the device transfer unit 597 shown in FIG. 8 will be described.
- the first transfer form is a function of returning to the loader unit 524 and performing a retest. That is, when a contact failure is detected in the test unit 520 due to a failure of the socket of the test unit 521, the electronic component may be reinspected.
- the test tray 4C discharged to the unloader unit 52 is moved to the device transfer unit 597 ⁇ — timely, and the electronic component to be reinspected is transferred to the buffer tray 598.
- transfer control is performed on the loading / unloading unit 510 so that an empty pocket exists when transferring from the customer tray 4C to the test tray 4L.
- test tray 4 mm provided with an empty pocket is temporarily moved to the device transfer unit 597, and the electronic component to be inspected is transferred from the rebuffer tray 598 force to the empty pocket. Thereafter, by returning to the loader unit 524, the retest of the electronic component to be reinspected can be realized.
- the second transfer form is a function of stacking defective electronic components F-DUs whose defects are determined by the test unit 520 in one tray. That is, if there is a defective electronic component F-DUT that has been confirmed to be defective by the test unit 520 in the test tray 4 mm discharged from the heat removal unit 523 to the unloader unit 52, the test tray 4 mm is transferred to the device. Move to unit 597 and transfer defective electronic component F-DUT to buffer tray 598. The test tray 4mm moves to the unloading position 526 and moves to the subsequent process.
- the number of defective electronic components F-DUT transferred to the buffer tray 598 is one test tray (for example, 64), or the desired number (for example, nearly 64) in the entire test unit 520 connected in cascade.
- the empty tray is received from the loading / unloading unit 510 via the loader unit 524, and the defective electronic component F-DUT in the buffer tray 598 is transferred to the empty tray.
- the defective component mounting tray is transported to the subsequent process via the unloading position 526. If there is still an empty slot in the defective component mounting tray, the process proceeds in the same manner as described above while mounting the defective electronic component F-DUT determined to be defective by the test unit 520 in the subsequent process. And!
- the defective electronic component F-DUT mounted on the defective component mounting tray is discharged to the outside by the classification transfer unit 530 or the buffer unit 560 at the subsequent stage.
- defective electronic components F-DUTs that were determined to be defective in any test process along the way are sequentially rotated.
- unnecessary tests can be avoided for the test unit 520 in each step, and as a result, the number of simultaneous tests can be prevented from being reduced.
- the function of transferring the non-defective electronic component P-DUT to an empty pocket and the pocket corresponding to the defective socket are electronic so that the maximum number of simultaneous measurements can be achieved in the subsequent process.
- a function for excluding parts is provided. That is, first, when it is desired to temporarily transfer the non-defective electronic component P-DUT to the buffer tray 598, the test tray 4T discharged to the unloader section 52 is replaced with the device transfer unit 597 ⁇ — The desired number of good electronic parts P-DUT (for example, 64 pieces of one test tray) is transferred to the buffer tray 598. The test tray is transferred to a subsequent process as an empty tray.
- the device transfer unit 597 ⁇ -temporal is used so that the test in the next step becomes the maximum number of simultaneous measurements for the test tray 4T discharged to the unloader section 52.
- the good electronic component P-DUT in the buffer tray 598 is Transfer to pocket.
- an empty exclusion process is performed for the pocket corresponding to the defective socket.
- the material is transferred from the unloading position 526 to the next process via the unloader unit 52.
- the throughput of the device test can be improved. If the number of non-defective electronic components PDUT in the notch tray 598 is sufficiently larger than the number of test trays, for example, after receiving the empty tray from the loading / unloading unit 510, it is transferred to the next process. You may make it transfer to.
- the fourth transfer mode is a function of bypassing the test tray of the previous process. That is, the same function as the bypass unit 590 shown in FIG. 7 can be realized.
- the test tray 4T of the loader unit 524 is received and transferred to the unloader unit 52 without any processing. According to this, it is possible to form a bino path for supplying the test tray 4T in the loading / unloading unit 510 to the test unit 520b in the next process as it is. As a result, it is possible to simultaneously perform tests on the same test conditions (for example, a high temperature test) on a plurality of test tubes 520a and 520b.
- the device transfer unit 597 does not stop the bypass path, so that the temperature control unit 522 without stopping the system of the electronic component test apparatus 500 can be used. It is possible to stop the test unit 521 and the heat removal unit 523 at any time and perform regular maintenance work and repair work.
- the fifth transfer mode is a configuration example in which a test tray 4T (buffer test tray) is applied to the buffer tray 598 shown in FIG.
- a buffer test tray for storing defective electronic component F-DUTs and a tester tray for storing non-defective electronic component P-DUTs.
- a tray moving mechanism for moving the buffer test tray back and forth to a position without interfering with the movement path of the test tray 4T of the device transfer unit 597 is provided.
- the buffer test tray can be moved at any time as a normal test tray 4T. According to this, since the buffer test trays that are full or have reached the desired number can be transferred to the next process as they are, transfer processing can be reduced.
- the sixth transfer form may include a storage structure that can store a plurality of test trays, or a stocker structure that can store a large number of test trays.
- a test tray noffer function can be added, and temporary variations in processing capacity between the previous and next processes can be absorbed, resulting in a more flexible operation.
- FIG. 9 shows another embodiment of the present invention in which the buffer unit 560 is deleted from the configuration of FIG. 8 and is replaced with a direct connection type unloader unit 52b and a direct connection type loader unit 524b.
- This is a connection configuration in which the test unit 520a in the previous process and the test unit 520b in the next process are directly connected.
- the direct connection type unloader unit 52b and the direct connection type loader unit 524b have a replaceable module structure so that they can be connected to the test units 520a and 520b when necessary.
- the direct connection type unloader unit 52b directly connects the test tray 4T transferred to the transfer unit 597 so that the test can be performed with the maximum number of simultaneous measurements in the next process.
- the direct loader unit 524b receives the test tray 4T from the direct unloader unit 52b of the previous process and transfers it to the thermostatic chamber 522.
- the direct connection type header unit 524b transfers to the transfer unit 597 when the received test tray 4T is an empty tray and when the defective electronic component F-DUT is mounted. Therefore, according to the configuration example of FIG. 9, it is possible to configure the test unit 520a and 520b directly connected to each other, and even if the intermediate transfer unit 580 is deleted, the next process has the maximum number of simultaneous measurements. As a result of being able to conduct tests with And can save space.
- FIG. 10 shows an example of a system configuration when operating test trays 4Ta and 4Tb having two different structures.
- the first test tray 4Ta is applied to convey the electronic components
- the second test tray 4Tb is applied to convey the electronic components.
- FIG. 10 is an example in which only one test unit 520a is used in the previous process, and a configuration in which a plurality of force desired test units 520a are connected in series can also be realized.
- FIG. 10 can also be realized by a configuration in which a plurality of force-desired test units 520b are connected in series, which is an example in which only one test unit 520b is used in the subsequent process.
- the intermediate transfer unit 580b is applied in FIG.
- the intermediate transfer unit 580b transfers the electronic components between the test trays, and also transfers the first test tray 4Ta that has become an empty tray to the transfer-in / transfer unit 510 via the first external transfer device 571.
- the second test tray 4Tb which is an empty tray, is received from the classification transfer unit 530 via the second external transfer device 572. Therefore, according to the configuration example of FIG. 10, the system can be configured even with test trays 4Ta and 4Tb having different structures, and as a result, the system can be configured flexibly for different types of test systems. .
- the electronic component test apparatus 500 of the present embodiment it is possible to shorten the time required for transferring electronic components between the customer tray 4C and the test tray 4T, and in addition to the plurality of test queues 520. It is possible to respond flexibly according to processing capacity, test specifications, operation status due to maintenance and troubles, etc., which is particularly preferable when applied to mass production lines.
- tester T For example, as shown in FIG. 1, tester T, test unit 520, carry-in transfer unit 510, and classification transfer unit 530 are connected via a network communication network to obtain operation information of each device. It is also possible to select the test unit 520 to which the test tray 4 mm (electronic device under test) should be distributed according to the operating conditions.
- the loading / unloading unit 510 has the force described in the specific example of transferring from the customer tray 4C to the test tray 4 ⁇ .
- Other mounting devices other than the customer tray 4C for example, tests of different structures
- the classification transfer unit 530 the force described in the specific example of transferring from the test tray 4 mm to the customer tray 4C.
- other mounting apparatuses used in the previous process for example, test trays having different structures, test trays having the same structure, and other mounting apparatuses can be similarly implemented.
- the system may be configured by applying a non-classified transfer unit that transfers the data from the test tray 4T to the customer tray 4C as it is.
- a unit meaning both the classification transfer unit 530 and the non-classification transfer unit is referred to as a carry-out transfer unit.
- the transfer / transfer unit may be a transfer unit in which the test tray 4T is transferred to the outside as it is.
- FIG. 11 shows another example of the configuration of the test tray transfer device 550.
- a self-propelled cart 551 for example, a monorail self-propelled cart, a track-type cart, or a trackless cart (AGV)
- a self-propelled carriage 551 is applied to the test tray transfer device 550 in this configuration example.
- One or a plurality of self-propelled carriages 551 are provided, and transfer and transfer test trays between each test unit 520, loading / unloading unit 510, classification transfer unit 530, and buffer unit 560.
- the self-propelled carriage 551 is appropriately transport-controlled based on a transport system management unit 900 that controls transport of the entire system.
- the transport system management unit 900 is connected to each device via a network, and sends and receives at least a control signal related to carry-in Z carry-out, so that the self-propelled carriage 551 is integrated. Perform management.
- the transfer system management unit 900 stores judgment result information (e.g., pass / fail judgment information and classification information (operation speed, etc.)) of electronic parts placed on all test trays 4T and test progress information for each process. It is desirable to manage the transfer of all electronic components in response to the equipment.
- the self-propelled carriage 551 is provided with a tray accommodating portion 552 that holds or accommodates at least one test tray 4T.
- Test tray 4T delivered and received by self-propelled carriage 551 is untested test tray Z test tray discharged from each process tested test tray Z test test completed state of all process test Z defective test tray Z empty There are test trays and other test trays.
- the loader section 524 of each test unit 520 has a structure for transferring the test tray 4T to and from the self-propelled carriage 551. Unload the test tray.
- the unloader section 52 of each test unit 520 is connected to the self-propelled carriage 551.
- the test tray 4T is equipped with a structure for receiving and receiving the test tray, and when the tested test tray is taken out, it receives an empty test tray.
- the carry-in transfer unit 510 and the classification transfer unit 530 may be realized in an integrated configuration.
- the electronic component tested by this electronic component testing apparatus when used in another system, if it can be supplied in the state of the test tray, it can be realized by a configuration in which the classification transfer unit 530 is omitted. In addition, when the other system card can receive the supply in the state of the test tray, it can be realized by removing the loading / unloading unit 510.
- a buffer unit 560 shown in FIG. 11 has a structure for exchanging test trays 4 with the self-propelled carriage 551, and temporarily stores test trays in each state. For example, at the stage where test tray loading in the next process test 520 is not yet required, the test tray unloaded from the previous process test unit 520 is temporarily stored in the buffer unit 560. Then, when the test unit 520 of the next process can be loaded, the test tray that has been temporarily stored is loaded.
- the empty test tray that has been empty is received and temporarily stored, and the unloader unit 52 of the test unit 520 or the carry-in transfer unit 510 at the required stage is stored. Supply.
- the nother unit 560 may have a transfer function for transferring electronic components between a plurality of test trays. By providing the transfer function described above, the number of parts that can be measured simultaneously in the next process is maximized by transferring the electronic parts determined to be defective in the previous process to the electronic parts determined to be non-defective in other test trays. In this way, electronic components can be rearranged, and throughput can be improved.
- the electronic components determined to be defective in each process can be transferred to an empty test tray and assembled, and then loaded into the classification transfer unit 530.
- the function of the buffer unit 560 may be incorporated in one or both of the loading / unloading unit 510 and the classification / transfer unit 530.
- the carry-in transfer unit 510, the classification transfer unit 530, and the buffer unit 560 may be realized in an integrated configuration. Therefore, according to the configuration example of FIG. 11, it is possible to form a parallel operation configuration in which a plurality of test units are tested under the same test conditions. It is also possible to form a series operation configuration in which different test conditions are executed in a plurality of test units.
- test unit groups with test conditions that are waiting for electronic parts to be brought in are rearranged to further increase the number of units, and conversely, test unit groups with test conditions that do not have to wait for electronic parts to be carried in and have sufficient throughput. Can be reorganized to reduce the number.
- test units that require repairs and maintenance can be temporarily removed from the transport path force, improving the operating rate without stopping the entire system operation.
- test units installed can be increased or decreased at any time, additional test units can be introduced at any time.
- placement positions between the test units are free, there is no physical constraint on the installation floor, so the system can be flexibly organized within the range where the self-propelled carriage 551 can move. .
- FIGS. 12 to 20 are views showing a second embodiment of the electronic device testing apparatus according to the present invention.
- the handling module A in which only the loader unit 21 and the unloader unit 22 are modularized, and as shown in FIG. 13, the loader unit 21, the unloader unit 22 and the stocker unit 24 are modularized.
- the test module 1 is configured to be replaceable and the test unit 1 is applied to the system of the electronic component test apparatus 500 according to the first embodiment described above, the handling module A is used as shown in FIG.
- handling module B is used as shown in FIG.
- the mass production test system shown in Figs. It can also be applied as a single electronic component testing apparatus.
- the electronic device under test appropriately operates in a state where a desired high temperature or low temperature stress is applied to the electronic device under test or at a normal temperature where no temperature stress is applied.
- This is a device that classifies the electronic components under test according to the test results according to the non-defective products, Z-defective products, and Z categories.
- a handler that classifies the electronic components under test according to the test results and stores them in a predetermined tray, and a tester that sends a predetermined test pattern and tests and evaluates the electronic components under test based on the response signals (not shown)
- test head 3 see Fig. 18 which has a contact terminal and functions as an interface between the nodola and the tester.
- the tester and test head 3, and the handler and tester are electrically connected via signal lines such as a cable.
- the contact terminals include a contact terminal that contacts the drive terminal of the electronic device under test and a contact terminal that contacts the input / output terminal of the electronic device under test. These are also collectively referred to as contact terminals.
- the contact terminal inputs and outputs various signals from the tester via a socket and a wiring board provided in the test head.
- the handler of this embodiment is composed of the test module 1 shown in FIG. 14 and the handling module 2 shown in FIGS. 15 and 16.
- the test module 1 brings the electronic device under test brought in from the handling module 2 to the target temperature, and outputs the test pattern and the response pattern to the test head contact portion of the test head. It is in electrical contact.
- the test module 1 of the present example is a soak unit (constant temperature unit) that raises or lowers the electronic component under test carried in from the handling module 2 to a target temperature. And a test unit (test unit) 12 for electrically contacting the electronic device under test to the contact part while maintaining the temperature, and an IDA that temporarily holds the electronic device under test for which the test unit 12 has been tested. Jit unit (heat removal part) 13 and each unit is detachable. That is, each of the test module 1
- the frames constituting the skeletons of the units 12, 13 and 14 are fixed, and can be attached to and detached from each other via this frame.
- the test tray 4T shown in FIG. 18 is used to circulate the electronic components under test in the test module 1, and this test tray 4T is indicated by an arrow in the figure by a conveyor outside the figure. In this way, it circulates in the test module 1 and the nodling module 2. Then, in the loader unit 21, which will be described later, the electronic components to be tested mounted on the customer tray (C-Tray) 4C are transferred to the test tray 4T, and this test tray 4T is transferred to the soak unit 11 ⁇ test unit 12 ⁇ exit unit. 13 ⁇ Test the electronic device under test while working with the unloader unit 22.
- the test module 1 of this example has two types, 256 types and 128 types, in which the number of simultaneous measurements in the test unit 12 is prepared, and the test temperature is -40 ° C to There are two types, a type that can be used in the range of 135 ° C and a type that can be used in the range of room temperature to 135 ° C. There are four types of test modules.
- the number of simultaneous measurements is 256 and the test temperature is -40 ° C to 135 ° C type 1A
- the number of simultaneous measurements is 256 and the test temperature is room temperature to 135 ° C type 1B
- Type 1D with 128 measurements and a test temperature of room temperature to 135 ° C.
- the difference between the number of simultaneous measurements of 256 and 128 is that the number of pushers that press the electronic device under test against the contact part in the test unit 12 is set to 256, with the force set to 256.
- the shapes of the frames constituting the skeleton of the test unit 12 described above are all the same (standard).
- the layout shown at the top of Fig. 19 is an array of 256 pushers for simultaneous measurement, and the layout shown at the bottom of the figure is an array of 128 pushers for simultaneous measurement.
- the difference between the test temperature range of 40 ° C to 135 ° C and the room temperature to 135 ° C type is whether the electronic device under test can be cooled to an extremely low temperature of about 40 ° C.
- the soak unit 11 is provided with a cooling device capable of cooling the electronic device under test to 40 ° C, and the duct unit 13 is connected to the electronic device under test cooled to such a low temperature.
- An anti-condensation device is provided to prevent dew formation.
- a heating device for heating the electronic device under test from room temperature to 135 ° C is provided.
- test module 1 is provided only with a heating device for heating the electronic device under test from room temperature to 135 ° C.
- a cooling device that cools to an extremely low temperature
- a soak unit 11 is constituted by a chamber, and a cooling gas such as a nitrogen gas is allowed to flow through the chamber.
- An example of the dew condensation prevention device is a device that heats an electronic device under test maintained at a low temperature to near room temperature.
- the frames constituting the skeletons of the soak unit 11 and the Idagit unit 13 are all the same shape (standard), and any type of unit can be attached to and detached from the adjacent unit. Yes.
- an entrance opening 111 is formed on the front side of the soak unit 11 (the surface on which the handling module 2 described later is assembled) into which a test tray loaded with a large number of electronic devices to be tested is carried. ing.
- an exit opening 131 is formed on the front side of the ididit unit 13 for carrying out the test train that has finished the test with the test unit 12 and arrived at the iditit unit 13 to the nodling module 2.
- the positions and shapes (sizes) of the inlet opening 111 and the outlet opening 131 are fixed, and any type of soak unit 11 and duct unit 13 have the same position and the same shape.
- the loader unit 21 of the handling module 2 is formed with an outlet opening 211 having the same position and shape as shown in FIG.
- a breaker unit 14 relating to the power source used in the test module 1 a terminal power source unit and a control unit 15 are provided.
- a mechanical interface 16 of an air pipe constituting an operation circuit such as various fluid pressure cylinders, a power connector 17, and a module
- a software interface 18 is used to communicate ID data and temperature control data for recognizing units and units, and an electrical interface 19 such as an electric motor or sensor is provided.
- the elements may be provided for each module.
- the software for controlling the operation of each module can apply the software corresponding to each ID data by reading each ID data for recognizing each module.
- the mechanical interface 16, the power connector 17, the software interface 18 and the electrical interface 19 are respectively connected to the mechanical interface 26 and the power connector 27 shown in Fig. 16 when the test module 1 and the handling module 2 are assembled.
- the position and shape can be connected in correspondence with the software interface 28 and the electrical interface 29.
- FIG. 15 and 16 show the handling module 2 according to the present embodiment, FIG. 15 is a front view when assembled as a handler, and FIG. 16 is a rear view thereof, which is the same as the test module 1 described above. It is a figure which shows an assembly
- the handling module 2 stores the electronic components to be tested before and after the test, takes out the stored electronic components to be tested, carries them out to the test module 1, and tests the electronic components to be tested that have been tested in the test module 1. Classify according to the results.
- the handling module 2 of this example includes a stock force unit 24 that stores electronic components to be tested before and after the test, and an electronic component to be tested that is stored in the stocker unit 24.
- Loader unit 21 that takes out
- the unloader unit 22 classifies the electronic devices under test that have been tested in the test 1 according to the test results, and the units 21, 22, and 24 are detachable. That is, the frame constituting the skeleton of each of the units 21, 22, and 24 constituting the handling module 2 is a standard shape, and is detachable from each other via this frame.
- the handling module 2 of this example is prepared in two types, as shown in FIG. 20, type 2A with a maximum throughput power of 1000 pieces Z time and type 2B with 6000 pieces Z time.
- the difference between these two types is the operating speed of the XYZ axis transport device (so-called pick and brace transport device) of the electronic devices under test provided in the loader unit 21 and the unloader unit 22, respectively, and at the same time.
- the number of electronic components that can be tested When the maximum throughput is as large as 11,000 pieces Z time, the operating speed of the XYZ axis transfer device is faster, and the number of electronic components under test that can be gripped at a time is larger. With the difference in the specifications, the price of the equipment will vary greatly.
- the stocker unit 24 includes, as shown in FIG. 18, a stocker unit 24A for stacking and storing customer trays 4 on which a plurality of electronic devices to be tested are mounted, and a plurality of electronic devices to be tested after the test is completed. And a stocker unit 24B for storing and storing customer trays 4C classified according to the test results. Then, using the tray transport device 24C, the customer tray 4C is sequentially carried out from the stocker unit 24A in which the electronic components to be tested are stored to the loader unit 21, and the electronic components to be tested mounted on the customer tray 4C are described above. The loader unit 21 is transferred to the test tray 3 using the XYZ-axis transport device.
- an opening for delivering the customer tray 4C is provided between the stocker unit 24 and the loader unit 21.
- the electronic device under test is transferred from the test tray 3 on which the electronic device under test after the test is mounted using the XYZ transport device to the customer tray 4C according to the test result, and this customer tray 4C is transferred to the tray. Transport to stocker unit 24B of stocker unit 24 using device 24C. For this reason, an opening is provided between the stocker unit 24 and the unloader unit 22 for delivering the force stapler tray 4C.
- Stocker unit 24 may need to be replaced with a different stocker depending on the type and shape of customer tray 4C. In this case, since it is possible to replace the corresponding stocker unit 24 in this application, the electronic component testing apparatus can be further generalized.
- a main power supply 25 and a control unit 30 used in the handling module 2 are provided at the lower part of the frame of the handling module 2.
- a desired type is selected from the two types of handling modules 2 and the four types of test modules 1 shown in FIG. Combine this.
- the handling module 2 has a maximum throughput force S 11000 pieces Z time type 2A and 6000 pieces Z time type 2B. Select the specifications required for the line. However, note that the maximum throughput may or may not be achieved depending on the test time of the electronic device under test.
- Fig. 20 is a graph plotting throughput on the vertical axis and test time on the horizontal axis for the handler of this example.
- X in the figure is handling with a maximum throughput of 11000 pieces Z time. Shows the throughput when module 2A is organized.
- test time is A time between A 'and B
- this difference in the put compensates for the cost difference. If there is a surplus, it is appropriate to use the handling module 2A. If not, it is also appropriate to use the handling module 2B in terms of cost. From this point of view, handling Module 2A, 2B is selected.
- modules having different performances can be combined.
- the system configuration can be reconfigured to be optimal for the device.
- a great advantage can be obtained. Therefore, there is a great advantage that the electronic component testing apparatus can be flexibly and effectively used.
- the relevant modules need to be developed and manufactured, and others can be shared.
- a parts testing device can be realized.
- the cost of the device system can be reduced.
- it is possible to test the electronic component under test by temporarily replacing it with a replacement module of the same or different performance during the suspension period when repairing or maintaining the failed module. As a result of significantly shortening the system suspension period, the operating time can be substantially improved.
- the test module 1 has four types 1A to 1D shown in the figure. Select the specifications required for the line in consideration of the number of simultaneous measurements and the test temperature. For example, if a cryogenic test such as a test temperature of -40 ° C is required, select type 1A or 1C.
- a combination example is shown at the right end of FIG.
- the upper diagram at the right end of the figure is composed of a handling module 2A with a maximum throughput of 11000 pieces Z time and a test module 1A with 256 simultaneous measurements and a test temperature of -40 ° C to 135 ° C.
- the figure below shows a handling module 2B with a maximum throughput of 6000 Z-hours and a test module 1D with 128 simultaneous measurements and a test temperature of room temperature to 135 ° C.
- the former test apparatus has a wide test range and good test efficiency, but has the disadvantage that the cost is high, and the latter test apparatus is the opposite. Therefore, it is important to balance performance and cost according to the test specifications required by the semiconductor manufacturing line.
- the electronic device test apparatus of this embodiment can be configured with a certain combination once. Then configure this test module 1 and handling module 2 Can be reorganized. At that time, the power of the units constituting each module 1 and 2 is exchanged.
- test module 1 and handling module 2 and test module 1 includes soak unit 11, test unit 12, exit unit 1 3, and handling module 2 includes a stock force unit.
- loader unit 21 and unloader unit 22 are configured to be separable and connectable to each other, and can be knitted together.
- the suction head of the XYZ transport device and the pusher for the contact part are further modularized. You can also.
- the transfer medium received by the carry-in transfer unit 510 from the previous process and the transfer medium carried out by the classification transfer unit 530 to the subsequent process are the test tray 4T and the transfer medium.
- it may be realized by other applicable transfer media (magazine, wafer ring, etc.) if desired.
- the test tray 4T may include a storage medium that holds information on electronic components to be mounted, pass / fail judgment information in each step, classification information, and the like.
- a storage medium for example, there is a wireless IC tag that can exchange information wirelessly.
- the loading / unloading unit 510 and the sorting / transferring unit 530 may be a loading / unloading / transferring unit in which both are integrated as desired. In this case, an empty tray that has become empty on the carry-in side can be supplied to the carry-out side.
- the loader unit 524 and the loading / unloading transfer unit 510 may be integrated into a loading / unloading unit. In this case, since the transport mechanism can be shared, it can be configured at a lower cost. Similarly, an unloader carry-out unit in which the unloader unit 525 and the classification transfer unit 530 are integrated may be used. Also in this case, since the transport mechanism can be shared, it can be configured at a lower cost.
- a loading / unloading loader unit in which both are integrated may be used if desired.
- the transport mechanism can be shared by switching between carry-in and carry-out operations, it can be configured at a lower cost.
- the notch unit 560 may be provided so as to be incorporated in the loading / unloading unit 510, the classification transfer unit 530, or the transfer unit 540 as desired. In this case, it can be buffered in the carry-in route or buffered in the carry-out route according to the throughput of the test unit.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Testing Of Individual Semiconductor Devices (AREA)
- Tests Of Electronic Circuits (AREA)
Abstract
Description
Claims
Priority Applications (3)
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JP2006529320A JP4549348B2 (ja) | 2004-07-23 | 2005-07-25 | 電子部品試験装置 |
US11/571,428 US7612575B2 (en) | 2004-07-23 | 2005-07-25 | Electronic device test apparatus for successively testing electronic devices |
US12/566,265 US7800393B2 (en) | 2004-07-23 | 2009-09-24 | Electronic device test apparatus for successively testing electronic devices |
Applications Claiming Priority (2)
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JP2004-215802 | 2004-07-23 | ||
JP2004215802 | 2004-07-23 |
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US11/571,428 A-371-Of-International US7612575B2 (en) | 2004-07-23 | 2005-07-25 | Electronic device test apparatus for successively testing electronic devices |
US12/566,265 Continuation US7800393B2 (en) | 2004-07-23 | 2009-09-24 | Electronic device test apparatus for successively testing electronic devices |
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WO2006009282A1 true WO2006009282A1 (ja) | 2006-01-26 |
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PCT/JP2005/013493 WO2006009253A1 (ja) | 2004-07-23 | 2005-07-22 | 電子部品試験装置及び電子部品試験装置の編成方法 |
PCT/JP2005/013590 WO2006009282A1 (ja) | 2004-07-23 | 2005-07-25 | 電子部品試験装置 |
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US (3) | US7919974B2 (ja) |
JP (3) | JP4537400B2 (ja) |
KR (2) | KR101009966B1 (ja) |
CN (3) | CN1989416A (ja) |
DE (1) | DE112005001751T5 (ja) |
MY (1) | MY140086A (ja) |
TW (1) | TWI287099B (ja) |
WO (2) | WO2006009253A1 (ja) |
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JP2013137284A (ja) * | 2011-12-28 | 2013-07-11 | Advantest Corp | 電子部品移載装置、電子部品ハンドリング装置、及び電子部品試験装置 |
US9340361B2 (en) | 2011-12-28 | 2016-05-17 | Advantest Corporation | Electronic device transfer apparatus, electronic device handling apparatus, and electronic device testing apparatus |
US9586760B2 (en) | 2011-12-28 | 2017-03-07 | Advantest Corporation | Electronic component transfer shuttle |
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JP7561534B2 (ja) | 2020-07-21 | 2024-10-04 | 株式会社アドバンテスト | 電子部品ハンドリング装置及び電子部品試験装置 |
Also Published As
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US20080038098A1 (en) | 2008-02-14 |
MY140086A (en) | 2009-11-30 |
TWI287099B (en) | 2007-09-21 |
JPWO2006009253A1 (ja) | 2008-05-01 |
CN1989415A (zh) | 2007-06-27 |
US7612575B2 (en) | 2009-11-03 |
CN1989416A (zh) | 2007-06-27 |
JP4549348B2 (ja) | 2010-09-22 |
CN100590443C (zh) | 2010-02-17 |
US20080042667A1 (en) | 2008-02-21 |
WO2006009253A1 (ja) | 2006-01-26 |
JP2010156709A (ja) | 2010-07-15 |
KR101009966B1 (ko) | 2011-01-20 |
KR100910355B1 (ko) | 2009-08-04 |
KR20080083069A (ko) | 2008-09-12 |
JP4537400B2 (ja) | 2010-09-01 |
KR20070062501A (ko) | 2007-06-15 |
US7800393B2 (en) | 2010-09-21 |
CN101819238A (zh) | 2010-09-01 |
DE112005001751T5 (de) | 2007-05-10 |
US20100148793A1 (en) | 2010-06-17 |
TW200615556A (en) | 2006-05-16 |
US7919974B2 (en) | 2011-04-05 |
JPWO2006009282A1 (ja) | 2008-05-01 |
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