TWM641395U - Calibration system and its calibration load board - Google Patents

Abstract

A calibration load board includes a substrate, a circuit layout pattern and at least one adapter board. The circuit layout pattern located on the substrate, includes a first common circuit group, a second common circuit group, a first relay line and a second relay line. The first common circuit group is electrically connected to the calibration instrument outside the calibration load board and the first relay line, the second common circuit group is electrically connected to the calibration instrument and the second relay line, and the adapter board is replaceably located on one surface of the substrate, and is electrically connected to the first relay line and the second relay line.

Description

Calibration system and its calibration carrier

The invention relates to a calibration system, especially a calibration system on semiconductor measuring equipment and its calibration carrier board.

Generally speaking, the general-purpose slots on semiconductor measurement equipment can be matched with corresponding functional boards (such as digital and power supply) according to the different DUTs (such as IC chips) to provide measurement of specific items. Before the measurement stage starts, the functional board needs to be equipped with a calibration carrier board, so that the external calibration instrument can automatically calibrate and verify the functional board.

Before starting the calibration procedure of the function board, it is often necessary to replace the matching calibration carrier board due to the different types of the function board, or, although the type is similar, there is no need to replace the calibration carrier board, but because the calibration carrier board is different from the function board The docking pins are different, and the relay path needs to be modified on the original calibration carrier board to achieve the connection between the functional board and the calibration carrier board. However, whether it is the above-mentioned countermeasures of replacing or modifying the carrier board, it will lead to the increase of material and storage costs and the increase of the design complexity of the carrier board, thereby bringing labor and cost burdens to the industry.

This creation proposes a calibration system and its calibration carrier board to solve the problems of the prior art.

According to an embodiment of the invention, the invention provides a calibration system including a first calibration instrument, a second calibration instrument, a calibration carrier plate and a measuring device. The calibration carrier includes a substrate, a circuit layout pattern and at least one adapter board. The circuit layout pattern is located on the substrate and includes a first shared circuit group, a second shared circuit group, a first trunk line and a second trunk line. The first shared circuit group is electrically connected to the first calibration instrument and the first trunk line, the second shared circuit group is electrically connected to the second calibration instrument and the second trunk line, the adapter board is replaceably located on one side of the substrate, and is electrically connected to the first A trunk line and a second trunk line. The measurement equipment includes a plurality of function boards. One of the functional boards is electrically connected to the adapter board, and is electrically connected to one of the first calibration instrument and the second calibration instrument through the adapter board.

According to one or more embodiments of the present invention, in the above-mentioned calibration system, an electronic unit is arranged on the adapter board, and the type data of the adapter board is provided in the electronic unit. The measurement equipment further includes a processor unit and a database unit. The database unit has board information, and the board information includes the types of these functional boards. The processor unit is electrically connected to the database unit, and according to the switching The type information of the board and the type of the function board are used to determine whether the adapter board is compatible with the function board. When the processor unit judges that the adapter board is not compatible with the functional board, the processor unit suspends the calibration of the functional board and issues a difference alarm.

According to one or more embodiments of the invention, in the above-mentioned calibration system Among them, the measurement equipment further includes an internal calibration module. The calibration carrier board further includes a jumper circuit and a switching circuit. The circuit layout pattern is electrically connected to the internal calibration module through the jumper line, and the switching circuit is located on the jumper line to connect and cut off the conduction path between the function board and the internal calibration module.

According to one or more embodiments of the present invention, the above-mentioned calibration system further includes a first connection interface and a second connection interface, and the adapter board is connected to the calibration carrier board through the first connection interface and the second connection interface. The calibration carrier includes a plurality of conductive parts and a trace, and the conductive parts are connected to the first connection interface through the trace.

According to one or more embodiments of the present invention, the above calibration system further includes an interposer. The adapter board and the calibration carrier board are electrically connected to each other through the intermediate sheet. The calibration carrier includes a plurality of conductive parts. These conductive parts are located on the substrate, including a first conductive part and a second conductive part. The first conductive part is connected to the adapter board through the interposer, and the second conductive part is connected to the adapter board through the interposer. . The distribution positions of the conductive parts of the adapter board correspond to the distribution positions of the conductive parts of the calibration carrier board.

According to one or more embodiments of the present invention, in the above-mentioned calibration system, one of the function boards is a digital logic timing measurement card, a general power level measurement card, a higher voltage level measurement card and a higher current One of the level measuring cards.

According to one or more embodiments of the present invention, in the above calibration system, the first calibration instrument is an electrical measuring instrument, and the second calibration instrument is a timing measuring instrument.

According to an embodiment of the present invention, the present invention provides a calibration carrier plate. The calibration carrier board is respectively connected with a calibration instrument and a functional board of a measurement device. The calibration carrier includes a substrate, a circuit layout pattern and at least one adapter board. The circuit layout pattern is located on the substrate, including a first shared circuit group, a second shared circuit group, a first trunk line and a second trunk line, the first shared circuit group is electrically connected to the calibration instrument and the first trunk line, and the second The shared circuit group is electrically connected to the calibration instrument and the second trunk line. The adapter board is replaceably located on one side of the substrate, and is electrically connected to the first trunk line and the second trunk line.

According to one or more embodiments of the present invention, in the above-mentioned calibration carrier board, the adapter board has an electronic unit, and the type data of the adapter board is provided in the electronic unit.

According to one or more embodiments of the present invention, the above-mentioned calibration carrier board further includes a jumper circuit and a switching circuit, and the circuit layout pattern is electrically connected to an internal calibration module of the measurement device through the jumper circuit. The switching circuit is located on the jumper line, and is used to connect and cut off the conduction path between the function board and the internal calibration module.

According to one or more embodiments of the present invention, the above-mentioned calibration carrier board further includes a first connection interface, a second connection interface, a trace and a plurality of conductive parts, and the adapter board is connected to the second connection through the first connection interface. The interface is connected to the substrate. A part of the conductive parts is connected to the first connection interface through wires.

According to one or more embodiments of the present invention, the above-mentioned calibration carrier further includes an interposer, a plurality of first conductive parts, and a plurality of second conductive parts. The adapter board and the calibration carrier board are electrically connected to each other through the intermediate sheet. The calibration carrier includes a plurality of conductive parts. The conductive part includes a first conductive part and a second conductive part. The first conductive part is connected to the adapter board through the interposer, and the second conductive part is connected to the adapter board through the interposer. The interposer is connected to the adapter board. The distribution positions of the conductive parts of the adapter board correspond to the distribution positions of the conductive parts of the calibration carrier board.

In this way, through the structures described in the above embodiments, the calibration system does not need to replace the entire calibration carrier, but only needs to replace the adapter board at a local position on the calibration carrier, which not only reduces the use of relay paths, but also helps reduce material and The cost of storage will not increase the complexity of the design of the carrier board, thereby reducing the manpower and cost burden of the industry.

The above description is only used to explain the problem to be solved by this creation, the technical means to solve the problem, and its effects, etc. The specific details of this creation will be introduced in detail in the following implementation methods and related drawings.

10, 11: Calibration system

100: Measuring equipment

110: slot

120: Function board

120A: The first function board

120B: Second function board

130: processor unit

140: Database unit

200, 201, 202, 203: Calibration carrier board

210: Substrate

211: top surface

220: Circuit layout patterns

221: The first shared circuit group

222: The second shared circuit group

223: The first trunk line

224: Second trunk line

230: Installation interface area

240: conductive part

250: conductive part

260: Routing

291: jumper line

292: Switching circuit

300: Adapter board

300A: the first adapter board

300B: Second adapter board

320: electronic unit

400: The first calibration instrument

500: second calibration instrument

600: Internal Calibration Module

A1: The first connection interface

A2: Second connection interface

I: Intermediary film

P: connecting terminal

S: signal

In order to make the above and other purposes, features, advantages and embodiments of this creation more obvious and easy to understand, the accompanying drawings are explained as follows: Fig. 1 is a simple block diagram of a calibration system of an embodiment of this creation; Fig. 2 It is a schematic diagram of the calibration carrier board in Figure 1; Figure 3 is a schematic diagram of the path of the calibration carrier board in Figure 1; Figure 4A is the first connection between the adapter board and the calibration carrier board in an embodiment of this invention Figure 4B is a side view of the first connection between the adapter board and the calibration carrier in Figure 4A; Figure 5A is the second connection between the adapter board and the calibration carrier in an embodiment of this invention A top view of the connection state; Figure 5B is a side view of the first connection between the adapter board and the calibration carrier board in Figure 5A; Figure 6 is a schematic diagram of the path of the calibration carrier board in an embodiment of this creation; and Figure 7 is this creation A simple block diagram of a measurement device of an embodiment.

The following will disclose multiple implementations of this creation with diagrams. For the sake of clarity, many practical details will be described together in the following description. However, those skilled in the art should understand that in some implementations of the present invention, these practical details are not necessary, and thus should not be used to limit the present invention. In addition, for the sake of simplifying the drawings, some well-known structures and components will be shown in a simple and schematic manner in the drawings. In addition, for the convenience of readers, the size of each element in the drawings is not drawn according to actual scale.

FIG. 1 is a simple block diagram of a calibration system 10 according to an embodiment of the invention. FIG. 2 is a schematic diagram of the calibration carrier 200 in FIG. 1 . As shown in FIG. 1 and FIG. 2 , the calibration system 10 includes a measuring device 100 , a calibration carrier 200 and a plurality of calibration instruments (such as a first calibration instrument 400 and a second calibration instrument 500 ). The calibration carrier 200 includes a substrate 210 , a circuit layout pattern 220 , a plurality of mounting interface areas 230 and a plurality of adapter plates 300 . The circuit layout pattern 220 is located on the substrate 210 (for example, inside or on the top surface of the substrate 210), and these mounting interface areas 230 are respectively located on the top surface 211 of the substrate 210, and each adapter board 300 is replaceably located on the top surface 211 of the substrate 210, And it is located in one of the installation interface areas 230 . In this example, The first calibration instrument 400 is a multimeter, and the second calibration instrument 500 is an oscilloscope, however, the invention is not limited thereto.

The measurement device 100 includes a plurality of slots 110 . Each slot 110 removably accommodates a function board 120 . These function boards 120 have different function types, and can be matched with corresponding function boards 120 according to the different DUTs (such as IC chips) of the measuring device 100 to provide measurement of specific items. For example, these function boards 120 are respectively a digital logic timing measurement card, a power level measurement card, a high voltage level measurement card and a high current level measurement card. Among them, the general power level measurement card, the higher voltage level measurement card and the higher current level measurement card belong to the power supply type (hereinafter referred to as the first type), and the digital logic timing measurement card belongs to the digital type (hereinafter referred to as the first type). second type).

FIG. 3 is a schematic diagram of the path of the calibration carrier 200 in FIG. 1 . More specifically, as shown in FIGS. 1 and 3, the circuit layout pattern 220 includes a first shared circuit group 221, a second shared circuit group 222, a first trunk line 223, and a second trunk line 224 (Fig. 3). . The first shared circuit group 221 is electrically connected to the first calibration instrument 400 and the first trunk line 223 , and the second shared circuit group 222 is electrically connected to the second calibration instrument 500 and the second trunk line 224 . The first shared circuit group 221 and the second shared circuit group 222 respectively represent a collection of many circuit traces or circuit loads (not shown in the figure). Both the function board 120 belonging to the first type (hereinafter referred to as the first function board 120A) and the function board 120 belonging to the second type (hereinafter referred to as the second function board 120B) need to cooperate with a compatible adapter board 300, and respectively compatible with the first function board 120A and the second function board 120B adapter board 300 (hereinafter referred to as the first The adapter plate 300A and the second adapter plate 300B) also belong to the first type or the second type.

When the first functional board 120A is inserted into the slot 110 and electrically connected to the first adapter board 300A (see the first adapter board 300A on the left in FIG. 3 ), due to the preset pin position of the first functional board 120A Configuration, the first functional board 120A passing through the first adapter board 300A is only electrically connected to the first common circuit group 221 through the first relay line 223 (indicated by a solid line), thereby electrically connecting to the first calibration instrument 400 . The first functional board 120A is not electrically connected to the second trunk line 224 (indicated by a dotted line), so the first functional board 120A is not electrically connected to the second shared circuit group 222 via the second trunk line 224 .

On the contrary, if the second function board 120B is inserted into the slot 110 instead, and the first adapter board 300A is replaced with the second adapter board 300B to electrically connect the second function board 120B (see the middle part of Fig. 3 ). The second adapter board 300B), due to the default pin configuration of the second function board 120B, the second function board 120B passing through the second adapter board 300B will only be electrically connected through the second trunk line 224 (shown by a dotted line) The second common circuit group 222 is electrically connected to the second calibration instrument 500 . The second function board 120B is not electrically connected to the first trunk line 223 , so the second function board 120B is not electrically connected to the first shared circuit group 221 via the first trunk line 223 (shown by a solid line).

Next, the connection manner between the adapter board 300 and the calibration carrier boards 201 and 202 will be further described. Please refer to Figures 4A to 5B. Figure 4A is a top view of the first connection state between the adapter board 300 and the calibration carrier 201 according to an embodiment of the invention, and Figure 4B is the adapter board in Figure 4A. The side view of the first connection mode between 300 and the calibration carrier 201, Figure 5A is a top view of the second connection mode between the adapter board 300 and the calibration carrier 202 according to an embodiment of the invention, Figure 5B is FIG. 5A is a side view of the second connection mode between the adapter board 300 and the calibration carrier board 202 .

As shown in FIG. 4A and FIG. 4B , the adapter board 300 is connected to the calibration carrier 201 through the first connection interface A1 (such as an electrical connector) and the second connection interface A2 (such as an electrical connector). The calibration carrier 201 further includes a plurality of conductive parts 240 (two are taken as an example in FIG. 4A ). These conductive parts 240 are distributed on the substrate of the calibration carrier 201, and one side of each conductive part 240 is connected through a wire 260. The other side of the first connection interface A1 is connected to the function board 120 through a connection terminal P (such as a pogo pin). In this embodiment, each conductive portion 240 includes two pads and vias. The welding pads are respectively located on two opposite surfaces of the substrate, and the conduction hole is located in the substrate and connects the two welding pads.

When there is a signal transmission between the function board 120 and the first calibration instrument 400, take the signal S transmitted from the function board 120 to the first calibration instrument 400 as shown in FIG. Starting from the card 120, it passes through the connection terminal P, the conductive part 240, the wiring 260 of the calibration carrier board 201, the first connection interface A1, the adapter board 300, the second connection interface A2, and the wiring of the calibration carrier board 201 in sequence (Fig. not shown), and finally reaches the first calibration instrument 400. Conversely, the signal sent from the first calibration instrument 400 can also reach the function board 120 in the reverse order of the above.

As shown in FIG. 5A and FIG. 5B, due to the distribution position of the conductive part (not shown) of the adapter board 300 and the conductive part of the calibration carrier 202 (Fig. (not shown) correspond to each other (for example, overlap each other), so the interposer 300 and the calibration carrier 202 can be electrically connected to each other through the interposer I (interposer). Multiple connection pins on the face. The upper connecting pins are respectively connected to the conductive parts (not shown) of the adapter board 300 , and the lower connecting pins are respectively connected to the conductive parts (not shown) of the calibration carrier board 202 . Specifically, the calibration carrier 202 further includes a plurality of conductive parts 240 (that is, first conductive parts, two of which are taken as an example in FIG. The figure uses two as an example). These conductive parts 240, 250 are distributed on the calibration carrier board 201, wherein one side of each conductive part 240 is connected to the adapter board 300 through a part of the interposer I, and the other side is connected to the function board 120 through the connection terminal P; and One side of each conductive portion 250 is connected to the adapter plate 300 through a part of the interposer 1 .

When there is signal transmission between the function board 120 and the first calibration instrument 400, take the signal S transmitted from the function board 120 to the first calibration instrument 400 as shown in Figure 5B as an example, the signal S is transmitted from the function board The card 120 starts from the connecting terminal P, the conductive part 240 , the interposer I, the conductive part 250 , and the alignment of the calibration carrier 202 (not shown), and finally reaches the first calibration instrument 400 . Conversely, the signal sent from the first calibration instrument 400 can also reach the function board 120 in the reverse order of the above.

FIG. 6 is a schematic diagram of the path of the calibration carrier 203 according to an embodiment of the present invention. As shown in FIG. 1 and FIG. 6, the calibration system 11 of this embodiment is substantially the same as the calibration system 10 in FIG. 600 belong to Other calibration instruments other than the first calibration instrument 400 (multimeter) or the second calibration instrument 500 (oscilloscope). The internal calibration module is a functional module for calibration and diagnosis included in the test equipment. Its functions can include general electrical or timing calibration functions, but its path must still be connected to the internal board of the equipment through the calibration carrier board. The calibration carrier 203 further includes a jumper circuit 291 and a switching circuit 292 , and the circuit layout pattern 220 (such as the second relay circuit 224 ) is electrically connected to the internal calibration module 600 through the jumper circuit 291 . The switching circuit 292 is located on the jumper line 291 and is used for cutting off the conduction between the circuit layout pattern 220 (such as the second relay line 224 ) and the internal calibration module 600 .

In this way, when one of the functional boards 120 is to be calibrated by the first calibration instrument 400 or the second calibration instrument 500, the calibration system 11 controls the switching circuit 292 so that the switching circuit 292 cuts off the functional board 120 from the internal calibration. The conductive path of the module 600 prevents the function board 120 from being electrically connected to the internal calibration module 600 . Conversely, when one of the functional boards 120 is to be calibrated by the internal calibration module 600, the calibration system 11 controls the switching circuit 292 so that the switching circuit 292 connects the functional board 120 to the internal calibration module 600. path, so that the function board 120 can be electrically connected to the internal calibration module 600 .

FIG. 7 is a simple block diagram of a measuring device 100 according to an embodiment of the invention. As shown in FIG. 1 and FIG. 7, an electronic unit 320 (such as a resistor or a memory unit) is disposed on the adapter board 300. There is a data record (such as an ID address) in the electronic unit 320, and the data record represents the adapter board. 300 type data. The measuring device 100 further includes a processor unit 130 and a database unit 140 . The board data is stored in the database unit 140 , and the board data respectively include the types of these functional boards 120 . The processor unit 130 is electrically connected to the database unit 140 and the function boards 120 . The processor unit 130 is configured to judge the compatibility between the adapter board 300 and the function board 120 . More specifically, the processor unit 130 determines whether the adapter board 300 is compatible with the function board 120 according to the type data of the adapter board 300 and the type of the above-mentioned function board 120 . When it is judged that the adapter board 300 is not compatible with the functional board 120, the processor unit 130 suspends the calibration of the functional board 120 and issues a difference alarm; otherwise, the processor unit 130 allows the functional board 120 to start calibration Work. In this embodiment, the processor unit 130 is, for example, a central processing unit or a single-chip unit, and the database unit 140 is, for example, a hard disk or a memory unit.

In this way, through the structures described in the above embodiments, the calibration system does not need to replace the entire calibration carrier, but only needs to replace the adapter board at a local position on the calibration carrier, which not only reduces the use of relay paths, but also helps reduce material and The cost of storage will not increase the complexity of the design of the carrier board, thereby reducing the manpower and cost burden of the industry.

Finally, the embodiments disclosed above are not intended to limit this creation. Anyone who is familiar with this technique can make various changes and modifications without departing from the spirit and scope of this creation, and all of them can be protected in this creation. creation. Therefore, the scope of protection of this creation should be defined by the scope of the attached patent application.

10: Calibration system

100: Measuring equipment

110: slot

120: Function board

200: Calibration carrier board

220: Circuit layout patterns

300: Adapter board

320: electronic unit

400: The first calibration instrument

500: second calibration instrument

Claims (12)

A calibration system comprising: a first calibration instrument and a second calibration instrument; A calibration carrier board, including a substrate, a circuit layout pattern and at least one adapter board, the circuit layout pattern is located on the substrate, including a first shared circuit group, a second shared circuit group, a first trunk line and A second trunk line, the first shared circuit group is electrically connected to the first calibration instrument and the first trunk line, the second shared circuit group is electrically connected to the second calibration instrument and the second trunk line, the adapter board replaceably located on one side of the substrate, and electrically connecting the first trunk line and the second trunk line; and A measurement device includes a plurality of function boards, one of the function boards is electrically connected to the adapter board, and is electrically connected to one of the first calibration instrument and the second calibration instrument through the adapter board. The calibration system as described in claim 1, wherein an electronic unit is arranged on the adapter board, and the type data of the adapter board is provided in the electronic unit; and The measuring device further includes a processor unit and a database unit, the database unit has board data, and the board data respectively includes the types of the function boards, the processor unit is electrically connected to the database unit , and according to the type data of the adapter board and the type of one of the function boards, it is judged whether the adapter board is compatible with the one of the function boards, Wherein when the processor unit judges that the adapter board is not compatible with the one of the function boards, the processor unit suspends the calibration of the one of the function boards and issues a difference alarm. The calibration system as claimed in claim 1, wherein the measuring device further includes an internal calibration module; and The calibration carrier board further includes a jumper circuit and a switch circuit, the circuit layout pattern is electrically connected to the internal calibration module through the jumper circuit, and the switch circuit is located on the jumper circuit for switching on and off the internal calibration module. A connection path between a functional board and the internal calibration module. The calibration system as described in claim 1 further includes: a first connection interface and a second connection interface, the adapter board is connected to the calibration carrier through the first connection interface and the second connection interface; and The calibration carrier includes a plurality of conductive parts and a wiring, and the conductive parts are connected to the first connection interface through the wiring. The calibration system as described in claim 1 further includes: An intermediate sheet, through which the adapter board and the calibration carrier are electrically connected to each other; The calibration carrier includes a plurality of conductive parts, and the conductive parts are located on the substrate, including a first conductive part and a second conductive part, the first conductive part is connected to the adapter board through the interposer, and the second conductive part The adapter board is connected through the intermediary sheet, wherein the distribution positions of the conductive parts of the adapter board correspond to the distribution positions of the conductive parts of the calibration carrier board. The calibration system as described in claim 1, wherein one of the functional boards is a digital logic timing measurement card, a general power level measurement card, a higher voltage level measurement card and a higher current level measurement card one of them. The calibration system according to claim 1, wherein the first calibration instrument is an electrical meter measuring instrument, and the second calibration instrument is a timing measuring instrument. A calibration carrier plate comprising: a substrate; A circuit layout pattern, located on the substrate, includes a first shared circuit group, a second shared circuit group, a first trunk line and a second trunk line, the first shared circuit group is electrically connected to a first calibration instrument and the first trunk line, the second shared circuit group is electrically connected to a second calibration instrument and the second trunk line; and At least one adapter board is replaceably located on one side of the substrate, electrically connected to the first trunk line and the second trunk line, and is used to electrically connect to a functional board of a measurement device. The calibration carrier board as described in Claim 8, wherein the adapter board has an electronic unit, and the electronic unit contains the type data of the adapter board. The calibration carrier plate as described in claim item 8 further includes: a jumper line, wherein the circuit layout pattern is electrically connected to an internal calibration module of the measurement device through the jumper line; and A switching circuit is located on the jumper circuit and is used to switch on and off the conducting path between the function board and the internal calibration module. The calibration carrier plate as described in claim item 8 further includes: a first connection interface and a second connection interface, the adapter board is respectively connected to the substrate through the first connection interface and the second connection interface; a trace on the substrate; and A plurality of conductive parts are located on the substrate, and a part of the conductive parts is connected to the first connection interface through the wiring. The calibration carrier plate as described in claim item 8 further includes: an intermediate sheet through which the adapter board and the calibration carrier are electrically connected to each other; and A plurality of conductive parts are located on the substrate, including a first conductive part and a second conductive part, the first conductive part is connected to the adapter board through the intermediary sheet, and the second conductive part is connected to the adapter board through the intermediary sheet , Wherein the distribution positions of the conductive parts of the adapter board correspond to the distribution positions of the conductive parts of the calibration carrier board.

Images