WO2013191432A1 - 관통공이 형성된 도전성 입자를 가지는 검사용 소켓 및 그 제조방법 - Google Patents
관통공이 형성된 도전성 입자를 가지는 검사용 소켓 및 그 제조방법 Download PDFInfo
- Publication number
- WO2013191432A1 WO2013191432A1 PCT/KR2013/005344 KR2013005344W WO2013191432A1 WO 2013191432 A1 WO2013191432 A1 WO 2013191432A1 KR 2013005344 W KR2013005344 W KR 2013005344W WO 2013191432 A1 WO2013191432 A1 WO 2013191432A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- conductive particles
- hole
- conductive
- inspection
- socket
- Prior art date
Links
- 239000002245 particle Substances 0.000 title claims abstract description 74
- 238000012360 testing method Methods 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 title claims description 18
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- 239000011810 insulating material Substances 0.000 claims abstract description 25
- 238000007689 inspection Methods 0.000 claims description 47
- 238000000465 moulding Methods 0.000 claims description 9
- 239000000758 substrate Substances 0.000 claims description 6
- 238000007747 plating Methods 0.000 claims description 5
- 230000001154 acute effect Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000206 photolithography Methods 0.000 claims description 3
- 230000001747 exhibiting effect Effects 0.000 claims description 2
- 238000009534 blood test Methods 0.000 abstract 3
- 229920001971 elastomer Polymers 0.000 description 12
- 239000005060 rubber Substances 0.000 description 12
- 229920002379 silicone rubber Polymers 0.000 description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 239000004945 silicone rubber Substances 0.000 description 5
- 239000007771 core particle Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000004944 Liquid Silicone Rubber Substances 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 229920001400 block copolymer Polymers 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000012778 molding material Substances 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229920006311 Urethane elastomer Polymers 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical compound C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 229920003244 diene elastomer Polymers 0.000 description 1
- 150000001993 dienes Chemical class 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229920005558 epichlorohydrin rubber Polymers 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- HIHIPCDUFKZOSL-UHFFFAOYSA-N ethenyl(methyl)silicon Chemical compound C[Si]C=C HIHIPCDUFKZOSL-UHFFFAOYSA-N 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- -1 methylphenylvinyl Chemical group 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000346 polystyrene-polyisoprene block-polystyrene Polymers 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
Images
Classifications
-
- 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
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0433—Sockets for IC's or transistors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0433—Sockets for IC's or transistors
- G01R1/0441—Details
- G01R1/0466—Details concerning contact pieces or mechanical details, e.g. hinges or cams; Shielding
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0433—Sockets for IC's or transistors
- G01R1/0483—Sockets for un-leaded IC's having matrix type contact fields, e.g. BGA or PGA devices; Sockets for unpackaged, naked chips
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/06—Measuring leads; Measuring probes
- G01R1/067—Measuring probes
- G01R1/073—Multiple probes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/01—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the form or arrangement of the conductive interconnection between the connecting locations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
- H01R33/74—Devices having four or more poles, e.g. holders for compact fluorescent lamps
- H01R33/76—Holders with sockets, clips, or analogous contacts adapted for axially-sliding engagement with parallely-arranged pins, blades, or analogous contacts on counterpart, e.g. electronic tube socket
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/06—Measuring leads; Measuring probes
- G01R1/067—Measuring probes
- G01R1/073—Multiple probes
- G01R1/07307—Multiple probes with individual probe elements, e.g. needles, cantilever beams or bump contacts, fixed in relation to each other, e.g. bed of nails fixture or probe card
- G01R1/07364—Multiple probes with individual probe elements, e.g. needles, cantilever beams or bump contacts, fixed in relation to each other, e.g. bed of nails fixture or probe card with provisions for altering position, number or connection of probe tips; Adapting to differences in pitch
- G01R1/07378—Multiple probes with individual probe elements, e.g. needles, cantilever beams or bump contacts, fixed in relation to each other, e.g. bed of nails fixture or probe card with provisions for altering position, number or connection of probe tips; Adapting to differences in pitch using an intermediate adapter, e.g. space transformers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/22—Contacts for co-operating by abutting
- H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
- H01R13/2407—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means
- H01R13/2414—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means conductive elastomers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/20—Connectors or connections adapted for particular applications for testing or measuring purposes
Definitions
- the present invention relates to an inspection socket having conductive particles having a through hole, and more particularly, an inspection socket having conductive particles capable of minimizing durability degradation due to contact with terminals of a device under test, and a method of manufacturing the same. It is about.
- the inspection socket is used in the inspection process for determining whether the manufactured device under test is defective. That is, the manufactured device under test performs a predetermined electrical test to determine whether there is a defect, wherein the device under test and the test device for the test are not in direct contact with each other but indirectly through the test socket. Will be connected.
- the reason for this is that the inspection apparatus for inspection is relatively expensive, so that it is not easy to replace when worn or damaged due to frequent contact with the inspected device, and the replacement cost is high.
- the inspection socket is replaceably mounted on the upper side of the inspection apparatus, and the device under test is electrically connected to the inspection apparatus by contacting the inspection socket instead of the inspection apparatus. Therefore, the test signal from the test apparatus is transmitted to the device under test through the test socket.
- the test socket is disposed between the device under test 140 and the test apparatus 130, and the terminal 141 and the test apparatus 130 of the device under test 140 are inspected.
- the inspection socket for electrically connecting the pads (131) of the ()) the conductive portion is disposed at positions corresponding to the terminals of the device to be inspected and exhibits conductivity in the thickness direction, wherein the conductive portion 110 is elastic A conductive portion 110 in which a plurality of conductive particles 111 are arranged in the thickness direction in the insulating material; And an insulating support part 120 to insulate and support the respective conductive parts 110.
- the test socket 100 is in contact with the pad of the test apparatus and the conductive portion in a state mounted on the test apparatus, the device under test is configured to be in contact with the conductive portion of the test socket.
- the device to be inspected which is moved by the insert, is brought into contact with the conducting portion of the test socket, and seated in the test socket. Then, when a predetermined electrical signal is applied from the test apparatus, the signal passes through the test socket. The predetermined electrical inspection is performed by being delivered to the device under test.
- the conductive portion of the inspection socket is configured by arranging a plurality of conductive particles in the insulating material, wherein the terminal of the device under test frequently contacts the conductive portion.
- the conductive particles distributed in the insulating material may be easily separated to the outside.
- the conductive particles are made of a spherical shape, so that the spherical conductive particles are easily separated from the insulating material.
- an object of the present invention is to provide an inspection socket and a manufacturing method thereof in which conductive particles are firmly held in a conductive portion.
- the inspection socket for achieving the above object, in the inspection socket disposed between the device under test and the inspection device to electrically connect the terminal of the device under test and the pad of the inspection device,
- a conductive portion disposed at a position corresponding to a terminal of the device under test and exhibiting conductivity in a thickness direction, wherein the conductive portion includes a conductive portion in which a plurality of conductive particles are arranged in a thickness direction in an elastic insulating material;
- It is configured to include an insulating support that insulates while supporting the respective conductive parts,
- a through hole penetrating one surface and another surface other than the one surface may be provided, and the elastic insulating material may fill the through hole.
- the through hole may be configured in a disk shape provided in the center.
- the through hole may have a cross-sectional shape of any one of a circular cross section, a star cross section or a polygonal cross section.
- At least two through holes may be provided.
- the said electroconductive particle may have a "C" shape.
- It comprises one side, the other side and the connecting portion connecting the one side and the other side, the edge of the one side and the other side protrudes than the connecting portion, the through hole is the center of the one side and the other The center of the side can communicate.
- the through-hole is formed in the center is formed in the shape of a disk, the edge may be formed an angled corner forming an acute angle.
- Method for manufacturing a test socket for achieving the above object, (a) preparing a substrate; (b) forming a forming layer on the substrate; (c) removing at least a part of the molding layer to provide a space having a shape corresponding to the conductive particles in the molding layer; And (d) forming a plating layer in the space to provide conductive particles.
- the space may be formed by forming by a photo-lithography process or an imprinting process.
- a through hole is formed in the conductive particles disposed in the conductive portion, and the through hole is filled with an insulating material and integrated with the surrounding insulating material.
- FIG. 1 is a view showing a test socket according to the prior art.
- FIG. 2 is an operational view of FIG.
- FIG 3 is a view showing a test socket according to an embodiment of the present invention.
- FIG. 4 is a view showing an example of conductive particles in the inspection socket of FIG.
- FIG. 5 shows an example of a method for producing the conductive particles of FIG. 4.
- 6-12 is a figure which shows the other example of the electroconductive particle of this invention.
- test socket according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.
- the test socket 10 is disposed between the device under test 40 and the test device 50, and the terminal 51 of the device under test 40 and the pad 51 of the test device 50. Are electrically connected to each other, and include a conductive portion 20 and an insulating support portion 30.
- a plurality of conductive portions 20 are disposed at positions corresponding to the terminals 41 of the device under test 40, and exhibit conductive in the thickness direction and non-conductive in the plane direction perpendicular to the thickness direction. will be.
- a plurality of conductive particles 21 are arranged in the thickness direction in the elastic insulating material.
- the elastic insulating material is preferably a polymer material having a crosslinked structure.
- Various materials can be used as the curable polymer material forming material that can be used to obtain such an elastic material, and specific examples thereof include polybutadiene rubber, natural rubber, polyisoprene rubber, styrene-butadiene copolymer rubber, and acrylonitrile-butadiene.
- Conjugated diene rubbers such as copolymer rubbers, hydrogenated products thereof, block copolymer rubbers such as styrene-butadiene-diene block copolymer rubbers, styrene-isoprene block copolymers, and these hydrogenated materials, chloroprene rubbers, urethane rubbers, polyesters Rubber, epichlorohydrin rubber, silicone rubber, ethylene-propylene copolymer rubber, ethylene-propylene-diene copolymer rubber, and the like.
- silicone rubber what crosslinked or condensed a liquid silicone rubber is preferable.
- the liquid silicone rubber preferably has a viscosity of 10 5 poise or less at a strain rate of 10 ⁇ 1 seconds, and may be any of a condensation type, an additive type, a vinyl group, a hydroxyl group, and the like.
- dimethyl silicone raw rubber, methyl vinyl silicone raw rubber, methylphenylvinyl silicone raw rubber, and the like can be given.
- the electroconductive particle 21 which shows magnetic property is used.
- the conductive particles 21 include particles of a metal having magnetic properties such as iron, cobalt and nickel, particles of alloys thereof, particles containing these metals, or these particles as core particles.
- Nickel is coated on the surface of the core particles by plating metals having good conductivity such as gold, silver, palladium, rhodium, or inorganic material particles or polymer particles such as nonmagnetic metal particles or glass beads as core particles. And plating of a conductive magnetic metal such as cobalt.
- the conductive particle 21 is provided with a through hole 21a penetrating one surface and another surface other than the one surface, and the through hole 21a is configured to be filled with the elastic insulating material, respectively.
- the conductive particles 21 are integrally bonded to the insulating material. That is, the conductive particles 21 may be firmly disposed in the elastic insulating material as the conductive particles 21 are integrally combined with the elastic insulating material.
- the shape of the conductive particles 21 is basically in the form of a disk, the through hole (21a) is to be formed to penetrate through the center of one surface and the other surface. At this time, the shape of the through hole 21a may have a substantially circular cross section.
- the insulating support part 30 insulates the conductive parts 20 so as not to flow electricity between the conductive parts 20 while supporting the respective conductive parts 20, and is made of the same material as the elastic insulating material.
- silicone rubber may be used.
- the substrate 60 is prepared as shown in FIG. 5 (a).
- the forming layer 61 is disposed on the substrate 60.
- the molding layer 61 may be a silicone rubber material, but is not limited thereto.
- FIG. 5C at least a part of the molding layer 61 is removed to form a space 62 having a shape corresponding to the conductive particles.
- a predetermined space is formed in a molding layer by a photolithography process using masking, ultraviolet irradiation, etching, or the like, or a predetermined shape is embossed to form a predetermined space by pressing the molding layer by pressing the molding layer. Printing process and the like.
- conductive particles are prepared by forming the plating layer 21 ′ in the space 62.
- the conductive particles are prepared in this way, the conductive particles are introduced into the liquid silicone rubber to prepare a liquid molding material, and then the liquid molding material is inserted into a mold having a predetermined shape to form a conductive part.
- the magnetic field is applied and cured at each position to complete the manufacture of the inspection socket. Since this manufacturing process is not known, a detailed description thereof will be omitted.
- test socket according to an embodiment of the present invention has the following effects.
- the test socket is seated in the test apparatus, and then the device under test is seated in the test socket.
- the conductive portion of the test socket is placed in an electrically conductive state by being pressed by the terminal of the device under test.
- the electrical signal is transmitted to the terminal of the device under test through the conductive portion, and accordingly, the predetermined inspection can be performed.
- a through hole is formed in each conductive particle, and an elastic insulating material constituting the conductive portion is inserted through the through hole so that each conductive particle is integrated with the elastic insulating material.
- Inspection socket according to an embodiment of the present invention may be modified as follows.
- the disc shape in which the through hole is formed in the center has been described as an example of the conductive particles, but is not limited thereto.
- the through-hole 22a which has the star-shaped cross section inside the electroconductive particle 22 based on disk shape can also be formed. Or it is also possible to form a through hole having another polygonal cross-sectional shape. Thus, as the through hole has a star-shaped cross-sectional shape, it is possible to further strengthen the adhesion between the insulating material and the insulating material.
- the conductive particles 23 may have a disk shape as a whole, but the cross section may be amorphous. As such, when the surface is somewhat irregularly formed, the peripheral elastic material may be more firmly fixed.
- an edge having an acute angle at the circumferential edge in the shape in which the conductive particles 24 have a disk shape includes one side portion 24 ', the other side portion 24' 'and a connecting portion 24' '' connecting the one side portion 24 'and the other side portion 24' ', wherein the one side portion ( 24 ') and the edge of the other side portion 24' 'protrude from the connecting portion, and the through hole 24a may be configured to communicate the center of the one side portion with the center of the other side portion.
- a plurality of through holes 25a may be formed in the conductive particles 25.
- four through holes may be formed.
- the contact surface with the elastic insulating material is increased to enable a stable coupling as a whole.
- the conductive particles 26 may be formed in an elongated plate shape extending in one direction rather than in a disc shape, and the through holes 26a therein may also have corresponding shapes.
- the mechanical adhesive strength can be increased.
- the conductive particles 27 and 28 may have a C shape.
- connecting holes 27b and 28b for connecting some of the through holes and the circumference may be additionally formed.
- the mechanical adhesive strength with the elastic insulating material may be increased, and more elastic force may be absorbed during contact with the terminal of the device under test.
- test socket of the present invention has been described with reference to various embodiments, it is not limited thereto, and any thing that can be reasonably interpreted from the scope of the present invention will naturally belong to the scope of the present invention.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Testing Of Individual Semiconductor Devices (AREA)
- Measuring Leads Or Probes (AREA)
- Connecting Device With Holders (AREA)
- Manufacturing Of Electrical Connectors (AREA)
Abstract
Description
Claims (9)
- 피검사 디바이스와 검사장치의 사이에 배치되어 피검사 디바이스의 단자와 검사장치의 패드를 서로 전기적으로 연결시키는 검사용 소켓에 있어서,상기 피검사 디바이스의 단자와 대응되는 위치마다 배치되고 두께방향으로의 도전성을 나타내는 도전부로서, 상기 도전부는 탄성 절연물질 내에 다수의 도전성 입자가 두께방향으로 배열되어 배치되는 도전부; 및상기 각각의 도전부를 지지하면서 절연시키는 절연성 지지부를 포함하여 구성되되,상기 도전성 입자는,어느 한 일면과, 상기 일면 이외의 다른 면을 관통하는 관통공이 마련되어 있고 상기 탄성 절연물질은 상기 관통공을 채우고 있는 것을 특징으로 하는 관통공이 형성된 도전성 입자를 가지는 검사용 소켓.
- 제1항에 있어서,상기 도전성 입자는,상기 관통공이 중앙에 마련되는 원판형상으로 구성된 것을 특징으로 하는 관통공이 형성된 도전성 입자를 가지는 검사용 소켓.
- 제2항에 있어서,상기 관통공은, 원형단면, 별형 단면 또는 다각형 단면 중 어느 하나의 단면형상을 가지는 것을 특징으로 하는 관통공이 형성된 도전성 입자를 가지는 검사용 소켓.
- 제1항에 있어서,상기 관통공은 적어도 2 이상 구비된 것을 특징으로 하는 관통공이 형성된 도전성 입자를 가지는 검사용 소켓.
- 제1항에 있어서,상기 도전성 입자는, "C" 형상을 가지는 것을 특징으로 하는 관통공이 형성된 도전성 입자를 가지는 검사용 소켓.
- 제1항에 있어서,상기 도전성 입자는,일측부, 타측부 및 상기 일측부와 타측부를 연결하는 연결부를 포함하여 구성되되, 상기 일측부 및 타측부의 가장자리는 상기 연결부보다 돌출되어 있으며, 상기 관통공은 상기 일측부의 중앙과 상기 타측부의 중앙을 연통하는 것을 특징으로 하는 관통공이 형성된 도전성 입자를 가지는 검사용 소켓.
- 제1항에 있어서,상기 도전성 입자는,중앙에 관통공이 형성되는 원판형태로 이루어지되, 가장자리 둘레에는 예각을 이루는 각진 모서리가 형성되어 있는 것을 특징으로 하는 관통공이 형성된 도전성 입자를 가지는 검사용 소켓.
- 제1항에 의한 검사용 소켓의 제조방법으로서,(a) 기판을 준비하는 단계;(b) 상기 기판 상에 성형층을 형성하는 단계;(c) 상기 성형층 중 적어도 일부를 제거하여 상기 도전성 입자와 대응되는 형상을 가지는 공간을 성형층 내에 마련하는 단계; 및(d) 상기 공간 내에 도금층을 형성하여 도전성 입자를 마련하는 단계;를 포함하는 것을 특징으로 하는 관통공이 형성된 도전성 입자를 가지는 검사용 소켓의 제조방법.
- 제8항에 있어서,상기 (c) 단계에서, 상기 공간은 포토 리소그래피 공정(Photo-lithography process) 또는 임프린팅(Imprinting process)에 의하여 형성되는 것을 특징으로 하는 관통공이 형성된 도전성 입자를 가지는 검사용 소켓.
Priority Applications (3)
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US14/406,882 US9759742B2 (en) | 2012-06-18 | 2013-06-18 | Test socket including conductive particles in which through-holes are formed and method for manufacturing same |
CN201380032382.XA CN104412112B (zh) | 2012-06-18 | 2013-06-18 | 包括形成有贯穿孔的导电性颗粒的测试插座及其制造方法 |
JP2015513956A JP6333240B2 (ja) | 2012-06-18 | 2013-06-18 | 貫通孔が形成された導電性粒子を有する検査用ソケット及びその製造方法 |
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KR10-2012-0065229 | 2012-06-18 | ||
KR1020120065229A KR101339166B1 (ko) | 2012-06-18 | 2012-06-18 | 관통공이 형성된 도전성 입자를 가지는 검사용 소켓 및 그 제조방법 |
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PCT/KR2013/005344 WO2013191432A1 (ko) | 2012-06-18 | 2013-06-18 | 관통공이 형성된 도전성 입자를 가지는 검사용 소켓 및 그 제조방법 |
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US (1) | US9759742B2 (ko) |
JP (2) | JP6333240B2 (ko) |
KR (1) | KR101339166B1 (ko) |
CN (1) | CN104412112B (ko) |
TW (1) | TWI504902B (ko) |
WO (1) | WO2013191432A1 (ko) |
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CN104412112A (zh) | 2015-03-11 |
TW201403073A (zh) | 2014-01-16 |
US9759742B2 (en) | 2017-09-12 |
JP2017103238A (ja) | 2017-06-08 |
KR101339166B1 (ko) | 2013-12-09 |
JP6333240B2 (ja) | 2018-05-30 |
US20150153387A1 (en) | 2015-06-04 |
TWI504902B (zh) | 2015-10-21 |
CN104412112B (zh) | 2018-01-02 |
JP2015524145A (ja) | 2015-08-20 |
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