WO2004005944A1 - コンタクト、ソケット、ソケットボードおよび電子部品試験装置 - Google Patents
コンタクト、ソケット、ソケットボードおよび電子部品試験装置 Download PDFInfo
- Publication number
- WO2004005944A1 WO2004005944A1 PCT/JP2002/006850 JP0206850W WO2004005944A1 WO 2004005944 A1 WO2004005944 A1 WO 2004005944A1 JP 0206850 W JP0206850 W JP 0206850W WO 2004005944 A1 WO2004005944 A1 WO 2004005944A1
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- WO
- WIPO (PCT)
- Prior art keywords
- contact
- coil spring
- test
- socket
- electronic component
- Prior art date
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Classifications
-
- 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
- H01R13/2421—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means using coil springs
-
- 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
- G01R1/06711—Probe needles; Cantilever beams; "Bump" contacts; Replaceable probe pins
- G01R1/06716—Elastic
-
- 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
Definitions
- the present invention relates to an electronic component test apparatus for testing electronic components such as IC devices, and contacts, sockets, and socket boards used for the same.
- the present invention also relates to an excellent contact, and a socket, a socket pad and an electronic component testing apparatus using the same.
- a device called a handler stores and transports a large number of IC devices in a tray, and electrically contacts each IC device with a contact portion of a test head.
- the main equipment (tester) for the test At this time, each IC device to be tested is pressed against the contact portion of the test head while mounted on the test tray.
- the handler removes each IC device from the test head and places it on a tray according to the test result, thereby sorting the devices into non-defective and defective products.
- a socket is provided in the contact part of the test head, which has contacts (connection terminals) that contact the external terminals of the IC device in an arrangement corresponding to the arrangement of the external terminals of the IC device.
- Figures 16 and 17 show the sockets conventionally used for testing BGA (Bull Grid Array) type IC devices.
- the first type of socket 40 P shown in Fig. 16 is the most commonly used, and a plurality of probe pins 44 P are connected to the external terminals (solder poles) 2 of IC device 2.
- An arrangement corresponding to the arrangement of B is supported by the housing 401P.
- the probe pin 44P is urged outward (upward / downward) by a casing 4464P with a built-in coil spring and a coil spring built in the casing 4446P to There are two upper and lower probe sections 447P held by one single 4446P.
- the lower probe section 447P is a coil built in the casing 4446P when the socket 40P is mounted on the socket board (wiring board) provided on the test head. Due to the nature of the spring, it comes into contact with the socket board connection terminal with a predetermined contact pressure. On the other hand, when the IC device 2 is pressed against the socket 40P by the pusher of the handler, the upper probe section 447P has a predetermined contact pressure due to the elasticity of the coil spring incorporated in the casing 4446P. To contact the external terminal 2B of IC device 2.
- the conventional probe pin 4P has a probe section 447P above and below the casing 446P with a built-in coil spring, so that the probe pin 4P necessarily has a predetermined length. I need. If the length of the probe pin 44P is long, the distance between the external terminal 2B of the IC device 2 and the socket board becomes large, so that the inductance component becomes large and the waveform is deteriorated. Affects. In recent IC devices 2, the pitch of the external terminals 2B has been reduced due to the miniaturization of the package. However, the conventional probe pin 44P has a casing 4464P with a built-in coil spring, so there is a limit in reducing the outer diameter, and it is difficult to reduce the pitch. is there.
- the second type of socket 40 Q shown in Fig. 17 has an arrangement corresponding to the arrangement of the external terminals 2B of the IC device 2, and has a low elasticity such as a thermoplastic elastomer. It is supported by a housing 401Q made of a material having a high modulus.
- the contact 44 Q is formed by molding a conductive resin material such as a silicone resin in which fine metal particles such as copper are dispersed into a cylindrical shape.
- the lower end of the contact 44Q is connected to the socket board with a predetermined contact pressure by the elasticity of the contact 44Q when the socket 40Q is mounted on the socket pod placed on the test head. Contact the terminal.
- the upper end of the contact 44Q has an external terminal of the IC device 2 with a predetermined contact pressure due to the elasticity of the contact 44Q. 2 Touch B.
- the contact 44 Q made of a conductive resin material requires a certain size to be formed, so it is difficult to reduce the inductance component and to narrow the pitch.
- the elasticity and conductivity are greatly reduced, so that there is a problem in durability. Disclosure of the invention
- the present invention has been made in view of such a situation, and an inductor It is an object of the present invention to provide a contact which is capable of reducing a contact component and a pitch and which has excellent durability, and a socket, a socket pad and an electronic component test apparatus provided with such a contact. .
- the present invention relates to a contact that contacts an external terminal of an area array type electronic component during a test, comprising: a coil spring; and both ends of the coil spring in a hollow portion of the coil spring. And a conductive wire having a length shorter than a length of a wire constituting the coil spring and being extendable with the coil spring.
- Examples of the area array type electronic component include a BGA type and an LGA (Land Grid Array) type IC device.
- the contact of the present invention is particularly suitable for a BGA type IC device.
- the contact according to the above invention (1) does not have a probe portion unlike the conventional probe pin, so that the length can be set short, and the coil spring is provided in the hollow portion of the coil spring. Since the conductor has a length shorter than the length of the wire constituting the wire, the inductance component can be reduced. Further, since the contact does not have a casing unlike a conventional probe pin, the pitch can be reduced. Further, since the above-mentioned contact does not use a conductive resin material, the durability is excellent without remarkably lowering the elasticity or the conductivity even by repeated use.
- the conductive wire is spiral.
- the conductor can expand and contract following the coil spring, the movement of the coil spring is prevented from being hindered by the conductor. Also, depending on the material and shape of the conductor, By increasing the contact pressure of the contacts, it is possible to improve the contact reliability with the external terminals of the electronic components and the connection terminals of the Z or socket pod.
- a contact portion that contacts an external terminal of an electronic component and / or a connection terminal of a socket port closes an end opening of the coil spring. It is preferably provided in this way (3). According to the present invention (3), since the contact portion comes into contact with the external terminal of the electronic component and / or the connection terminal of the wiring board (socket board), the contact reliability of the contact can be improved. is there.
- the coil spring may be provided with a projecting portion projecting from a main outer peripheral surface of the coil spring at a portion other than both ends of the coil spring.
- the coil spring can be prevented from jumping out of the housing by holding the projection provided on the coil spring with a part of the housing.
- the coil spring may have an enlarged diameter portion having a partially increased diameter, and the enlarged diameter portion may be the protruding portion (5).
- the coil spring may be formed by stacking two coils in the direction of expansion and contraction, and an end of the coil may be the protruding portion (6).
- end portions of the coil serving as the protruding portions are located at two positions opposed to each other via a center line of the coil spring (7).
- the contact can be supported by the housing in a stable state.
- the present invention provides the contact (1 to 7), And a housing that supports or guides in an arrangement corresponding to the arrangement of the external terminals of the test electronic component.
- the present invention includes the contact (1 to 7), and a housing that supports the contact in an arrangement corresponding to an arrangement of external terminals of the electronic component under test, and the housing is divided into two parts in a thickness direction. And a hole through which the contact penetrates, and a hole receiving portion is formed in the hole of the housing so as to sandwich and hold the protrusion of the coil spring.
- a socket featuring (9).
- the contact can be supported by the housing having the simple configuration so that the contact does not protrude from the eight housings.
- the present invention provides a socket pad (integrated with a socket) wherein one end of each of the contacts (1 to 3) is fixed so as to be electrically connected to a connection terminal of the socket port. (10).
- the contact is guided by a housing having a hole through which the contact penetrates.
- the housing is not an essential element, but the housing is not essential.
- the present invention relates to an electronic component test apparatus capable of performing a test by pressing an external terminal of an electronic component under test against a contact portion of a test head,
- An electronic component test apparatus is provided, wherein the contact section is provided with the contacts (1 to 7) (12).
- the present invention is an electronic component test apparatus capable of performing a test by pressing an external terminal of an electronic component under test against a contact portion of a test head, wherein the contact portion includes the socket (8). , 9) are provided (13).
- the present invention is an electronic component test apparatus capable of performing a test by pressing an external terminal of an electronic component under test against a contact portion of a test head.
- the contact portion includes the socket board ( An electronic component test apparatus characterized by the provision of 10 and 11) is provided [14].
- FIG. 1 is an overall side view of an IC device test apparatus according to one embodiment of the present invention.
- FIG. 2 is a perspective view of a handler in the IC device test apparatus shown in FIG.
- FIG. 3 is a flowchart of a tray showing a method of handling the IC device under test.
- FIG. 4 is a perspective view showing the structure of the IC stopping force of the handler in the IC device test apparatus shown in FIG.
- FIG. 5 is a perspective view showing a waste tray used in the handler.
- FIG. 6 is a cross-sectional view of a main part in a test chamber of the handler.
- FIG. 7 is an exploded perspective view showing a test tray used in the handler.
- FIG. 8 is an exploded perspective view showing a structure near a socket in a test head of the IC device test apparatus shown in FIG.
- FIG. 9 is a partially enlarged perspective view of the socket shown in FIG.
- FIG. 10 is a partial sectional view of a socket according to an embodiment of the present invention.
- FIGS. 11A to 11C are perspective views of contact points of a contact according to an embodiment of the present invention.
- FIG. 12 is a cross-sectional view of the vicinity of the socket shown in FIG.
- FIG. 13 is a cross-sectional view showing a state where the pusher is lowered in FIG.
- FIG. 14 is a partial cross-sectional view of a socket according to another embodiment of the present invention.
- FIG. 15 is a partial sectional view of a socket and a socket pond according to another embodiment of the present invention.
- FIG. 16 is a partial sectional view of a conventional socket.
- FIG. 17 is a sectional view of a conventional socket. BEST MODE FOR CARRYING OUT THE INVENTION
- the IC device test apparatus 10 includes a handler 1, a test head 5, and a test main apparatus 6. Handler 1 should be tested.
- the device (an example of an electronic component) is sequentially conveyed to a socket provided in the test head 5, and an operation of classifying the IC devices that have been tested according to the test results and storing them in a predetermined tray is performed.
- a BGA type IC device having a plurality of external terminals made of solder poles on the lower surface of a rectangular package body is tested.
- the socket provided on the test head 5 is connected to the test
- the IC device electrically connected to the connection device 6 and detachably attached to the socket is connected to the test main device 6 through the cable 7, and the IC device is connected to the IC by the test electric signal from the test main device 6. Test the device.
- a control device for mainly controlling the handler 1 is incorporated, but a space portion 8 is provided in a part.
- a test head 5 is exchangeably arranged in the space 8, and an IC device can be mounted on a socket on the test head 5 through a through hole formed in the handler 1.
- This handler 1 is a device for testing IC devices at a higher (higher temperature) or lower (lower temperature) temperature than room temperature. As shown in Figs. 2 and 3, the handler 1 It has a chamber 100 composed of a chamber 102 and a heat removal tank 103. The upper portion of the test head 5 shown in FIG. 1 is inserted into the test chamber 102 as shown in FIG. 6, where the IC device 2 is tested.
- FIG. 3 is a diagram for understanding how to handle the test IC device in the handler according to the present embodiment, and actually shows the members arranged vertically in a plan view. There is also a part. Therefore, its mechanical (three-dimensional) structure can be understood mainly with reference to FIG.
- the handler 1 stores an IC device to be tested from now on, an IC storage unit 200 for classifying and storing tested IC devices, and an IC storage device.
- the test was performed in the loader section 300 which sends the IC device under test sent from the section 200 to the chamber section 100, the chamber section 100 including the test head, and the chamber section 100.
- an unloader section 400 for taking out and classifying the tested IC devices.
- the IC device ⁇ It is stored in the TST (see Fig. 7) and transported.
- IC devices before being set in the handler 1 are stored in the customer tray KST shown in Fig. 5, and in that state, the IC storage section 200 of the handler 1 shown in Figs.
- the IC device 2 is transferred from the waste tray KST to the test tray TST conveyed in the handler 1.
- the IC device 2 moves while being placed on the test tray TST and is subjected to high or low temperature stress to test whether it operates properly (inspection). ) And classified according to the test results.
- the inside of the handler 1 will be described in detail individually.
- the IC storage section 200 is classified according to the test result, with the pre-test IC storage force 201 storing the pre-test IC device.
- a tested IC stocker 202 for storing 1 C device is provided. As shown in FIG. 4, the pre-test IC stocker 201 and the tested IC stocker 202 intrude from the frame-shaped tray support frame 203 and the lower portion of the tray support frame 203. Elevator overnight to be able to go up and down toward the top
- the customer tray KST in the present embodiment has an IC device storage section of 10 rows ⁇ 6 columns.
- the pre-test IC stocker 201 has a stack of customer trays KST containing IC devices to be tested from now on.
- the tested IC storage capacity 202 has a stack of trays KST containing IC devices classified after the test. Since the pre-test IC stocker 201 and the tested IC stocker 202 have substantially the same structure, use the pre-test IC stocker 201 as the tested IC stocker 202. And vice versa. Therefore, the number of pre-test IC stockers 201 and the number of tested IC stockers 202 can be easily changed as necessary.
- two stockers STK-B are provided as the pre-test stock force 201.
- two empty storage forces S TK-E to be sent to the unloader unit 400 are provided as tested IC stockers 202.
- the waste tray KST stored in the tray support frame 203 of the pre-test IC stocker 201 shown in FIG. 4 is located between the IC storage unit 200 and the device substrate 105 as shown in FIG.
- the substrate is transferred from the lower side of the device substrate 105 to the window portion 303 of the loader portion 300 by the tray transfer arm 205 provided in the device.
- the IC device under test loaded on the waste tray KST is once transferred to a pre-sizer (preciser) 2005 by the XY transfer device 304.
- pre-sizer preciser
- the IC device under test transferred to the precisor 305 is again stopped at the mouth part 300 using the XY transfer device 304. Transfer the test tray to TST.
- the X-Y transfer device 304 for transferring devices is composed of two rails 301 mounted on the upper part of the device board 105, and these two rails 301.
- a movable head 303 that can move in the direction of ⁇ : is provided.
- test tray TST described above is loaded into the chamber 100 after the IC device under test is loaded by the loader unit 300, and each IC device under test is tested while being mounted on the test tray TST. .
- the chamber 100 is provided with a constant temperature chamber 101 for applying a desired high or low temperature thermal stress to the IC device under test loaded on the test tray TST, and a constant temperature chamber 1 01
- the IC under test that has been subjected to the thermal stress in 1 is attached to the socket on the test head in the test chamber 102 and the IC device tested in the test chamber 102.
- Heat-removal tank that removes the applied heat stress 1
- the heat removal tank 103 when the high temperature is applied in the constant temperature chamber 101, the IC device under test is cooled by blowing air to return to room temperature, and when the low temperature is applied in the constant temperature chamber 101, the Heat the test IC device with warm air or a heater to return it to a temperature that does not cause condensation. And this heat-removed test
- the constant temperature bath 101 and the heat removal bath 103 of the chamber 100 are arranged so as to protrude above the test chamber 102.
- a vertical transfer device is provided in the thermostat 101.
- a plurality of test trays TST stand by while being supported by this vertical transfer device until the test chamber 102 is vacant. Mainly, during this standby period, a high or low temperature stress is applied to the IC device under test.
- the test chamber 102 has a test head 5 disposed at the lower center thereof, and a test tray T ST carried on the test head 5.
- all the IC devices 2 held by the test tray TST shown in FIG. 7 are sequentially brought into electrical contact with the test head 5, and the test is performed on all the IC devices 2 in the test tray TST.
- the test tray TST, for which the test has been completed is heat-removed in the heat-removal tank 103 and the temperature of the IC device 2 is returned to room temperature. Emitted to 0.
- an inlet opening for feeding the test tray TST from the device substrate 105 and the device substrate 105 are provided above the constant temperature bath 101 and the heat removal tank 103.
- An outlet opening for sending out the test tray TST is formed.
- a test tray transport device 108 for inserting and removing the test tray TST from these openings is mounted on the device substrate 105. These transfer devices 108 are composed of, for example, rotating rollers.
- the test tray T ST discharged from the heat removal tank 103 is conveyed by the test tray transfer device 100 provided on the device substrate 105 to the un-opening part 400.
- FIG. 7 is an exploded perspective view showing the structure of the test tray TST used in the present embodiment.
- the test tray TST has a rectangular frame 12 on which a plurality of bars 13 are provided in parallel and at equal intervals.
- a plurality of mounting pieces 14 are arranged at equal intervals in the longitudinal direction on both sides of these bars 13 and on the inside of the side 12a of the frame 12 parallel to the bars 13 respectively. It is formed to protrude.
- Each of the inside storage sections 15 is constituted by two opposed mounting pieces 14 of the plurality of mounting pieces 14 provided between the crosspiece 13 and between the crosspiece 13 and the side 12a. ing.
- One insert 16 is stored in each insert storage section 15, and the insert 16 is mounted in a floating state on two mounting pieces 14 using a fastener 17.
- 4 ⁇ 16 inserts 16 can be attached to one test tray TST. That is, the test tray T ST in the present embodiment has an insert storage section 15 of 4 rows ⁇ 16 columns.
- an IC storage section 19 for storing the IC device 2 under test is formed at the center of the insert 16.
- a guide hole 20 into which the guide pin 32 of the pusher 30 is inserted is formed at the center of both ends of the insert 16, and a test hole is formed at both end corners of the insert 16.
- a hole 21 for mounting the tray TST on the mounting piece 14 is formed.
- a socket board 50 as a wiring board is arranged above the test head 5, and a socket 40 having a plurality of contacts 44 is placed on the socket pod 50. Has been fixed.
- the contacts 44 are supported by the housing 401 of the socket 40 with the number and pitch corresponding to the external terminals of the IC device 2.
- the contact 44 includes a first coil spring 441, and a second coil provided in the hollow portion of the first coil spring 441.
- the first coil spring 441 mainly exhibits a function of spring elasticity
- the second coil spring 442 mainly exhibits a function of electric conduction.
- the first coil spring 4 41 in the present embodiment has a substantially uniform outer diameter except for the central portion, but the enlarged portion 4 whose diameter (part by one turn) partially increases in the central portion.
- the inner diameter of the first coil spring 4 4 1 and the outer diameter of the second coil spring 4 4 2 are determined by the first coil spring 4 4 1 and the second coil spring 4 4 even when the contact 4 4 is compressed.
- the dimensions are set so that they do not interfere with 2.
- the length of the wire constituting the second coil spring 444 must be shorter than the length of the wire constituting the first coil spring 441, and in particular, the elasticity of the coil spring is maintained. It is preferable to keep it as short as possible. By shortening the wire constituting the second coil spring 442 in this manner, the inductance component of the contact 44 can be reduced.
- the upper end / lower end of the first coil spring 441, and the upper end Z of the second coil spring 4442 are melted and integrated by means such as a laser beam.
- the melted portion becomes the contact portion 4 4 3.
- the contact portion 4443 is formed so as to close an end opening of the first coil spring 4441.
- the shape of the surface of the contact portion 4 4 3 may be spherical as shown in FIG. 11 (a), may be flat as shown in FIG. 11 (b), or may be As shown in 11 (c), the surface may be uneven.
- First coil spring 4 4 1 and second coil spring 4 4 2 It is preferable to use a metal having excellent mechanical stress characteristics, such as phosphor bronze, stainless steel, beryllium steel, and piano wire, for example. Further, the entire contact 44, that is, the first coil spring 441, the second coil spring 442, and the contact portion 443 are preferably plated with a highly conductive metal such as gold.
- the housing 401 in the present embodiment is configured by stacking two eight housing plates 401a and 401b.
- the housing 401 housing plates 401 a and 401 b
- holes 402 a and 402 b through which the above-mentioned connector 44 passes are formed in the housing 401 (housing plates 401 a and 401 b).
- the holes 402a and 402b have a large diameter at a portion where the housing plate 401a and the housing plate 401b are in contact with each other.
- Enlarged diameter portions 403 a and 403 b for storing the portion 444 are formed.
- the housing 401 is made of an insulating material.
- an insulating material include a liquid crystal polymer (LCP), a borifenylene sulfide (PPS) resin, a silicone resin, a polyimide resin, and the like.
- LCP liquid crystal polymer
- PPS borifenylene sulfide
- silicone resin a silicone resin
- polyimide resin a polyimide resin
- the enlarged-diameter portion accommodating portion 400a formed in the hole portion 402a of the housing plate 401a and the hole portion 402b of the housing plate 401b are formed.
- the enlarged diameter portion 444 of the coil spring 441 is sandwiched between the enlarged diameter portion storage portion 403b and the housing plate 401a and the housing plate 401b are joined, so that the contact 44 becomes the housing 401.
- the contact 44 is supported by the housing 401 so as not to protrude from the housing.
- the method of joining the housing plate 401 a and the housing plate 40 lb is not particularly limited.
- an adhesive, a screw, or the like is used. can do.
- the upper and lower contact portions 443 of the contact 44 normally protrude from the holes 402a and 402b of the housing 401.
- the lower contact part 4 43 of the contact 44 is connected to the coil springs 4 4 1, 4 4 2, especially the first coil spring 4. Due to the elasticity of 4 41, it reliably contacts the connection terminals of socket board 50 with a predetermined contact pressure.
- the contact 44 in such a socket 40 does not have a probe part like a probe pin, the length can be set short, and the contact 44 is vertically moved by the second coil spring 44. Since the conductive path between the contacts 4 4 3 can be shortened, the inductance component can be reduced. Further, the contact 44 does not have a case unlike a probe pin, so that the pitch can be narrowed. Furthermore, since the contact 44 is made of a material having excellent mechanical stress characteristics without using a conductive resin material, its elasticity is remarkable even after repeated use (for example, more than 20,000 uses). It does not decrease or the conductivity does not decrease, and has excellent durability.
- a socket guide 41 is fixed as shown in FIGS. 8, 12, and 13.
- two guide pins 32 formed in the pusher 30 are inserted, and guide bushings 41 for positioning between the two guide pins 32 are provided. Is provided.
- pushers 30 are provided on the upper side of the test head 5 corresponding to the number of sockets 40.
- a pusher 31 for pressing the IC device 2 under test is provided downward at the center of the lower side of the pusher 30, and is provided below the pusher 30. Both sides At the end, a guide bin 32 inserted into the guide hole 20 of the insert 16 and the guide bush 4 11 of the socket guide 41 is provided.
- the pusher 30 is moved downward by the Z-axis driving device 70, the pusher 30 contacts the stopper surface 4 1 2 of the socket guide 4 1 between the presser 3 1 and the guide pin 3 2.
- a stopper pin 34 that can define the lower limit.
- each pusher 30 is fixed to the lower end of the adapter 62, and each adapter 62 is elastically held on the match plate 60.
- the match plate 60 is mounted on the test head 5 so that the test tray T ST can be inserted between the pusher 30 and the socket 40.
- the pusher 30 held by the match plate 60 is movable in the Z-axis direction with respect to the test head 5 or the drive plate (drive body) 72 of the Z-axis drive device 70.
- the test tray T ST is transported between the pusher 30 and the socket 40 in the direction perpendicular to the paper surface (X axis) in FIG.
- a transporting roller or the like is used as a transporting roller or the like is used.
- the drive plate of the Z-axis drive device 70 is raised along the Z-axis direction, and the test tray TST is located between the pusher 30 and the socket 40. Sufficient gap for insertion is formed.
- a pressing portion 74 is fixed to the lower surface of the drive plate 72 so that the upper surface of the adapter 62 held by the match plate 60 can be pressed.
- a drive shaft 78 is fixed to the drive plate 72, and a drive source (not shown) such as a motor is connected to the drive shaft 78.
- the drive shaft 78 is moved up and down along the Z-axis direction. It can be moved and the adapter 62 can be pressed.
- the match plate 60 depends on the shape of the IC device 2 to be tested and the number of sockets 40 provided in the test head 5 (the number of IC devices 2 to be measured simultaneously). Both 2 and pusher 30 have a replaceable structure. By making the match plate 60 freely replaceable in this way, the Z-axis drive device 70 can be made a general-purpose one.
- a temperature adjusting air blower 9 is provided inside a closed casing 80 forming the test chamber 102. 0 is installed.
- the temperature control blower 90 has a fan 92 and a heat exchange unit 94, and the fan 92 draws air inside the casing and discharges the air into the casing 80 through the heat exchange unit 94. By circulating, the inside of the casing 80 is brought to a predetermined temperature condition (high or low temperature).
- the heat exchange section 94 of the temperature control blower 90 is constituted by a heat exchanger for heat dissipation or an electric heater through which a heating medium flows.
- a heat exchanger for heat dissipation or an electric heater through which a heating medium flows.
- the heat exchange section 94 is constituted by a heat-absorbing heat exchanger through which a refrigerant such as liquid nitrogen circulates, and the inside of the casing is kept at a low temperature of, for example, about 16 O to room temperature. It is possible to absorb enough heat to maintain the temperature.
- the internal temperature of the casing 80 is detected by, for example, a temperature sensor 82, and the air flow of the fan 92 and the heat quantity of the heat exchange section 94 are maintained so that the inside of the casing 80 is maintained at a predetermined temperature. Are controlled.
- Hot air or cold air (air) generated through the heat exchange section 94 of the temperature control blower 90 flows through the upper part of the casing 80 along the Y-axis direction. It descends along the casing side wall opposite to 90, returns to the device 90 through the gap between the match plate 60 and the test head 5, and circulates inside the casing.
- the unloader unit 400 shown in FIG. 2 and FIG. 3 also has an X—Y transfer device 4 04, 4 0 4 having the same structure as the X—Y transfer device 304 provided in the loader unit 300.
- the IC devices that have been tested are transferred from the test tray TST carried out to the unloader section 400 to the waste tray KST by the XY transfer devices 404 and 404.
- the waste tray KST carried to the unloader unit 400 is disposed so as to face the upper surface of the device substrate 105.
- Two pairs of windows 406 and 406 are open.
- an elevator 204 for raising and lowering the tray KST is provided (see Fig. 4).
- the IC under test has been tested.
- the customer tray KST which is full due to the transshipment of devices, is put down and the full tray is delivered to the tray transfer arm 205.
- the IC device under test 2 mounted on the waste tray KST is attracted to the movable head 303 of the XY transfer device 304 and attached to the test tray TST. After being transported onto the IC storage section 19 of the inserted insert 16, the suction by the movable head 303 is released and dropped into the IC storage section 19 of the insert 16.
- IC device 2 is stored in IC storage section 19 of insert 16 In this state, after being heated to a predetermined set temperature in the thermostat 101, it is conveyed into the test chamber 102.
- the guide pin 32 of the pusher 30 is inserted into the guide hole 20 of the inserter 16, and the pusher 30, the insert 16 and the socket 40 are positioned. You.
- the presser 31 of the pusher 30 presses the package body of the IC device 2 against the socket 40, and as a result, the external terminal 2B of the IC device 2 is moved to the upper contact portion 4 4 of the contact 40 of the socket 40. Connected to 3.
- the contact portion 4 4 3 is securely connected to the external terminal 2 of the IC device 2 with a predetermined contact pressure. Touch B.
- the test is performed by transmitting a test electric signal from the test main unit 6 to the IC device 2 under test via the contact 44 of the socket 40.
- the contact 44 of the socket 40 in the present embodiment has a small inductance component, so that a high-frequency test can be performed without any problem.
- the Z-axis drive device 70 is driven, and the drive plate 72, the match plate 60, and the pusher 30 are raised, and accordingly, the drive plate 16 2 and the driver 1 6 5 moves upward.
- the socket 40A according to the present embodiment includes a housing 401A and a contact 44A supported by a housing 401A.
- the contact 44 A includes a first coil spring 44 1 a A and a second coil spring 44 1 b A which are vertically stacked, and a first coil spring 44 1 a.
- a and second coil springs 4 4 1 b A third coil spring 4 42 A provided in the hollow portion of A, a first coil spring 4 4 1 a A upper end of A and second coil spring 4 It is composed of contact parts 44 43 a A and 44 43 b A provided at the lower end of 41 b A.
- the first coil spring 44 1 a A and the second coil spring 44 1 b A mainly exhibit the function of spring elasticity, and the third coil spring 44 42 A mainly C, which has the function of conduction.
- the lower end of the first coil spring 44 1 a A (the end in contact with the second coil spring 44 1 b A) and the second coil spring 44 1 b A projects from the main outer peripheral surface of the 4 A. 5aA and 445bA. These projecting portions 445aA and 445bA are located at two positions opposed to each other via the center lines of the coil springs 441aA and 441bA.
- the first coil spring 44 1 aA and the second coil spring 44 1 b A are not particularly joined, but the present invention is not limited to this.
- the inner diameter of the first coil spring 4 41 aA and the second coil spring 4 41 bA and the outer diameter of the third coil spring 44 are set to dimensions so that they do not interfere with the third coil spring 4 42 A even when the connection 44 is compressed. I have.
- the length of the wire forming the third coil spring 442 A is the same as the length of the wire forming the first coil spring 441 aA except for the protrusion 445 aA, and the length of the wire except the protrusion 445 bA. It is necessary to make the length shorter than the sum of the length of the wire constituting the second coil spring 44 1 b A, and it is particularly preferable to minimize the length while maintaining the elasticity of the coil spring.
- the upper end of the first coil spring 44 1 aA, the upper end of the third coil spring 442 A, the lower end of the second coil spring 44 1 b A, and the third coil spring 442 The lower end of A is melted and integrated by means of laser processing or the like, and the melted portion becomes a contact portion 443A.
- the contact portion 443A is formed so as to close the end openings of the first coil spring 441aA and the second coil spring 441bA.
- the housing 401A in the present embodiment is configured by stacking two housing plates 401aA and 401bA. housing
- holes 402aA, 402bA through which the contact 44A penetrates are formed.
- a recess is provided at a portion where the housing plate 401a and the housing plate 401bA are in contact with a part of the hole portions 402a and 402bA.
- Protrusion accommodation portions 404aA and 404bA for accommodating 5bA are formed. These protruding portion accommodating portions 404aA and 404bA are located at two positions opposed to each other via the center lines of the holes 402a and 402bA.
- the first coil spring 441 a The projecting portion 4445aA is housed in the protrusion housing portion404a formed in the hole 402aA of the housing plate 401aA, and the second The coil spring 4 4 1 b A protrusion 4 4 5 b A is housed in the protrusion housing 4 0 4 b A formed in the hole 4 0 2 b A of the housing plate 4 1 b A In this way, by joining housing plate 401 a A and housing plate 401 b A, contact 44 A is prevented so that contact 44 A does not protrude from housing 401 A. Is supported by the housing 401.
- the projections 4 45 a of the first coil spring 4 41 a A and the projections 4 45 b A of the second coil spring 4 41 b A are coil springs 4 4 1 a A, 4
- the contact 44A can be supported by the housing 401A in a stable state because it is located at two positions opposing each other via the center line of 41bA.
- the contact 44 A in such a socket 4 OA does not have a probe portion unlike a probe pin, so that the length can be set short, and the third coil spring 44 A Since the conductive path between the upper and lower contacts 4 4 3 A can be shortened by 2 A, the inductance component can be reduced. Further, since the contact 44A does not have a casing unlike the probe pin, the pitch can be reduced. Furthermore, since the contact 44A is made of a material with excellent mechanical stress characteristics without using a conductive resin material, its elasticity is remarkable even after repeated use (for example, more than 20,000 uses). It does not decrease or the conductivity does not decrease, and has excellent durability.
- This embodiment is another embodiment of the socket 40 and the socket port 50 of the first embodiment. This is according to the embodiment.
- the socket 40B includes a housing 401B and a contact 44B guided by a housing 401B.
- the contact 44 B includes a first coil spring 44 1 B, a second coil spring 44 2 B provided in a hollow portion of the first coil spring 44 1 B, And a contact portion 4443B provided at both ends of the second coil spring 4412B and the second coil spring 4442B.
- the first coil spring 44 1 B mainly exhibits the function of spring resilience
- the second coil spring 44 42 B mainly exhibits the function of electric conduction.
- the first coil spring 441 in the present embodiment has a substantially uniform outer diameter.
- the inner diameter of the first coil spring 4 4 1 B and the outer diameter of the second coil spring 4 4 2 B can be set such that the first coil spring 4 4 1 B and the second coil spring 4 4 The dimensions are set so that there is no interference with the coil spring 4 4 2 B.
- the length of the wire constituting the second coil spring 4442B must be shorter than the length of the wire constituting the first coil spring 4441B. It is preferred to keep the elasticity as short as possible.
- the upper end / lower end of the first coil spring 4441B and the upper end / lower end of the second coil spring 4442B are melted by means of laser processing or the like. It is integrated, and the fused part is the contact part 4 4 3 B.
- the contact portion 4443B is formed so as to close the end opening of the first coil spring 4441B.
- the lower contact part 4 4 3 B of the contact 44 B is The solder H is soldered to the connection terminal of the socket port 50B, and the contact 44B is thus fixed to the socket board 50B.
- the housing 401B in the present embodiment is composed of one plate.
- the housing 401B is formed with a hole 402B through which the above-mentioned contact 44B penetrates, and an inner peripheral wall of the hole 402B is provided with an expandable and contractable contact 44B. I will guide you.
- the contact 44 B in such a socket 40 B does not have a probe part like a probe pin, so that the length can be set short, and the second coil spring 44 B As a result, the conductive path between the upper and lower contacts 4 4 3 B can be shortened, so that the inductance component can be reduced. Further, the contact 44B does not have a casing unlike the probe pin, so that the pitch can be reduced. Furthermore, since the contact 44B is made of a material having excellent mechanical stress characteristics without using a conductive resin material, its elasticity is remarkable even after repeated use (for example, more than 20,000 uses). It does not decrease or the conductivity does not decrease, and has excellent durability.
- the protrusion 4445 aA of the first coil spring 441 aA and the protrusion 4445 bA of the second coil spring 441 bA in the second embodiment may be omitted.
- a washer is provided between the first coil spring 44 1 a A and the second coil spring 44 1 b A, and this washer is mounted on the housing 401 a A and the housing 401 b A. Sandwich You may have it.
- a socket of the type shown in FIG. 15 was manufactured. Details are as follows,
- Forming method Laser processing
- Thickness 0.3 mm Size: 17mm X 35mm
- the inductance of the above contact was measured by a material analyzer, and as a result, the inductance of the above contact was 0.5 nH.
- the contact of the present invention can reduce the inductance component, can narrow the pitch, and is excellent in durability. That is, the contact, socket, socket board, and electronic component testing apparatus of the present invention are useful for testing electronic components that require high-frequency testing and electronic components with small pitches of external terminals.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Individual Semiconductor Devices (AREA)
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004519185A JPWO2004005944A1 (ja) | 2002-07-05 | 2002-07-05 | コンタクト、ソケット、ソケットボードおよび電子部品試験装置 |
AU2002315785A AU2002315785A1 (en) | 2002-07-05 | 2002-07-05 | Contact, socket, socket board, and electronic component test apparatus |
KR1020057000122A KR100682380B1 (ko) | 2002-07-05 | 2002-07-05 | 콘택트, 소켓, 소켓보드 및 전자부품시험장치 |
PCT/JP2002/006850 WO2004005944A1 (ja) | 2002-07-05 | 2002-07-05 | コンタクト、ソケット、ソケットボードおよび電子部品試験装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2002/006850 WO2004005944A1 (ja) | 2002-07-05 | 2002-07-05 | コンタクト、ソケット、ソケットボードおよび電子部品試験装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004005944A1 true WO2004005944A1 (ja) | 2004-01-15 |
Family
ID=30022624
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2002/006850 WO2004005944A1 (ja) | 2002-07-05 | 2002-07-05 | コンタクト、ソケット、ソケットボードおよび電子部品試験装置 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPWO2004005944A1 (ja) |
KR (1) | KR100682380B1 (ja) |
AU (1) | AU2002315785A1 (ja) |
WO (1) | WO2004005944A1 (ja) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010050613A1 (en) * | 2008-10-28 | 2010-05-06 | Ibiden Co., Ltd. | Device, method and probe for inspecting substrate |
WO2011077555A1 (ja) * | 2009-12-25 | 2011-06-30 | 株式会社アドバンテスト | ソケット、ソケットボード、及び電子部品試験装置 |
JP2011180091A (ja) * | 2010-03-03 | 2011-09-15 | Yung-Chi Tsai | 接触型電子検査モジュール |
TWI507699B (ja) * | 2014-06-09 | 2015-11-11 | ||
JP2017224637A (ja) * | 2014-05-23 | 2017-12-21 | アルプス電気株式会社 | 圧接コネクタ |
US11322473B2 (en) | 2019-09-12 | 2022-05-03 | International Business Machines Corporation | Interconnect and tuning thereof |
US11561243B2 (en) | 2019-09-12 | 2023-01-24 | International Business Machines Corporation | Compliant organic substrate assembly for rigid probes |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100886108B1 (ko) * | 2007-06-07 | 2009-02-27 | 완-촨 초우 | 복합 프로브 및 상기 프로브를 통해 신호를 전송하기 위한방법 |
KR100974586B1 (ko) * | 2007-12-31 | 2010-08-06 | 이성재 | 비지에이형 반도체 소자 검사용 소켓 |
KR101013986B1 (ko) * | 2008-06-30 | 2011-02-14 | 주식회사 아이에스시테크놀러지 | 테스트 소켓 |
KR101025027B1 (ko) * | 2008-08-20 | 2011-03-25 | 주식회사 아이에스시테크놀러지 | 이중 스프링 및 그를 포함한 테스트 소켓 |
KR101037786B1 (ko) * | 2008-08-21 | 2011-05-27 | 주식회사 아이에스시테크놀러지 | 스프링 내부에 도전성 와이어가 삽입된 테스트 소켓 및 그 테스트 소켓의 제작방법 |
KR101476794B1 (ko) * | 2013-08-28 | 2014-12-29 | 주식회사 아이에스시 | 테스트용 소켓 및 테스트용 소켓의 제조방법 |
KR102162476B1 (ko) * | 2019-07-18 | 2020-10-06 | 박상량 | 단일 몸체의 하우징으로 구성되는 고성능 반도체 테스트 소켓 |
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JPH10340773A (ja) * | 1997-06-05 | 1998-12-22 | Hiroshi Nagano | Ic用ソケット |
JPH11352183A (ja) * | 1998-06-05 | 1999-12-24 | Advantest Corp | 電子部品試験装置 |
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JP2001093634A (ja) * | 1999-09-21 | 2001-04-06 | Kato Spring Works Co Ltd | 半導体パッケージ用ソケット |
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JPH11144824A (ja) * | 1997-11-10 | 1999-05-28 | Japan Aviation Electron Ind Ltd | コネクタ及びそれに用いられるコンタクト |
US6341962B1 (en) * | 1999-10-29 | 2002-01-29 | Aries Electronics, Inc. | Solderless grid array connector |
JP2002050425A (ja) * | 2000-08-03 | 2002-02-15 | Ulvac Japan Ltd | 電流導入端子及び受け側端子 |
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- 2002-07-05 JP JP2004519185A patent/JPWO2004005944A1/ja active Pending
- 2002-07-05 WO PCT/JP2002/006850 patent/WO2004005944A1/ja active Application Filing
- 2002-07-05 AU AU2002315785A patent/AU2002315785A1/en not_active Abandoned
- 2002-07-05 KR KR1020057000122A patent/KR100682380B1/ko not_active IP Right Cessation
Patent Citations (5)
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US6043666A (en) * | 1996-06-28 | 2000-03-28 | Nhk Spring Co., Ltd. | Electroconductive spring contact unit |
JPH10340773A (ja) * | 1997-06-05 | 1998-12-22 | Hiroshi Nagano | Ic用ソケット |
US6033233A (en) * | 1997-11-28 | 2000-03-07 | Fujitsu Limited | Electrical connecting device, and semiconductor device testing method |
JPH11352183A (ja) * | 1998-06-05 | 1999-12-24 | Advantest Corp | 電子部品試験装置 |
JP2001093634A (ja) * | 1999-09-21 | 2001-04-06 | Kato Spring Works Co Ltd | 半導体パッケージ用ソケット |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010050613A1 (en) * | 2008-10-28 | 2010-05-06 | Ibiden Co., Ltd. | Device, method and probe for inspecting substrate |
JP2012506992A (ja) * | 2008-10-28 | 2012-03-22 | イビデン株式会社 | 検査用治具、検査方法、及び、それに用いる検査用プローブ |
WO2011077555A1 (ja) * | 2009-12-25 | 2011-06-30 | 株式会社アドバンテスト | ソケット、ソケットボード、及び電子部品試験装置 |
JPWO2011077555A1 (ja) * | 2009-12-25 | 2013-05-02 | 株式会社アドバンテスト | ソケット、ソケットボード、及び電子部品試験装置 |
JP2011180091A (ja) * | 2010-03-03 | 2011-09-15 | Yung-Chi Tsai | 接触型電子検査モジュール |
JP2017224637A (ja) * | 2014-05-23 | 2017-12-21 | アルプス電気株式会社 | 圧接コネクタ |
TWI507699B (ja) * | 2014-06-09 | 2015-11-11 | ||
US11322473B2 (en) | 2019-09-12 | 2022-05-03 | International Business Machines Corporation | Interconnect and tuning thereof |
US11561243B2 (en) | 2019-09-12 | 2023-01-24 | International Business Machines Corporation | Compliant organic substrate assembly for rigid probes |
Also Published As
Publication number | Publication date |
---|---|
KR20050019831A (ko) | 2005-03-03 |
JPWO2004005944A1 (ja) | 2005-11-04 |
KR100682380B1 (ko) | 2007-02-15 |
AU2002315785A1 (en) | 2004-01-23 |
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