WO2006006248A1 - 電気的接続装置 - Google Patents
電気的接続装置 Download PDFInfo
- Publication number
- WO2006006248A1 WO2006006248A1 PCT/JP2004/010247 JP2004010247W WO2006006248A1 WO 2006006248 A1 WO2006006248 A1 WO 2006006248A1 JP 2004010247 W JP2004010247 W JP 2004010247W WO 2006006248 A1 WO2006006248 A1 WO 2006006248A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- guide
- lower base
- electrical connection
- connection device
- base
- Prior art date
Links
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
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/317—Testing of digital circuits
- G01R31/3181—Functional testing
- G01R31/319—Tester hardware, i.e. output processing circuits
- G01R31/31903—Tester hardware, i.e. output processing circuits tester configuration
- G01R31/31905—Interface with the device under test [DUT], e.g. arrangements between the test head and the DUT, mechanical aspects, fixture
Definitions
- the present invention relates to an electrical connection device used as an auxiliary device in an energization test of a semiconductor device such as an integrated circuit.
- electrical connection devices such as inspection sockets or test sockets in which semiconductor devices are detachably mounted. Is used as an auxiliary device for inspection.
- an IC holder that can hold an IC as an object to be inspected having a plurality of lead electrodes, and a plurality of contacts (probe needles) at their tips
- a contact support arranged in a state corresponding to the arrangement of the lead electrodes, and the IC support holding the IC is attached to the contact support so that the lead electrode can be positioned.
- Patent Document 1 Japanese Patent Laid-Open No. 7-2 2 9 9 4 9
- the IC support includes a receiving seat for receiving the IC, and a pair of upper guides having a flat upper guide surface for guiding the IC supplied to the IC support from above the receiving seat. And a pair of lower guides having an arc-shaped lower guide surface for accurately guiding the IC guided by the upper guide to the receiving seat. Both upper guides are opened so that the upper guide surface functions when the IC support is pushed down in the direction of the contact support, and the IC support is raised with respect to the contact support. At this time, it swings along the arc-shaped lower guide surface so as to contact the lead electrode of the IC and press the lead electrode against the tip of the contact.
- the IC is moved together with the IC support, and when the IC support is lowered to the lowermost position, the lead electrode starts to be pressed against the tip of the contact by the upper guide, and the IC itself is pressed against the receiving seat. Or the lead electrode is pressed against the tip of the contact This prevents movement or displacement relative to the contact.
- the receiving seat and the lower guide are provided on the IC support that moves up and down with respect to the contact support, the I received on the receiving seat is moved by the Ic support.
- the lead electrode of the IC will be pressed against the tip of the contact in this state due to displacement due to vibration caused by angular rotation of the lower guide or the like. In such a case, the IC lead electrode will not contact the tip of the contact accurately, so an accurate test will not be performed.
- the lower guide has a structure in which the IC is positioned with respect to the contact and the contact.
- the dimensional accuracy of the sealed IC has a slight difference due to various factors such as the dimensional accuracy of the mold used for a package or a mold.
- I C also has slightly different dimensions.
- An object of the present invention is to prevent displacement of an object to be inspected with respect to a contact.
- the electrical connection device is a plurality of contacts having a plate-like lower base and tips that are individually brought into contact with a plurality of electrodes of a test subject, and are arranged on the lower base.
- a first guide disposed on the lower base for guiding the test object so that its electrode contacts the tip of the contact, and the test object with respect to the contact
- a first guide having a space for positioning, an upper base having a plate-like upper base coupled to the lower base so as to be movable up and down, and having an opening allowing passage of the object to be inspected,
- a pair of second guides arranged opposite to each other above one guide, and when the upper base is lowered with respect to the lower base, an object to be inspected supplied through the opening is placed in the space.
- a second guide that presses the object in the space against the tip of the contact when raised.
- the plurality of contacts have their tips exposed to the first space.
- the first guide is disposed on the lower base, and the object to be inspected is received at the tip of the contact. For this reason, even if the upper base or the second guide is displaced relative to the lower base, the first guide and the contact, and thus the test object, are not displaced. As a result, the test object is not changed to the upper base or the second guide. Displacement due to the displacement of is prevented.
- the first guide may be detachably attached to the lower base. By doing so, it is possible to replace the first guide with the optimum first guide according to the degree of variation in the dimensional accuracy of the test object, and to change the first guide to another first guide having a different dimension. By exchanging the guide, it can be used for testing other specimens with different dimensions.
- the lower base may have a first recess that opens upward, and the first guide may have a plate shape and be disposed in the first recess.
- the electrical connection device according to the present invention further includes a pedestal that is detachably arranged on the lower base, and that has a pedestal that penetrates the lower base in the vertical direction and projects an upper end thereof into the space. Can do. By doing so, the amount of overdrive can be changed by changing the protruding amount of the pedestal into the space or by replacing the pedestal with another pedestal having a different protruding amount into the space.
- the lower base may further include a plurality of slots through which the plurality of contacts individually penetrate with their tips exposed in the space. By doing so, contact between adjacent contacts is prevented and the contacts are stabilized.
- the pair of second guides are connected to the lower base and the upper base so as to be capable of pivoting around an axis extending in the horizontal direction, and can be moved horizontally in a direction intersecting the axis. It may be mistaken for the upper base. By doing so, the second guide is surely displaced as the upper base moves up and down.
- the upper base is further opened to the lower side and communicates with the second recess.
- the upper end of the second guide may be located in the second recess and connected to the upper base at the upper end. By doing so, the second recess can be used as a space for receiving most of the second guide.
- the electrical connection device may further include a plurality of elastic bodies that urge the upper base upward with respect to the lower base.
- the contact may have an outer surface curved in an arc shape, or may have a J-shape.
- the electrical connection device further includes a wiring board having a plurality of conductive parts on an upper surface thereof, the wiring board to which the lower base is attached, and the outer surface in contact with the conductive parts. And an elastic body disposed on the lower base to press the contact.
- FIG. 1 is a plan view showing an embodiment of an electrical connection device according to the present invention, with the wiring board removed.
- FIG. 2 is a front view of the electrical connection device shown in FIG.
- FIG. 3 is a right side view of the electrical connection apparatus shown in FIG.
- Fig. 4 is a bottom view of the electrical connection device shown in Fig. 1, with the wiring board removed.
- Fig. 5 is a cross-sectional view taken along line 5-5 in Fig. 1.
- (A) shows a state where the upper base is lowered
- (B) shows a state where the upper base is raised.
- FIG. 6 is a cross-sectional view taken along line 6-6 in FIG.
- FIG. 7 is a plan view of the vicinity of the location where the first guide and the contact are arranged.
- FIG. 8 is a cross-sectional view taken along line 8-8 in FIG. Explanation of symbols
- the electrical connection device 10 is used for an energization test in which a semiconductor device is a device under test 12.
- the object to be inspected 1 2 includes a plate-like main body 14 made into a rectangular planar shape by a package or a mold, and a plurality of electrodes 16 formed on the lower surface of the main body 14 (see FIG. 8). . These electrodes 16 are divided into four electrode groups, each corresponding to four opposite sides of the rectangle, and spaced apart in the direction along the corresponding side. . Each electrode 16 is located at a position inside the corresponding side and has a plate shape extending in a direction perpendicular to the corresponding side.
- the electrical connection device 10 includes a wiring board 20 acting as a base plate, a plate-like lower base 2 2 stacked on the wiring board 20, a base 2 4 disposed on the lower base 2 2, and a lower base 2 A plurality of contacts 2 6 arranged in 2, a first guide 2 8 arranged in the lower base 2 2, and a plate-like upper base 3 arranged so as to be vertically movable above the lower base 2 2 3 0 and a pair of second guides 32 connected to the upper and lower bases 22 and 30.
- the wiring board 20 has a plurality of wirings (not shown) formed on the upper surface thereof. These wirings are divided into four wiring groups corresponding to the one-to-one relationship to the electrode groups of the object to be inspected 12 (that is, to a pair of opposite sides of the rectangle). The wiring of each wiring group extends in parallel from the center side of the wiring board 20 toward the corresponding side, and is spaced in a direction perpendicular to the corresponding second example.
- the lower base 22 has a rectangular planar shape, and has a first recess 34 that opens upward.
- the first recess 34 has a shape like the inner space of a shallow box, and has a flat bottom surface.
- the lower base 22 is positioned with respect to the wiring board 20 with a plurality of positioning pins (not shown) by a plurality of screw members 35 that pass through the lower base 22 and are screwed to the wiring board 20. In the state, it is removably attached to the wiring board 20.
- the pedestal 24 extends through the center of the lower base 22 from below and protrudes at the upper end into the first recess 3 4. The base 24 is prevented from falling off the lower base 22 because the lower base 22 is attached to the wiring board 20.
- the lower base 22 also has four grooves 36 that open downward, and a plurality of slots 38 that communicate with the first recesses 34 and the grooves 36.
- the grooves 36 are positioned around the pedestals 24 so as to individually correspond to the sides of the rectangle, and extend in a direction along the corresponding sides at intervals in a direction perpendicular to the corresponding sides. .
- Each groove 36 has a one-to-one relationship with the combination of electrode groups and wiring groups. It corresponds to the person in charge.
- Slots 38 are divided into four slot groups, each communicating with the same groove 36. Each slot group corresponds to a one-to-one relationship with a combination of electrode groups, wiring groups, and grooves 36.
- the slots 38 in each slot group extend in a direction perpendicular to the corresponding side at intervals along the corresponding side.
- Each contact 26 has an outer surface curved in an arc shape from the front end side to the rear end side thereof, and has a substantially J-shape.
- Each contact 26 has its rear end positioned in the corresponding groove 36, its front end passed through the slot 38, and its front end protruded into the first recess 34. Arranged in two. For this reason, the contact between adjacent contacts 26 is prevented, and the contactors 26 are stabilized.
- the contacts 26 are also divided into two contact groups corresponding to a one-to-one relationship with the combinations of electrode groups, wiring groups, grooves and slot groups.
- the contacts 24 of each contact group have their tips (needle tips) facing the opposing contact group, and the arc-shaped outer surface faces the wiring board 20, and further on the corresponding side. Spacing is in the direction along.
- each contact 26 has an arcuate outer surface in a state where the lower base 22 is attached to the wiring board 20 by the elastic member 40 placed at the bottom of the corresponding groove 36. A part of the side surface is pressed by the wiring of the wiring board 20 to prevent the lower base 22 from falling off.
- the elastic member 40 is made of a rubber material like a silicone rubber in a rod shape, and extends in the groove 36 in the longitudinal direction of the groove 36.
- the first guide 28 has a substantially rectangular plate shape and is disposed in the first recess 3 4.
- the first guide 28 is in a state of being positioned with respect to the lower base 22 by a plurality of positioning pins (not shown), and the plurality of first guides 28 are screwed into the lower base 22 through the first guide 28. It is removably attached to the lower base 2 2 by the screw member 4 2.
- the first guide 28 has, in the center, a first space 44 having a rectangular planar shape so as to receive the inspection object 12 supplied from above. Slots 3 8 passing through the lower base 2 2 are open to the first space 4 4, and the pedestal 2 4 and contacts 2 6 Have their tips (top ends) exposed in the first space 44.
- the upper half is a guide surface that guides the supplied inspection object 1 2 to the correct position with respect to the tip of the contact 2 6,
- the lower half is a positioning surface for positioning the object to be inspected 12 with respect to the tip of the contact 26.
- the first space 44 acts as an in-house positioning space for guiding and positioning the inspection object '12.
- the upper base 30 has a rectangular planar shape that is approximately the same size as the lower base 22, and has a second recess 46 that opens downward, and the second recess 46 above And an opening 48 for communicating with the space.
- the second recess 46 has a shape similar to the inner space of a shallow box and has a flat bottom surface.
- the second recess 4 6 is larger and deeper than the first recess 3 4.
- the opening 48 has a rectangular planar shape that is larger than the test object 12.
- the inner surface forming the opening 48 is a guide surface that correctly guides the inspection object 12 supplied from above to the second guide 3 2.
- the upper base 30 is connected to the lower base 2 2 so as to be vertically movable by a plurality of guide bins 50 attached to the lower base 2 2 so as to extend upward from the lower base 2 2.
- a plurality of elastic bodies 52 disposed between the base 22 and the upper base 30 are urged upward.
- the elastic body 52 is a compression coil spring in the illustrated example, and receives the upper part of the support pin 54 attached to the lower base 22 so as to extend upward from the lower base 22.
- the second guide 3 2 is disposed between the first guide 28 and the opening 48 so as to face each other with an interval in one direction in a horizontal plane.
- Each of the second guides 32 includes a pair of swinging parts 56 bent in an L shape and guide parts 58 connecting the two swinging parts 56 to each other.
- the pair of oscillating parts 56 are slidably connected to the lower base 22 at each one end by a shaft 60 penetrating each other end in the other direction in the horizontal plane, and the other end is connected to the horizontal plane.
- the other end is slidably connected to the upper base 30 by a shaft 62 that penetrates in the other direction.
- the shaft 60 is attached to the lower base 2 2 and supports both swinging portions 5 6 which are paired so as to be able to swing, and the pair of retaining rings 6 4 is prevented from falling off the lower base 2 2. ing.
- the shaft 6 2 is received by a long hole 6 6 formed in the upper base 30 so that it can move freely, and the pair of retaining rings 68 prevents the falling off from the upper base 30. Yes.
- Each elongated hole 6 6 extends in one direction in the horizontal plane (the direction in which the second guides 32 are separated from each other), and the other side of the second guide 32 (the center side of the upper base 30). The end of is bent downward. That is, in FIG. 5 (A), the left elongated hole 66 is bent at the right end downward, and the right elongated hole 66 is bent at the left end downward.
- the second guide 32 may be pivotally supported by using a pivot pin.
- each second guide 32 extends in the other direction in the horizontal plane and swings integrally with both the swinging portions 56.
- each second guide 3 2 includes a guide surface 70 for guiding the test object 12 supplied through the opening 48 to the first space 4 4, and the first space 4 4 has a pressing surface 7 2 for pressing down the test object 1 2 in 4 so that the electrode 16 contacts the tip of the contact 26.
- the electrical connection device 10 further includes a pair of guide bins 74 for positioning between the completion (not shown) of conveying the inspection object 12 and the electrical connection device 10.
- Each guide pin 7 4 is attached to the lower base 2 2 so as to extend vertically from the lower base 2 2, and passes through the upper base 3 0 so that the upper end protrudes above the upper base 3 0. Yes.
- the upper base 30 is always raised by the urging force of the elastic body 52.
- the second guide 3 2 is configured such that the end of the shaft 6 2 is received by the end inclined to the lower side of the long hole 6 6. Projecting downward from 46, the second space 76 is closed and the guide surface 70 is inclined so as not to function.
- the second guide 3 2 is such that the end portion of the shaft 62 is first below the long hole 66. Ascend from the inclined end and then rotate angularly to move horizontally in the slot 66.
- the second guide 3 2 finally has the guide surface 70 to guide the object 12 to be inspected toward the first space as shown in FIG. Open space 7 6 in 2.
- the carrier that conveys the object to be inspected 12 holds the object to be inspected 1 2 with the electrode 16 facing downward, and is moved above the electrical connection device 10 in that state. .
- the carrier then receives the guide pin 74 in its positioning hole. As a result, the carrier and the electrical connection device 10 are positioned.
- the carrier pushes down the upper base 30 against the urging force of the inertia member 52 by a pusher provided for the carrier.
- the second guide 3 2 is arranged so that the end of the shaft 6 2 first rises from the end inclined downward of the slot 66 and then moves horizontally in the slot 66. The angle is rotated.
- the second guide 3 2 finally opens the second space 76 so that the guide surface 70 surely performs its function as shown in FIG. 5 (A). .
- the guide portion 58 of the second guide 32 is accommodated in the second recess 46.
- the device under test 12 is released from the carrier.
- the inspection object 12 falls, is received by the guide surface 70 through the opening 48, and is guided to the first space 44 by the guide surface 70.
- the test object 12 is guided in the first space 44 so that the electrode 16 comes into contact with the front end of the contact 26 and is positioned with respect to the contact 26. Is received at the tip of the contact 2 6.
- the carrier then releases the upper ace 30 press.
- the upper base 30 is raised by the elastic body 52, so that the second guide 3 2 is angularly arranged so as to lose the function of the guide surface 70.
- Rotated 2 space 7 6 is closed and object 2 6 is pushed down by guide portion 7 2.
- the device under test 1 2 is received at the tip of the contact 2 6.
- Guide 2 8 and contact 2 6 As a result, the object 1 2 does not move. Therefore, the inspected object 12 is prevented from being displaced due to the displacement of the upper base 30 and the second guide 32.
- the test object 12 is tested by correctly pressing the electrode 16 against the tip of the contact 26 and energizing it in that state.
- the overdrive acts on the contact 26.
- the amount of overdrive is mainly determined by the biasing force of the elastic body 52.
- the amount of overdrive is determined beforehand by the force that changes the amount of protrusion of the pedestal 24 to the first space 44, and the amount of protrusion of the pedestal 24 to the first space 44 is different. It can be adjusted by exchanging it.
- an optimal first guide 28 according to the degree of variation is attached to the lower base 2 2 in advance.
- a first guide 28 having a dimension corresponding to the dimension of a new test object is attached to the lower base 22 in advance.
- both the second guides 3 2 are connected to the lower base 2 2 and the upper base 30 so as to be pivotable, and the both second guides 3 2 are separated from each other. Since it is connected to the upper base 30 so as to be movable in the direction, the second guide 32 is surely displaced as the upper base 30 moves up and down.
- the electrical connection device 10 may be used so that it is upside down, or may be used so that the longitudinal direction of the guide pin 74 is inclined.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Individual Semiconductor Devices (AREA)
- Measuring Leads Or Probes (AREA)
- Connecting Device With Holders (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2004/010247 WO2006006248A1 (ja) | 2004-07-12 | 2004-07-12 | 電気的接続装置 |
JP2006527690A JPWO2006006248A1 (ja) | 2004-07-12 | 2004-07-12 | 電気的接続装置 |
US11/606,547 US7688094B2 (en) | 2004-07-12 | 2006-11-29 | Electrical connecting apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2004/010247 WO2006006248A1 (ja) | 2004-07-12 | 2004-07-12 | 電気的接続装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006006248A1 true WO2006006248A1 (ja) | 2006-01-19 |
Family
ID=35783614
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/010247 WO2006006248A1 (ja) | 2004-07-12 | 2004-07-12 | 電気的接続装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7688094B2 (ja) |
JP (1) | JPWO2006006248A1 (ja) |
WO (1) | WO2006006248A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7632106B2 (en) | 2007-08-09 | 2009-12-15 | Yamaichi Electronics Co., Ltd. | IC socket to be mounted on a circuit board |
US7914295B2 (en) | 2008-11-12 | 2011-03-29 | Yamaichi Electronics Co., Ltd. | Electrical connecting device |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7918669B1 (en) * | 2010-07-22 | 2011-04-05 | Titan Semiconductor Tool, LLC | Integrated circuit socket with a two-piece connector with a rocker arm |
USD668625S1 (en) | 2010-07-22 | 2012-10-09 | Titan Semiconductor Tool, LLC | Integrated circuit socket connector |
US9128118B2 (en) | 2012-08-21 | 2015-09-08 | Apple Inc. | Testing systems with automated loading equipment and positioners |
US8998621B2 (en) * | 2013-02-15 | 2015-04-07 | Titan Semiconductor Tool, LLC | Socket mount |
US9425529B2 (en) * | 2014-06-20 | 2016-08-23 | Xcerra Corporation | Integrated circuit chip tester with an anti-rotation link |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63299257A (ja) * | 1987-05-29 | 1988-12-06 | Dai Ichi Seiko Co Ltd | Ic検査用ソケット |
JPH04155790A (ja) * | 1990-10-19 | 1992-05-28 | Texas Instr Japan Ltd | ソケット |
JPH07240262A (ja) * | 1994-02-24 | 1995-09-12 | Yamaichi Electron Co Ltd | Icソケットにおけるic保持装置 |
JPH08213794A (ja) * | 1994-10-11 | 1996-08-20 | Advantest Corp | Icキャリア |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5829128A (en) * | 1993-11-16 | 1998-11-03 | Formfactor, Inc. | Method of mounting resilient contact structures to semiconductor devices |
EP0679524B1 (en) | 1994-04-29 | 1998-03-11 | Agfa-Gevaert N.V. | Storage box for a cassette for a thermal printer |
DE19537358B4 (de) | 1994-10-11 | 2007-03-01 | Advantest Corp. | IC-Träger |
US6229320B1 (en) * | 1994-11-18 | 2001-05-08 | Fujitsu Limited | IC socket, a test method using the same and an IC socket mounting mechanism |
KR100314135B1 (ko) * | 1999-03-08 | 2001-11-16 | 윤종용 | Bga 패키지의 전기적 검사를 위한 소켓 및 이를 이용한검사방법 |
US6958616B1 (en) * | 2003-11-07 | 2005-10-25 | Xilinx, Inc. | Hybrid interface apparatus for testing integrated circuits having both low-speed and high-speed input/output pins |
-
2004
- 2004-07-12 WO PCT/JP2004/010247 patent/WO2006006248A1/ja active Application Filing
- 2004-07-12 JP JP2006527690A patent/JPWO2006006248A1/ja active Pending
-
2006
- 2006-11-29 US US11/606,547 patent/US7688094B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63299257A (ja) * | 1987-05-29 | 1988-12-06 | Dai Ichi Seiko Co Ltd | Ic検査用ソケット |
JPH04155790A (ja) * | 1990-10-19 | 1992-05-28 | Texas Instr Japan Ltd | ソケット |
JPH07240262A (ja) * | 1994-02-24 | 1995-09-12 | Yamaichi Electron Co Ltd | Icソケットにおけるic保持装置 |
JPH08213794A (ja) * | 1994-10-11 | 1996-08-20 | Advantest Corp | Icキャリア |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7632106B2 (en) | 2007-08-09 | 2009-12-15 | Yamaichi Electronics Co., Ltd. | IC socket to be mounted on a circuit board |
US7914295B2 (en) | 2008-11-12 | 2011-03-29 | Yamaichi Electronics Co., Ltd. | Electrical connecting device |
Also Published As
Publication number | Publication date |
---|---|
US7688094B2 (en) | 2010-03-30 |
JPWO2006006248A1 (ja) | 2008-04-24 |
US20070069763A1 (en) | 2007-03-29 |
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