WO2018203428A1

WO2018203428A1 - Contact terminal, contact pin module, and semiconductor device socket equipped with same

Info

Publication number: WO2018203428A1
Application number: PCT/JP2018/005386
Authority: WO
Inventors: 小海　邦仁; 佐藤　隆広; 加藤　裕司
Original assignee: 山一電機株式会社
Priority date: 2017-05-02
Filing date: 2018-02-16
Publication date: 2018-11-08
Also published as: TWI696839B; JP2022000664A; JP2018189488A; JP6989754B2; JP2023099549A; TW201843469A

Abstract

The present invention provides a contact pin module that enables reducing manufacturing cost therefor and allows for automatization of the fabrication therefor. A pair of projection parts 22fa and a pair of temporary fixation lugs 22fc in a contact terminal 22ai are inserted in a hole 26d and a hole 26e of a first contact terminal support substrate, respectively, and then pushed out of the holes 26d, 26e when an abutment part 22fp of a projection piece 22t in a substrate-side fixation terminal part 22F protruding from the exterior surface of a first contact terminal support plate 26 is pressed with a prescribed pressure so as to be pushed in until the abutment part 22fp becomes flush with the exterior surface.

Description

Contact terminal, contact pin module, and semiconductor device socket including the same

The present invention relates to a contact terminal, a contact pin module, and a socket for a semiconductor device including the same.

For example, as disclosed in Patent Document 1, a socket for a semiconductor device having a contact pin module has been proposed. The contact pin module mainly includes a pair of side plates and a plurality of lead frames arranged so as to be substantially parallel to each other via a spacer between the side plates and the side plates. It is configured.

The terminal portions of the contact pin module and the lead frame are positioned with respect to the peripheral edge of the opening of the socket body and the alignment plate. Each lead frame includes a contact pin group as a first connection portion disposed on a common plane, a contact pin group as a second connection portion, and a support plate provided between the contact pin groups. It is composed of

The contact pin composed of one lead includes a terminal portion that forms a terminal group of the first connection portion, a terminal portion that forms a terminal group of the second connection portion, and a connecting line supported by the support plate. Part and two bending parts which connect each terminal part and a connecting line part.

With such a configuration, the contact pin module can individually set the contact force with respect to the terminal of the object to be inspected and the contact force with respect to the electrode of the printed wiring board at the contact terminal of each lead frame.

JP 2002-202344 A

The assembly of the contact pin module as described above is generally a manual operation. First, lead frames and a pair of spacers are alternately arranged and overlapped with each other. Next, each side plate is disposed so as to sandwich the plurality of lead frames and spacers overlapped with each other.

Subsequently, a plurality of coupling pins are inserted into the through holes of the spacers and the side plates, respectively, so that the lead frame, the spacer, and the side plates are integrated, and the assembly of the contact pin module is completed. .

In this contact pin module, a plurality of spacers for positioning the lead frame are required, and the number of assembling steps is large, which increases the manufacturing cost. In addition, assembly of such a contact pin module is performed manually and it is not easy to assemble by an automatic assembly machine, so that production efficiency cannot be improved.

In view of the above problems, the present invention provides a contact terminal, a contact pin module, and a socket for a semiconductor device including the contact terminal, which can reduce the manufacturing cost of the contact pin module and automate the assembly of the contact pin module. An object of the present invention is to provide a contact terminal, a contact pin module, and a socket for a semiconductor device including the contact terminal.

In order to achieve the above-described object, a contact terminal according to the present invention has a movable contact portion having an abutting portion that abuts against an electrode portion of a semiconductor device at one end, and an abutting contact with an electrode portion of a wiring board. A board-side fixed terminal part having a contact part and an elastic connecting piece for connecting the movable contact part and the board-side fixed terminal part, wherein the board-side fixed terminal part or the movable contact part is at least one temporary fixing part. The temporary fixing portion has a first position engaged with the inner peripheral surface of the concave portion of the contact terminal support substrate disposed on at least one of both ends of the connecting piece, and a second position taken out from the concave portion. It takes a position.

The temporary fixing portion may be any one of a temporary fixing claw portion, a dowel, and a cut and raised piece.

In addition, either or both of the board-side fixed terminal part and the movable contact part have an overhanging part engaged with the recess, and the temporary fixing part is provided on the overhanging part of the board-side fixed terminal part. It may be formed adjacent or spaced apart. The width of the protruding portion of the board-side fixed terminal portion may be larger than the corresponding width of at least one temporary fixing portion.

The contact pin module according to the present invention includes a movable contact portion having a contact portion that comes into contact with an electrode portion of a semiconductor device at one end, and a board-side fixed terminal having a contact portion that comes into contact with an electrode portion of a wiring board. And a connecting piece having elasticity for connecting the movable contact portion and the substrate-side fixed terminal portion, and the substrate-side fixed terminal portion or the movable contact portion includes at least one contact terminal having at least one temporary fixing portion; A first contact terminal support substrate or a second contact terminal support substrate disposed on at least one of both ends of the connecting piece, and the temporary contact portion of the contact terminal is the first contact terminal support substrate or The first position is engaged with the inner peripheral surface of the concave portion of the second contact terminal support substrate, and the second position is taken out from the concave portion.

When at least one temporary fixing portion of the contact terminal is in the first position, the distance from the at least one temporary fixing portion to the inner surface of the first contact terminal supporting substrate protrudes from the outer surface of the first contact terminal supporting substrate. The distance may be smaller than the distance to the contact portion of the board-side fixed terminal portion.

A socket for a semiconductor device according to the present invention presses a semiconductor device placed on a positioning substrate in the contact pin module, a contact pin module accommodating portion that accommodates the contact pin module, and an electrode of the semiconductor device. And a pressing mechanism unit that electrically connects the portion and the contact terminal.

According to the present invention, the manufacturing cost of the contact pin module can be reduced, and the assembly of the contact pin module can be automated.

[Correction based on Rule 91 01.03.2018]
The disassembled perspective view of the structure of an example of the contact pin module which concerns on this invention. The perspective view which shows the base member which comprises a part of socket for semiconductor devices which concerns on this invention with the contact pin module shown by FIG. BRIEF DESCRIPTION OF THE DRAWINGS Schematic of the whole structure of an example of the socket for semiconductor devices which concerns on this invention. The perspective view which shows the 1st Example of the contact terminal which concerns on this invention. The (A) side view and (B) front view of the contact terminal shown by FIG. The elements on larger scale which expand and show a part in the example shown by FIG. The fragmentary sectional view with which it uses for operation | movement description of the contact pin module shown by FIG. The fragmentary sectional view with which it uses for operation | movement description of the contact pin module shown by FIG. (A) Partial sectional view and (B) IXB arrow view which expands and shows a part of other example of the modification of 1st Example of the contact terminal which concerns on this invention, and another example of a 1st contact terminal support substrate. FIG. 10 (A) is a partial cross-sectional view showing an enlarged part of another modification of the first embodiment of the contact terminal according to the present invention, (B) an XB arrow view, and (C) in FIG. 10 (A). The fragmentary sectional view shown along the XC-XC line. FIG. 11A is an enlarged view of a part of still another modification of the first embodiment of the contact terminal according to the present invention, (A) a partial cross-sectional view, (B) an XIB arrow view, and (C) FIG. FIG. 3 is a partial cross-sectional view taken along line XIC-XIC in FIG. The fragmentary sectional view which expands and shows a part of further modification of 1st Example of the contact terminal which concerns on this invention. (A) An enlarged partial sectional view showing a part of a further modification of the first embodiment of the contact terminal according to the present invention, (B) a portion shown along line XIIIB-X IIIB in FIG. In cross section. (A) An enlarged partial sectional view showing a part of a further modification of the first embodiment of the contact terminal according to the present invention, (B) a portion shown along line XIVB-XI VB in FIG. Sectional drawing. (A) Partial cross-sectional view showing an enlarged part of a further modification of the first embodiment of the contact terminal according to the present invention, (B) Partial cross-section shown along line XVB-XVB in FIG. Figure. (A) It is a partial enlarged view which expands and shows a part of further modification of 1st Example of the contact terminal which concerns on this invention, (B) It is a side view of the example shown by FIG. 16 (A). The fragmentary sectional view which expands and shows a part of further modification of 1st Example of the contact terminal which concerns on this invention. (A) An enlarged partial sectional view showing a part of a further modification of the first embodiment of the contact terminal according to the present invention, (B) a partial sectional view taken along line XVIIIB-XVIIIB in FIG. FIG. 4C is an enlarged partial sectional view showing a part of a further modification of the first embodiment of the contact terminal according to the present invention. FIG. 18D is shown along the line XVIIID-XVIIID in FIG. Partial sectional view, (E) A partial sectional view showing, in an enlarged manner, a part of a further modification of the first embodiment of the contact terminal according to the present invention, (F) taken along line XVIIIF-XVIIIF in FIG. The fragmentary sectional view shown along. (A) Partial sectional view showing still another modification of the first embodiment of the contact terminal according to the present invention, (B) Partial sectional view taken along line XIXB-XIXB in FIG. (C) XIXC arrow view. (A) Partial sectional view showing still another modification of the first embodiment of the contact terminal according to the present invention, (B) Partial sectional view taken along line XIIB-XIIB in FIG. ) Is an XIIC arrow view. The fragmentary sectional view which shows 2nd Example of the contact terminal which concerns on this invention with the component of a contact pin module. FIG. 22 is a partial cross-sectional view for explaining the operation of the contact terminal shown in FIGS. Operation | movement explanatory drawing of the contact pin module in which the further another modification of 1st Example of the contact terminal which concerns on this invention is used. Operation | movement explanatory drawing of the contact pin module in which the further another modification of 1st Example of the contact terminal which concerns on this invention is used. Operation | movement explanatory drawing of the contact pin module in which the further another modification of 1st Example of the contact terminal which concerns on this invention is used. Operation | movement explanatory drawing of the contact pin module in which the further another modification of 1st Example of the contact terminal which concerns on this invention is used. The fragmentary sectional view which shows the principal part of another example of the contact pin module which concerns on this invention. Operation | movement explanatory drawing of the contact pin module shown by FIG. 27 (A) and (B). The fragmentary sectional view which shows the principal part of another example of the contact pin module which concerns on this invention. Operation | movement explanatory drawing of the contact pin module shown by FIG. 29 (A) and (B). The fragmentary sectional view and XXXIC arrow line view which show the further another modification of the contact terminal which concerns on this invention. Operation | movement explanatory drawing and XXXIIC arrow line view in the example shown by FIG. The fragmentary sectional view which shows the further another modification of the contact terminal which concerns on this invention.

FIG. 3 schematically shows a configuration of a socket for a semiconductor device including an example of a contact pin module according to the present invention.

A plurality of semiconductor device sockets are arranged on a printed circuit board PCB as a test board, for example. FIG. 3 typically shows one semiconductor device socket on the printed circuit board PCB.

The printed circuit board PCB is made of, for example, a glass epoxy resin, and an electrode group (not shown) composed of a plurality of electrode pads formed in a lattice shape corresponding to the arrangement of contact terminals to be described later is arranged at the approximate center of one surface portion. Have in the department. Around it, there are formed four through holes into which a small screw BS1 described later is inserted.

The socket for a semiconductor device includes, for example, a clamshell type pressing mechanism unit, and a contact pin module 20 (see FIG. 2) accommodated in a contact pin module accommodating portion 30A of a base member 30 constituting a part of the pressing mechanism unit. As the main element.

The pressing mechanism unit includes a base member 30 and a lid member 3 2 having a pressing body 36 that can move.

For example, the semiconductor device DV includes an integrated circuit in a BGA type package. A plurality of electrode portions DVa (see FIG. 3) are formed vertically and horizontally on the bottom of the semiconductor device DV. When the semiconductor device DV is positioned on a positioning member 40 of the contact pin module 20 described later, each electrode portion DVa of the semiconductor device DV is provided with each stepped hole 42ai (i = 1 to n) formed in the contact terminal alignment plate 42. , N are positive integers) (see FIG. 7). The semiconductor device DV is not limited to such an example. For example, the semiconductor device DV may include an integrated circuit in an LGA type package.

In the central portion of the base member 30, a contact pin module housing portion 30A (see FIG. 2) in which the contact pin module 20 is disposed is formed.

The lid member 32 is rotatably supported at one end of the base member 30 via a support shaft 46. Both ends of the support shaft 46 are inserted into holes 30Ra of the shaft support portion formed on both sides of the recess 30R of the base member 30, respectively. The pressing body 36 of the lid member 32 presses the plurality of electrode portions DVa of the mounted semiconductor device DV against the contact terminal group of the contact pin module 20 described later.

At the other end of the lid member 32, a latch member 34 is rotatably provided so as to hold the lid member 32 on the base member 30 or to release the lid member 32 as shown in FIG. ing.

The latch member 34 is supported by the lid member 32 so as to be rotatable via a support shaft 44 at the center of the cross section. The claw portion 34N at one end thereof is selectively locked to a locking portion 30N (see FIG. 2) formed integrally with the base member 30 in the recess 30F of the base member 30.

The recess 30F is formed to face the recess 30R of the base member 30 described above. The other end of the latch member 34 is urged by a coil spring (not shown) in the counterclockwise direction in FIG.

When the above-described lid member 32 is held by the base member 30, the pressing body 36 is supported by a small screw and is movably provided in the concave portion at the center on the inner surface side of the lid member 32 facing the base member 30. ing.

The pressing body 36 is urged by a plurality of coil springs (not shown) in a direction in which a pressing projection 36P, which will be described later, is separated from the opening of the lid member 32. A pressing protrusion 36 P that protrudes toward the base member 30 is formed at the center of the portion of the pressing body 36 that faces the base member 30.

When the lid member 32 is held by the base member 30 in a state where the semiconductor device DV is mounted on the contact terminal alignment plate 42 in the positioning member 40 of the contact pin module 20 in the base member 30, the pressing protrusion 36P The end surface is in contact with the upper surface of the package of the semiconductor device DV and presses the electrode part DVa of the semiconductor device DV toward the contact terminal group.

As shown in FIG. 1, the contact pin module 20 includes a positioning member 40 for positioning a semiconductor device DV to be mounted with respect to the contact terminal alignment plate 42, a contact terminal alignment plate 42 connected to the positioning member 40, and a print. A first contact terminal support plate 26 that is disposed opposite to one surface portion of the wiring board PCB and supports a board-side fixed terminal portion 22F of a contact terminal 22ai to be described later, and a movable contact portion 22C connected to the contact terminal alignment plate 42. The second contact terminal support plate 28 that is movably supported, and the semiconductor device DV and the printed wiring board PCB disposed between the first contact terminal support plate 26 and the second contact terminal support plate 28 are electrically connected. A plurality of contact terminals 22ai (i = 1 to n, n is a positive integer) to be connected are included as main elements. In is configured.

The positioning member 40 is formed of a resin material, for example, and has an opening 40A in which the semiconductor device DV to be placed is disposed at the center.

Corners

40a, 40b, 40c, and 40d that are engaged with the respective corners of the package of the semiconductor device DV are formed on the periphery of the opening 40A.

A portion between the corner portion 40a and the corner portion 40b, a portion between the corner portion 40b and the corner portion 40c, a portion between the corner portion 40c and the corner portion 40d, and a portion between the corner portion 40d and the corner portion 40a. Each portion is formed with a relief portion 40g.

The contact terminal alignment plate 42 is formed, for example, in a substantially square shape with a resin material, and has a plurality of stepped holes 42ai into which the respective electrode portions DVa of the semiconductor device DV to be placed are respectively inserted. The external dimensions of the contact terminal alignment plate 42 are set to be substantially the same as the external dimensions of the positioning member 40 described above, for example. The plurality of stepped holes 42ai (i = 1 to n, n is a positive integer) are formed vertically and horizontally corresponding to the arrangement of the electrode portions DVa of the semiconductor device DV.

As shown in FIG. 7, the stepped hole 42ai includes a cylindrical hole 42b that is open at one end and into which the electrode portion DVa is inserted, and a hole 42e that has a rectangular cross section and communicates with the hole 42b. . In FIG. 7, two stepped holes 42ai out of the plurality of stepped holes 42ai are representatively shown.

A movable contact portion 22C of a contact terminal 22ai described later is movably inserted into the hole 42b. Around the plurality of stepped holes 42ai, two through holes 42da and 42db that are spaced from each other and into which a coupling claw (not shown) of the positioning member 40 is inserted are formed facing each side. The connecting claw of the positioning member 40 is locked to the peripheral edges of the two through holes 42da and 42db.

Further, on the surface of the contact terminal alignment plate 42 facing the second contact terminal support plate 28, two connecting claws 42NA and two connecting claws 42NB protrude at positions corresponding to the two through holes 42da and 42db, respectively. ing.

The two connecting claws 42NA and the two connecting claws 42NB are inserted into the two through holes 28da and the two through holes 28db of the second contact terminal support plate 28, respectively. The inserted two coupling claws 42NA and two coupling claws 42NB are locked to the peripheral edges of the two through holes 28da and the two through holes 28db, respectively.

The second contact terminal support plate 28 is formed, for example, in a substantially square shape with a resin material, and has a through hole 28ai (i = 1 to n, n) on a central axis common to each stepped hole 42ai in the contact terminal alignment plate 42. Is a positive integer).

The outer dimension of the second contact terminal support plate 28 is set slightly larger than the outer dimension of the contact terminal alignment plate 42. The plurality of through hole rods 28ai are formed vertically and horizontally corresponding to the stepped holes 42ai. Each through hole 28ai has, for example, a substantially rectangular cross section, and penetrates along the Z coordinate axis in the orthogonal coordinates in FIG. The long side of each through hole 28ai extends a predetermined length along the Y coordinate axis in the orthogonal coordinates in FIG.

A recess 28D that receives one end of the coil spring 24 is formed around the plurality of through holes 28ai at positions adjacent to the through holes 28da and 28db corresponding to the respective corners of the second contact terminal support plate 2 端子 8. Yes.

The coil spring 24 biases the contact terminal alignment plate 42 in a direction in which the contact terminal alignment plate 42 is separated from the second contact terminal support plate 28. As a result, the contact terminal alignment plate 42 is arranged so as to be close to or separated from the second contact terminal support plate 28.

The first contact terminal support plate 26 is formed, for example, in a substantially square shape with a resin material, and has a recess 26A at the center. The surface of the second contact terminal support plate 28 is in contact with the periphery of the opening end of the recess 26 A in the first contact terminal support plate 26.

The outer dimension of the first contact terminal support plate 26 is set slightly smaller than the outer dimension of the second contact terminal support plate 28. A stepped hole 26bi (where i = 1 to n, n is a positive integer) is formed on the central axis common to the through hole 28ai of the second contact terminal support plate 28 at a portion forming the bottom surface inside the recess 26A. It is formed (see FIG. 7A). The plurality of stepped holes 26bi are formed vertically and horizontally corresponding to the through holes 28ai of the second contact terminal support plate 28.

The stepped hole 26bi has, for example, a substantially rectangular cross section, and penetrates along the Z coordinate axis in the orthogonal coordinates in FIG. As shown in FIG. 7A, the stepped hole 26bi includes an elongated hole 26d along the Y coordinate axis and a hole 26e perpendicular to the elongated hole 26d along the Z coordinate axis.

The contact terminal 22ai which is the first embodiment of the contact terminal according to the present invention is made of a metal thin plate, for example, beryllium copper, by pressing. As shown in an enlarged view in FIG. 4, the contact terminal 22ai includes a movable contact portion 22C having a contact portion 22P that is selectively contacted with the electrode portion DVa of the semiconductor device DV, and an electrode pad of the printed wiring board PCB. Board-side fixed terminal portion 22F having an abutting portion 22fp abutted on the one end, and a curved curved piece portion 22m as a connecting piece for connecting the movable contact portion 22C and the substrate-side fixed terminal portion 22F. It consists of

The movable contact portion 22C has a pair of projecting portions 22ca projecting along the Y coordinate axis in FIG. 1 in the vicinity of one end portion of the curved piece portion 22m described later.

The elastically displaceable curved piece 22m is, for example, a strip having a predetermined width along the Y coordinate axis in FIG. The curved piece portion 22m is formed, for example, in a convex shape toward one side along the X coordinate axis in FIG.

As shown in FIG. 6, the board-side fixed terminal portion 22 F is curved from the other end portion of the curved piece portion 22 m to a pair of overhang portions 22 fa that extend along the Y coordinate axis in FIG. 1 and the overhang portion 22 fa. It has a projecting piece 22t formed on the common axis with the central axis of the piece 22m.

The projecting piece 22t has a pair of temporary locking claws 22fc as a temporary locking part integrally formed at a position adjacent to each overhanging part 22fa. As shown in FIG. 7, the pair of overhang portions 22fa is inserted into the hole 26d of the stepped hole 26bi described above. The pair of temporary pawl portions 22fc are inserted into and engaged with the holes 26e described above.

The distance L2 from the temporary pawl portion 22fc to the elongated hole 26d is set to be smaller than the length L1 of the contact portion 22fp protruding from the outer peripheral surface of the first contact terminal support plate 26. At that time, the substantially circular dowel 22ft is brought into contact with one inner peripheral surface along the Y coordinate axis in the hole 26d described above.

As shown in FIG. 6, the dowel 22ft is formed at the center of the pair of overhanging portions 22fa on one surface. The distance L3 from the circular edge of the dowel 22 ft to the inner bottom surface of the recess 26A is set to be smaller than the length L1 of the contact portion 22fp protruding from the outer peripheral surface of the first contact terminal support plate 26. Has been. The dowel 22ft functions to prevent the contact terminal 22ai from collapsing in the X-coordinate axis direction, and also functions as a temporary fixing portion.

The pair of overhanging portions 22fa, dowels 22ft, and the pair of temporary locking claws 22fc are inserted into the

holes

26d and 26e, respectively, and then the first contact terminal support as shown in FIG. When the contact portion 22fp of the projection piece 22t of the board-side fixed terminal portion 22F protruding from the outer surface of the plate 26 is pressed by a predetermined pressure F, the hole 26d is pushed in until the contact portion 22fp matches the outer surface. And extruded from the hole 26e.

In assembling the contact pin module 20, first, a plurality of contact terminals 22 ai are arranged in the recess 26 A of the first contact terminal support plate 26. At that time, as shown in FIG. 7, a pair of overhanging portions 22fa, dowels 22ft and a pair of temporary locking claws 22fc of the board-side fixed terminal portion 22F of each contact terminal 22ai are respectively formed into

holes

26d, 26e is inserted and temporarily fixed.

Next, the movable contact portions 22C of the contact terminals 22ai are inserted into the through holes 28ai of the second contact terminal support plate 28 and the stepped holes 42ai of the contact terminal alignment plate 42 which are close to each other.

Thereby, the movable contact portion 22C of each contact terminal 22ai is automatically inserted into the hole 42e of the contact terminal alignment plate rod 42. At that time, the two claw portions of the second contact terminal support plate 28 are respectively inserted into the holes 26db of the first contact terminal support plate 26 and locked around the holes 26db.

Subsequently, the coil spring 24 is inserted between the contact terminal alignment plate 42 and the second contact terminal support plate 28 and one end thereof is inserted into the recess 28D. The two connecting claws 42NA and the two connecting claws 42NB of the contact terminal alignment plate 42 to which the positioning member 40 is attached are inserted into the two through holes 28da and the two through holes 28db, respectively, on the periphery thereof. Locked.

This completes the assembly of the contact pin module 20. Accordingly, since the second contact terminal support plate 28 is assembled to the contact terminal 22ai in a state where the board-side fixed terminal portions 22F of the plurality of contact terminals 22ai are supported and arranged on the first contact terminal support plate 26, for example, Also by the automatic assembly machine, the plurality of contact terminals 22ai can be easily assembled to the first contact terminal support plate 26 and the second contact terminal support plate 28.

Subsequently, as shown in FIG. 8, in the assembled contact pin module 20, the contact portions 22fp of the board-side fixed terminal portions 22F of the contact terminals 22ai protruding from the outer surface of the first contact terminal support plate 26 are provided. For example, it is pressed by a predetermined jig or the like.

Accordingly, the pair of temporary claw portions 22fc is pushed out from the hole 26e, and the pair of overhanging portions 22fa are pushed out from the hole 26d, for example, until the contact portion 2 2fp is aligned with the outer surface. At this time, the pair of overhang portions 22fa, dowels 22ft, and the pair of temporary locking claws 22fc are pushed out from the

holes

26d and 26e, respectively.

That is, the pair of overhang portions 22fa and the pair of temporary locking claws 22fc of the board-side fixed terminal portion 22F of each contact terminal 22ai are inserted into the

holes

26d and 26e, respectively, and engaged with each other. From this state, the second position is pushed out from the hole 26d and the hole 26e.

Then, after the assembled contact pin module 20 is mounted in the contact pin module housing portion 30A of the base member 30, the base member 30 is fixed to the printed wiring board PCB with the machine screw BS1. At this time, since the pair of overhang portions 22ca are brought into contact with the end face of the second contact terminal support plate 28, a predetermined preload (preload) is applied to the curved piece portion 22m.

Accordingly, the semiconductor device DV in which the electrode portion DVa of the semiconductor device DV placed on the contact terminal alignment plate 42 is positioned by the hole 42b is pressed by the pressing protrusion 36P of the pressing body 36, and the contact terminal alignment plate 42 is When approaching the second contact terminal support plate 28, the electrode part DVa of the semiconductor device DV is electrically connected to the contact part 22P protruding into the hole 42b.

In the first embodiment of the contact terminal according to the present invention described above, the pair of overhang portions 22fa and the pair of temporary pawl portions 22fc of the board-side fixed terminal portion 22F of the contact terminal 22ai are respectively the first contact terminals. Although it is inserted into the

holes

26d and 26e in the stepped holes 26bi of the support plate 26 and temporarily fixed, it is not limited to such an example, and instead of the stepped holes 26bi of the first contact terminal support plate 26, For example, as shown in FIG. 9, it may be a circular hole 26'e.

In such a case, the pair of temporary locking claws 22′fc of the contact terminal 22′ai is inserted into the circular hole 26′e of the first contact terminal support plate 26 ′ and temporarily fixed, and the pair of overhangs The portion 22′fa may be in contact with the peripheral edge of the hole 26′e.

The contact terminal 22′ai includes a movable contact portion having a contact portion that selectively contacts the electrode portion DVa of the semiconductor device DV and a contact portion 22′fp that contacts the electrode pad of the printed circuit board PCB. Board-side fixed terminal portion 22'F having one end, and a curved curved piece portion as a connecting piece for connecting the movable contact portion and the substrate-side fixed terminal portion 22'F. In the contact terminal 22′ai shown in FIG. 9, the dowels do not have to be formed on the overhanging portion 22′fa.

Also in such an example, when the contact portion 22′fp of the contact terminal 22′ai is pressed, the contact portion 22′fp of the protrusion piece 22′t is brought into contact with the outer surface of the first contact terminal support plate 26 ′. When pushed in until they match, the pair of temporary pawls 22'fc are pushed out of the holes 26'e.

Further, when the first contact terminal support plate 26 'has a circular hole 26'e, for example, as shown in FIG. 10, the pair of temporary fastening claws 22'fc of the contact terminal 22'ai described above. In addition to the above, the contact hook terminal 23 is provided with a temporary locking hook locking piece (hereinafter also referred to as a cut and raised piece) 23fk inserted into the circular hole 26'e of the first contact terminal support plate 26 ', and a protruding piece 23t. You may have in.

The contact terminal 23 has the same configuration as that of the contact terminal 22′ai except for the protruding piece 23t and the overhanging portion 23fa, so the description of the configuration of the other portion is omitted.

The contact terminal 23 is formed on a common axis with the pair of projecting portions 23fa projecting from the other end portion of the curved piece portion along the Y coordinate axis in FIG. 1 and the central axis line of the curved piece portion connected to the projecting portion 23fa. And a protruding piece 23t.

The projecting piece 23t protrudes to the outside from the circular hole 26'e of the first contact terminal support plate 26 ', and has a pair of hook securing claws 23fc adjacent to the pair of overhanging portions 23fa. Further, between the pair of temporary fixing claw portions 23fc, there is formed a temporary fixing locking piece 23fk formed by stamping the protruding piece flange 23t by pressing in the thickness direction.

Also in such an example, when the contact portion 23fp of the contact terminal 23 is pressed, the contact portion 23fp of the projection piece 23t is pushed in until it coincides with the outer surface of the first contact terminal support plate 26 '. Are temporarily pushed out of the hole 26'e.

Further, in the example shown in FIG. 10, the contact terminal 23 has a temporary fastening locking piece 23 fk at one location. However, as shown in FIG. 11, the contact terminal 25 has two temporary fastenings. The locking pieces 25K1 and 25K2 may be provided with a predetermined interval.

The two temporary fixing pieces 25K1 and 25K2 are inserted into the circular holes 26 "e of the first contact terminal support plate 26" and temporarily fixed. The thickness of the first contact terminal support plate 26 ″ is set larger than the thickness of the first contact terminal support plate 26 ′.

Since the contact terminal 25 has the same configuration as that of the contact terminal 23 except for the protruding piece 25t and the overhang portion 25fa, the description of the configuration of the other part is omitted.

The contact terminal 25 is formed on the same axis as the pair of protruding portions 25fa protruding from the other end portion of the curved piece portion along the Y coordinate axis in FIG. 1 and the central axis line of the curved piece portion connected to the extended portion 25fa. And a protruding piece 25t. The projecting piece 25t protrudes to the outside from the circular hole 26''e of the first contact terminal support plate 26 '', and has a pair of temporary locking claws 25fc adjacent to the pair of overhanging parts 25fa. Yes.

Further, between the pair of temporary locking claws 25fc, there is formed a temporary locking locking piece 25K1 formed by punching a protruding piece 25t in one direction in the thickness direction. Further, at a position separated by a predetermined distance on the abutting portion 25fp side with respect to the temporarily fixing locking piece 25K1, the temporarily fixing locking piece 25K2 is formed by punching the protruding piece 25t to the other side in the thickness direction. Yes.

Also in such an example, when the contact portion 25fp of the contact terminal 25 is pressed, the contact portion 25fp of the protruding piece 25t is pushed in until it matches the outer surface of the first contact terminal support plate 26 ″. The pair of temporary locking claws 25fc and the temporary locking locking pieces 25K1 and 25K2 are pushed out from the holes 26 "e.

Furthermore, FIGS. 12 to 20 show modifications of the contact terminal 22ai.

Although the position of the pair of temporary claw portions 22fc on the protruding piece 22t of the contact terminal 22ai described above is a position adjacent to the pair of overhanging portions 22fa, instead of the contact terminal in FIG. The positions of the pair of temporary claw portions 52fc on the protrusion pieces 52t of 52 are set to positions separated from the pair of protruding portions 52fa by a predetermined distance toward the contact portion 52fp.

As shown in FIG. 12A, the stepped hole 56bi in the first contact terminal support plate 56 has an elongated hole 56d along the Y coordinate axis, and a hole 56e perpendicular to the elongated hole 56d along the Z coordinate axis. It consists of.

Since the contact terminal 52 has the same configuration as that of the contact terminal 22ai except for the protruding piece 52t and the overhanging portion 52fa, the description of the configuration of the other portions is omitted.

The board-side fixed terminal portion 52F includes a pair of protruding portions 52fa protruding from the end of the curved piece portion along the Y coordinate axis in FIG. 12A, and a protruding piece 52t continuous to the protruding portion 52fa. Yes.

The projecting piece 52t has a pair of temporary locking claws 52fc that are integrally formed at positions spaced apart from the overhang portions 52fa by a predetermined distance toward the contact portion 52fp. A pair of overhang | projection parts 52fa are inserted in the hole 56d of the above-mentioned stepped hole 56bi.

The pair of claw portions for temporary fixing 52fc is formed in a wedge shape, and is inserted into and engaged with the above-described hole 56e. The length L3 from the temporary pawl portion 52fc to the hole 56d is set to be smaller than the length L4 from the outer surface of the first contact terminal support plate 56 to the contact portion 52fp of the protruding piece 52t. ing.

The circular dowel 52ft is formed at the center of the pair of overhang portions 52fa on one surface. The dowel 52ft is brought into contact with one inner peripheral surface along the X coordinate axis in the hole 56d described above. The length L5 from the circular edge of the dowel 52ft to the bottom surface of the recess in the first contact terminal support plate 56 is set to be smaller than the length L4 described above.

Even in such a configuration, when the contact portion 52fp of the contact terminal 52 is pressed and pushed until the contact portion 52fp of the protruding piece 52t coincides with the outer surface, the pair of overhangs of the board-side fixed terminal portion 52F is provided. The portion 52fa, the dowel 52ft, and the pair of temporary pawl portions 52fc are respectively in a state of a second position pushed out from the hole 56d and the hole 56e from the state of the first position inserted into the hole 56d and the hole 56e. Become.

In FIG. 12 (B), instead of the pair of temporary pawl portions being formed on the protruding piece 52't, the pair of temporary pawl portions 52'fc is integrated with the pair of overhang portions 52'fa. Is formed. The protruding piece 52′t of the contact terminal 52 ′ has an oval dowel 52′ta.

A stepped hole 56'bi in the first contact terminal support plate 56 'is formed from an elongated hole 56'd along the Y coordinate axis and a hole 56'e orthogonal to the elongated hole 56'd along the Z coordinate axis. Become.

The contact terminal 52 ′ is the same as that of the contact terminal 22ai except for the protruding piece 52′t and the overhanging portion 52′fa, and the description thereof will be omitted.

The board-side fixed terminal portion 52'F is connected to a pair of overhang portions 52'fa projecting from the end of the curved piece portion along the Y coordinate axis in FIG. 12B, and a pair of overhang portions 52'fa. And a protruding piece 52′t. The pair of overhang portions 52 ′ fa have a pair of temporary pawl portions 52 ′ fc that are integrally formed at both ends along the Z coordinate axis.

The pair of overhang portions 52'fa is inserted into the hole 56'd of the stepped hole 56'bi described above. The pair of temporary claw portions 52'fc is also inserted into the above-described hole 56'd and engaged with the inner peripheral surface thereof. The length from the temporary pawl portion 52'fc to the inner peripheral surface forming the bottom of the concave portion of the first contact terminal support plate 56 'is from the outer surface of the first contact terminal support plate 56' to the contact portion 52. It is set smaller than the length up to 'fp.

The oval dowel 52'ta is formed at the center of one surface of the protruding piece 52't. The dowel 52'ta is brought into contact with one inner peripheral surface along the X coordinate axis in the hole 56e described above. The length of the dowel 52'ta from the end on the contact portion 52'fp side to the hole 56'd is the length from the outer surface of the first contact terminal support plate 56 'to the contact portion 52'fp. It is set to be smaller than that.

Even in such a configuration, when the contact portion 52'fp of the contact terminal 52 'is pressed, the contact portion 52'fp of the projection piece 52't coincides with the outer surface of the first contact terminal support plate 56'. The pair of overhanging portions 52'fa, the pair of temporary locking claws 52'fc, and the dowel 52'ta of the board-side fixed terminal portion 52'F are From the state of the first position inserted into the second position, the second position is pushed out from the hole 56'd.

In FIG. 12C, the pair of protruding portions 52 ″ fa of the contact terminal 52 ″ have two dowels 52 ″ ft separated from each other by a predetermined distance. The dowel 52 ″ ft is brought into contact with one inner peripheral surface along the X coordinate axis in a hole 56 ″ d described later.

As shown in FIG. 12C, the stepped hole 56 ″ bi in the first contact terminal support plate 56 ″ has an elongated hole 56 ″ d and an elongated slot 56 ″ d along the Y coordinate axis. With respect to the Z coordinate axis. The length of the elongated hole 56 ″ d is set to be larger than the length of the

elongated holes

56d and 56′d shown in FIG.

The contact terminal 52 ″ has the same configuration as that of the contact terminal 22ai except for the protruding piece 52 ″ t and the overhanging portion 52 ″ fa, so the description of the configuration of the other portions is omitted.

The board-side fixed terminal portion 52 ″ F has a pair of projecting portions 52 ″ fa projecting from the end portion of the curved piece portion along the Y coordinate axis in FIG. 12C and a pair of projecting portions 52 ″. and a protruding piece 52 ″ t that is continuous with fa. The protruding piece 52 ″ t has a pair of temporary pawl portions 52′fc adjacent to the pair of overhang portions 52 ″ fa.

The pair of overhang portions 52''fa are inserted into the holes 56''d of the stepped holes 56''bi described above. A pair of temporary claw portions 52''fc is inserted into the hole 56''e and engaged with the inner peripheral surface thereof. The length from the claw portion 52′fc for temporary fixing to the hole 56 ″ d is smaller than the length from the outer surface of the first contact terminal support plate 56 ″ to the contact portion 52 ″ fp. Is set.

Even in such a configuration, when the contact portion 52 ″ fp of the contact terminal 52 ″ is pressed, the contact portion 52 ″ fp of the projection piece 52 ″ t is formed on the first contact terminal support plate 56 ′. When pushed in until it matches the outer surface, the pair of overhanging portions 52 ″ fa of the board-side fixed terminal portion 52 ″ F is moved from the state of the first position inserted into the hole 56 ″ d to the hole 56 ″. The second position pushed out from d is in the second position, and the pair of temporary claw portions 52 ″ fc is also pushed out from the hole 56 ″ e from the first position inserted into the hole 56 ″ e. 2 is in the state.

In FIG. 4 and FIG. 7 described above, in the contact terminal, a circular dowel is formed at the center of the pair of overhang portions on one surface, but the present invention is not limited to such an example. As shown in FIG. 13, a circular dowel may not be formed in the contact terminal 53.

The contact terminal 53 is the same as that of the above-described contact terminal 22ai except for the protruding piece 53t and the overhang portion 53fa.

The board-side fixed terminal portion 53F includes a pair of overhang portions 53fa protruding from the other end portion of the curved piece portion along the Y coordinate axis in FIG. 13A, and a central axis line of the curved piece portion connected to the overhang portion 53fa. And a protruding piece 53t formed on a common axis.

The protruding piece 53t has a pair of temporary pawl portions 53fc as temporary fixing portions integrally formed at a position adjacent to each overhang portion flange 53fa. A pair of overhang | projection parts 53fa are inserted in the hole 26d of the above-mentioned stepped hole 26bi.

The pair of temporary pawl portions 53fc are inserted into and engaged with the holes 26e described above. The length L2 from the pair of temporary pawl portions 53fc to the hole 26d is set to be smaller than the length L1 of the contact portion 53fp protruding from the outer peripheral surface of the first contact terminal support plate 26. .

In the example shown in FIG. 4 and FIG. 7 described above, a pair of temporary claw portions is formed on the protruding piece in the contact terminal. However, as shown in FIG. The pawl part for temporary fixing does not need to be formed.

Since the contact terminal 55 has the same configuration as that of the contact terminal 22ai except for the protruding piece 55t and the overhang portion 55fa, the description of the configuration of the other parts is omitted.

The board-side fixed terminal portion 55F includes a pair of projecting portions 55fa projecting from the other end portion of the curved piece portion along the Y coordinate axis in FIG. 14A, and a central axis line of the curved piece portion connected to the projecting portion 55fa. And a projecting piece 55t formed on a common axis.

The pair of overhang portions 53fa has a circular dowel 55ft as a temporary fixing portion at the center thereof. The pair of overhang portions 53fa and the dowel 55ft are inserted into the hole 26d of the stepped hole 26bi described above.

The length L3 from the edge of the circular dowel 55ft to the bottom surface forming the recess of the first contact terminal support plate 26 is the length of the contact portion 53fp protruding from the outer peripheral surface of the first contact terminal support plate 26. It is set to be smaller than L1.

In FIG. 14, a circular dowel 55ft is formed at the center of the pair of overhang portions 53fa. However, the present invention is not limited to such an example, and instead of the dowel 55ft, as shown in FIG. The contact terminal 59 may have a locking piece 59K.

The contact terminal 59 is the same as that of the above-described contact terminal 22ai except for the protruding piece 59t and the overhanging portion 59fa, and thus the description of the other portions is omitted.

The board-side fixed terminal portion 59F of the contact terminal 59 has a pair of protruding portions 59fa protruding from the other end portion of the curved piece portion along the Y coordinate axis in FIG. 15A, and a curved piece portion connected to the protruding portion 59fa. And a projecting piece 59t formed on a common axis.

The pair of overhanging portions 59fa has a locking piece 59K as a temporary fixing portion at the center thereof. One end of the locking piece 59K punched and formed by pressing is in contact with the inner peripheral surface of the hole 57d by a predetermined elastic force.

The pair of overhang portions 59fa and the locking pieces 59K are inserted into the elongated holes 57d of the stepped holes of the first contact terminal support plate 57. The length L4 from the base end connecting portion of the locking piece 59K to the bottom surface forming the concave portion of the first contact terminal support plate 57 is the length of the contact portion 59fp protruding from the outer peripheral surface of the first contact terminal support plate 57. It is set smaller than the length L1.

The contact terminal 59 has a locking piece 59K as a temporary fixing portion at the center of the pair of overhanging portions 53fa. However, as shown in FIG. In addition to 59′K, a pair of temporary claw portions 59′fc as a temporary fixing portion may be provided adjacent to the pair of overhang portions 53fa.

The contact terminal 59 ′ has the same configuration as that of the above-described contact terminal 59 except for the protruding piece 59′t and the overhang portion 59′fa, and thus the description of the configuration of the other portions is omitted.

The board-side fixed terminal portion 59′F is curved to be connected to the pair of overhang portions 59′fa that project from the other end portion of the curved piece portion along the Y coordinate axis in FIG. 16A and the overhang portion 59′fa. It has a projecting piece 59't formed on the central axis of the one part and the common axis.

Furthermore, in FIG. 13 described above, the protruding piece 53t has a pair of temporary pawl portions 53fc as temporary fixing portions integrally formed at positions adjacent to the overhang portions 53fa. As shown in FIG. 17, the protrusions 53 ′ t of the contact terminals 53 ′ are integrally formed at positions spaced apart from each overhanging portion 53 ′ by a predetermined distance on the contact portion 53 ′ fp side. You may have a pair of nail | claw part 53'fc for temporary fixing as a temporary fixing collar part.

The contact terminal 53 ′ is the same as that of the contact terminal 53 except for the protruding piece 53 ′ t and the protruding portion 53 ′ fa, so the description of the other parts is omitted.

The board-side fixed terminal portion 53'F is connected to the pair of overhang portions 53'fa projecting from the other end portion of the curved piece portion along the Y coordinate axis in FIG. It has a projecting piece 53′t formed on the common axis with the central axis of the one part.

The projecting piece 53't has a pair of temporary locking claws 53'fc formed integrally at a position separated from each overhanging portion 53'fa by a predetermined distance toward the contact portion 53'fp. Yes. The pair of overhang portions 53 ′ fa are inserted into the elongated holes 86 d of the stepped holes of the first contact terminal support plate 86. The pair of temporary pawl portions 53'fc are inserted into and engaged with a hole 86e communicating with the elongated hole 86d.

In FIG. 12B, the protruding piece 52′t of the contact terminal 52 ′ has an oval dowel 52′ta. Instead, the protruding piece 51t of the contact terminal 51 is pressed. It may have a locking piece 51K that is punched and formed by the above method.

Since the contact terminal 51 has the same configuration as that of the contact terminal 52 ′ except for the protruding piece 51t and the overhanging portion 51fa, the description of the configuration of the other portions is omitted.

The board-side fixed terminal portion 51F has a pair of protruding portions 51fa protruding from the end of the curved piece portion along the Y coordinate axis in FIG. 17B, and a protruding piece 51t connected to the pair of protruding portions 51fa. is doing. The pair of overhang portions 51fa has a pair of temporary locking claw portions 51fc formed integrally at both ends along the Z coordinate axis.

The pair of overhang portions 51fa is inserted into the elongated hole 57d of the stepped hole described above. The pair of temporary pawl portions 51fc is also inserted into the hole 57d and engaged with the inner peripheral surface thereof. Further, the tip of the locking piece 51K as the temporary locking portion is brought into contact with and locked to the inner peripheral surface of the hole 57e communicating with the hole 57d.

In all the examples of the contact terminal according to the present invention described above, the contact terminal 82 has a pair of temporary pawls, but as shown in FIG. It may have one temporary claw portion 82fc.

Since the contact terminal 82 has the same configuration as that of the contact terminal 53 shown in FIG. 13A except for the protruding piece 82t and the overhanging portion 82fa, the description of the configuration of the other portions is omitted. .

The board-side fixed terminal portion 82F of the contact terminal 82 includes a pair of protruding portions 82fa protruding from the other end portion of the curved piece portion along the Y coordinate axis in FIG. 17C, and a curved piece portion connected to the protruding portion 82fa. And a projecting piece 82t formed on a common axis.

The protruding piece 82t has a temporary claw portion 82fc as a temporary fixing portion integrally formed at a position adjacent to the left overhanging portion 82fa. The pair of overhang portions 82fa are inserted into the holes 26d of the stepped holes 26bi. The temporary claw portion 82fc is inserted and engaged with the hole 26e. The protruding piece 82t may be integrally formed at a position adjacent to the right overhanging portion 82fa.

In addition, in all examples of the contact terminal according to the present invention described above, the contact terminal 88 includes a pair of overhang portions. However, as shown in FIG. It may have 88fa.

The contact terminal 88 has the same configuration as that of the contact terminal 53 shown in FIG. 13A except for the protruding piece 88t and the overhanging portion 88fa, so that the description of the configuration of the other portions is omitted. .

The board-side fixed terminal portion 88F of the contact terminal 88 includes a protruding portion 88fa protruding to the left along the Y coordinate axis in FIG. 17D from the other end portion of the bending piece portion, and a bending piece portion connected to the protruding portion 88fa. And a projection piece 88t formed on a common axis.

The protruding piece 88t has a temporary claw portion 88fc as a temporary fixing portion integrally formed on the right side surface. The overhang portion 88fa is inserted into an elongated hole 84d having a stepped hole biased to one side of the first contact terminal support plate 84. Temporary claw portion 88fc is inserted and engaged in hole 84e. The overhanging portion 88fa may overhang to the right side along the Y coordinate axis, and the temporary locking claw portion 88fc of the protruding piece 8 8t may be integrally formed on the left side surface.

Furthermore, in all the examples of the contact terminal according to the present invention described above, the contact terminal has at least one projecting portion. However, as shown in FIG. The protrusion piece may be provided with a dowel as a temporary fixing portion or a locking piece without having a portion.

In FIG. 18, the first contact terminal support plate 96 has a through hole 96 having a substantially rectangular cross section corresponding to the board-side fixed terminal portion 74F of the contact terminal 74. The contact terminal 74 has the same configuration as that of the contact terminal 22ai described above except for the protruding piece 74t and the overhanging portion, so that the description of the configuration of the other portions is omitted.

The board-side fixed terminal portion 74F of the contact terminal 74 has a protruding piece 74t that is connected to the curved piece portion and formed on the common axis with the central axis of the curved piece portion. The protruding piece 74t has a pair of temporary pawl portions 74fc.

The pair of temporary pawl portions 74fc are engaged with the inner peripheral surface of the hole 96e. In addition, a substantially circular dowel 74 ft may be integrally formed between the pair of temporary pawl portions 74 fc. In such a case, the dowel 74ft is in contact with the inner peripheral surface of the through hole 96e along the X coordinate axis shown in FIG.

Further, in FIGS. 18C and 18D, the protrusion piece 74′t does not have the pair of temporary claw portions 74fc as described above, and instead, the protrusion piece 74′t has a circular shape. A configuration including only the dowel 74'ft may be used.

Further, in FIGS. 18E and 18F, the board-side fixed terminal portion 74 ″ F of the contact terminal 74 ″ is connected to the other end portion of the curved piece portion and has a common axis with the central axis of the curved piece portion. It has a protruding piece 74 ″ t formed on the line.

The protrusion piece 74 ″ t has a locking piece 74 ″ K as a temporary fixing portion at the center thereof. One end of the locking piece 74 ″ K punched and formed by pressing is in contact with the inner peripheral surface of the through hole 96′e of the first contact terminal support plate 96 ′ by a predetermined elastic force. .

Furthermore, in the example shown in FIG. 19A, the pair of temporary pawls 62fc is not formed on the projection 62t, and the pair of temporary pawls 62fc is a pair of overhangs. It is formed integrally with the part 62fa.

The stepped hole 66bi in the first contact terminal support plate 66 includes an elongated groove 66d1 along the Y coordinate axis and a hole 66e perpendicular to the elongated groove 66d1 along the Z coordinate axis. Since the contact terminal 62 has the same configuration as that of the contact terminal 22ai except for the protruding piece 62t and the overhanging portion 62fa, the description of the configuration of the other portions is omitted.

The board-side fixed terminal portion 62F of the contact terminal 62 has a pair of projecting portions 62fa projecting from the end of the curved piece portion along the Y coordinate axis in FIG. 19A, and a cylindrical shape continuing to the pair of projecting portions 62fa. Projection part 62t. The pair of overhang portions 62fa has a pair of temporary locking claws 62fc that are integrally formed at both ends along the Z coordinate axis.

The pair of overhang portions 62fa is inserted into the groove 66d1 of the stepped hole 66bi described above. The pair of temporary pawl portions 62fc are also inserted into the groove 66d1 and engaged with the inner peripheral surface thereof. The length from the temporary pawl 62 fc to the inner peripheral surface forming the bottom of the recess of the first contact terminal support plate 66 is the length from the outer surface of the first contact terminal support plate 66 to the contact portion 62 fp. It is set smaller than

The dowel 62ft is formed at the center of the pair of overhang portions 62fa on one surface. The dowel 62ft is brought into contact with one inner peripheral surface along the X coordinate axis in the groove 66d1 described above.

Even in such a configuration, when the contact portion 62fp of the contact terminal 62 is pressed and the contact portion 62fp of the protrusion 62t is pushed in until it coincides with the outer surface of the first contact terminal support plate 66, the substrate side The pair of overhang portions 62fa and the pair of temporary locking claws 62fc of the fixed terminal portion 62F are respectively in a second position state that is pushed out of the groove 66d1 from a state of the first position inserted into the groove 66d1. .

In the example shown in FIG. 20 (A), the pair of overhanging portions 64fa of the board-side fixed terminal portion 64F of the contact terminal 64 has a gate-shaped cross section and does not have a dowel.

As shown in FIG. 20A, the stepped hole 68bi in the first contact terminal support plate 68 includes an elongated hole 68d2 along the Y coordinate axis, and a hole 68d1 orthogonal to the elongated hole 68d2 along the Z coordinate axis. It consists of.

The contact terminal 64 has the same configuration as that of the above-described contact terminal 22ai except for the protruding piece 64t and the overhanging portion 64fa, so that the description of the configuration of the other portions is omitted.

The board-side fixed terminal portion 64F of the contact terminal 64 includes a pair of projecting portions 64fa projecting from the end of the curved piece portion along the Y coordinate axis in FIG. 20A, and a projecting piece 64t extending to the projecting portion 64fa. have.

The protruding piece 64t has a pair of temporary claw portions 64fc adjacent to the pair of overhang portions 64fa. The pair of temporary pawl portions 64fc are inserted into and engaged with the hole 68d1 described above. The pair of overhang portions 64fa is inserted into the hole 68d2 of the stepped hole 68bi described above. Further, the pair of overhanging portions 64fa has a pair of temporary pawl portions 64fac that are engaged with the inner peripheral surface of the hole 68 d2 along the X coordinate axis in FIG.

The length from the temporary pawl portion 64fc to the inner peripheral surface forming the bottom of the concave portion of the first contact terminal support plate 68 is the length from the outer surface of the first contact terminal support plate 68 to the contact portion 64fp. It is set smaller than

Also in such a configuration, when the contact portion 64fp of the contact terminal 64 is pressed and pushed until the contact portion 64fp coincides with the outer surface, the pair of overhang portions 64fa and the pair of the board-side fixed terminal portion 64F are provided. The temporary locking claw portion 64fac is in the second position where it is pushed out of the hole 68d2 from the first position where it is inserted into the hole 68d2. In addition, the pair of temporary pawl portions 64fc is also in the second position where it is pushed out of the hole 68d1 from the state of the first position inserted into the hole 68d1.

FIG. 21 shows a second embodiment of the contact terminal according to the present invention. In FIG. 21, the contact terminal 16ai is made of a sheet metal material such as beryllium copper by pressing. For example, the contact terminal 16ai includes a movable contact portion 16C having a contact portion 16P that selectively contacts the electrode portion DVa of the semiconductor device DV, and a contact portion 16fp that contacts the electrode pad of the printed circuit board PCB. The board-side fixed terminal portion 16F at one end and the curved curved piece portion 16m connecting the contact portion 16C and the substrate-side fixed terminal portion 16F are configured.

The elastically displaceable curved piece portion 16m is, for example, a strip-like piece having a predetermined width along the X coordinate axis in FIG. The curved piece 16m is, for example, formed in a convex shape toward one side along the X coordinate axis in FIG.

The movable contact portion 16C of the contact terminal 16ai is inserted into the through hole 28'ai of the second contact terminal support plate 28 '.

The board-side fixed terminal portion 16F has a pair of overhang portions 16fa protruding from the end of the curved piece portion 16m along the X coordinate axis in FIG. 21A, and the central axis of the curved piece portion 16m connected to the overhang portion 16fa. And a protruding piece 16t formed on a common axis.

The projecting piece 16t has a pair of temporary claw portions 16fc that are integrally formed at positions adjacent to the overhang portions 16fa. The pair of overhang portions 16fa are inserted into the holes 18d of the stepped holes 18bi of the first contact terminal support plate 18.

The pair of temporary pawl portions 16fc are inserted into and engaged with the holes 18e of the stepped holes 18bi. The length from the temporary pawl portion 16fc to the inner peripheral surface forming the bottom of the concave portion of the first contact terminal support plate 18 is larger than the length from the temporary pawl portion 16fc to the contact portion 16fp. It is set to small.

At that time, the dowel 16ft is brought into contact with one inner peripheral surface along the Y coordinate axis in the hole 18d described above. The dowel 16ft is formed at the center of the pair of overhang portions 16fa on one surface.

Further, after the pair of overhang portions 16fa and the pair of temporary pawl portions 16fc are inserted into the

holes

18d and 18e, respectively, the outer surface of the first contact terminal support plate 18 as shown in FIG. The contact portion 16fp of the protruding piece 16t of the board-side fixed terminal portion 16F protruding from the substrate is pressed by a predetermined pressure.

Thereby, when it pushes in until contact part 16fp corresponds with an outer surface, it will push out from hole 18d and hole 18e. At that time, the contact portion 16C of each contact terminal 16ai automatically enters the hole 42 'of the stepped hole 42'ai of the contact terminal alignment plate 42' through the hole 28'ai of the second contact terminal support plate 28 '. inserted into e.

The contact terminal 22ai and the contact terminal alignment plate 42 in the contact pin module 20 described above correspond to the respective electrode portions DVa of the BGA type semiconductor device DV. However, as shown in FIG. It may correspond to each electrode part of the semiconductor device. 23 and 24, the same components as those in the example shown in FIG. 7 are denoted by the same reference numerals, and redundant description thereof is omitted.

The contact terminal alignment plate 42 ′ is formed, for example, in a substantially square shape with a resin material, and has a plurality of through holes 42 ′ facing each electrode portion of the semiconductor device to be placed. The through hole 42'e has a substantially rectangular cross section. Since the contact terminal alignment plate 42 'has the same configuration as that of the contact terminal alignment plate 42 described above except for the through hole 42'e, the description of the configuration of the other portions is omitted.

The contact terminal 100ai is made of, for example, the same material as that of the contact terminal 22ai described above. The contact terminal 100ai includes a movable contact portion 100C having a pointed contact portion 100P that is selectively brought into contact with the electrode portion of the semiconductor device, and a contact portion 100fp that is brought into contact with an electrode pad of the printed wiring board PCB. Board-side fixed terminal portion 100F having one end, and a curved curved piece portion 100m as a connecting piece for connecting the movable contact portion 100C and the substrate-side fixed terminal portion 100F.

The movable contact portion 100C has a pair of projecting portions 100ca projecting along the Y coordinate axis in FIG. 23 (A) in the vicinity of one end portion of the curved piece portion 100m described later.

The elastically displaceable curved piece 100m is, for example, a strip-like piece having a predetermined width along the Y coordinate axis in FIG. For example, the curved piece 100m is formed in a convex shape toward one side along the X coordinate axis in FIG.

The board-side fixed terminal portion 100F includes a pair of overhang portions 100fa protruding from the other end portion of the curved piece portion 100m along the Y coordinate axis in FIG. 23A, and the center of the curved piece portion 100m connected to the overhang portion 100fa. And a projecting piece 100t formed on an axis common to the axis.

The protruding piece 100t has a pair of temporary claw portions 100fc as temporary fixing portions that are integrally formed at positions adjacent to the overhang portions 100fa. The pair of overhang portions 100fa are inserted into the holes 26d of the stepped holes 26bi.

A pair of temporary claw portions 100fc is inserted into and engaged with the hole 26e described above. The distance from the temporary pawl portion 100fc to the elongated hole 26d is set to be smaller than the length of the contact portion 100fp protruding from the outer peripheral surface of the first contact terminal support plate 26.

At this time, the substantially circular dowel 100ft is brought into contact with one inner peripheral surface along the Y coordinate axis in the hole 26d described above. The dowel 100ft is formed at the center of the pair of overhang portions 100fa on one surface.

The distance from the circular edge of the dowel 100 ft to the inner bottom surface of the recess 26 A is set smaller than the length of the contact portion 100 fp protruding from the outer peripheral surface of the first contact terminal support plate 26. . The dowel 100ft functions not only to prevent the contact terminal 100ai from collapsing in the X-coordinate axis direction, but also functions as a temporary fixing portion.

The pair of overhanging portions 100fa, dowels 100ft, and the pair of temporary claw portions 100fc are inserted into the

holes

26d and 26e, respectively, and then, as shown in FIG. When the contact portion 100fp of the projection piece 100t of the board-side fixed terminal portion 100F protruding from the outer surface of the plate 26 is pressed by a predetermined pressure F, the hole 26d is pushed in until the contact portion 100fp matches the outer surface. And extruded from the hole 26e.

The contact terminal 22ai in the contact pin module 20 described above includes a curved piece portion 22m having one convex portion. For example, as shown in FIGS. 25 and 26, the contact terminal 102ai has two convex portions. A curved piece portion 102m having a portion may be provided. 25 and FIG. 26, the same components as those in the example shown in FIG. 7 are denoted by the same reference numerals, and redundant description thereof is omitted.

The contact terminal 102ai is made of, for example, the same material as that of the contact terminal 22ai described above. The contact terminal 102ai includes a movable contact portion 102C having a contact portion 102P that is selectively brought into contact with an electrode portion of a BGA type semiconductor device, and a contact portion 102fp that is brought into contact with an electrode pad of the printed wiring board PCB. The substrate-side fixed terminal portion 102F at one end and a curved curved piece portion 102m as a connecting piece for connecting the movable contact portion 102C and the substrate-side fixed terminal portion 102F are configured.

The movable contact portion 102C has a pair of projecting portions 100ca projecting along the Y coordinate axis in FIG. 25A in the vicinity of one end portion of the curved piece portion 102m described later.

The elastically displaceable curved piece 102m is, for example, a strip-like piece having a predetermined width along the Y coordinate axis in FIG. For example, the curved piece portion 100m is connected to the first portion 102m1 formed in a convex shape toward one side along the X coordinate axis in FIG. 25A and the first portion 102m1 in FIG. 25A. The second portion 102m2 is formed in a convex shape toward the other along the X coordinate axis.

One end of the second portion 102m2 is connected to the vicinity of the overhanging portion 100ca of the movable contact portion 1 02C, and one end of the first portion 102m1 is near to a pair of overhanging portions 102fa of the board-side fixed terminal portion 102F described later. It is connected.

The board-side fixed terminal portion 102F includes a pair of protruding portions 102fa protruding from one end of the first portion 102m1 of the bending piece portion 102m along the Y coordinate axis in FIG. 25A, and a bending piece connected to the protruding portion 102fa. It has a protruding piece 102t formed on a common axis with the central axis of the portion 102m.

The projecting piece 102t has a pair of temporary claw portions 102fc as temporary fixing portions integrally formed at positions adjacent to the overhang portions 102fa. The pair of overhang portions 102fa are inserted into the holes 26d of the stepped holes 26bi.

The pair of temporary pawl portions 102fc are inserted into and engaged with the holes 26e described above. The distance from the temporary claw portion 102fc to the elongated hole 26d is set to be smaller than the length of the contact portion 102fp protruding from the outer peripheral surface of the first contact terminal support plate 26.

At this time, the substantially circular dowel 102ft is brought into contact with one inner peripheral surface along the Y coordinate axis in the hole 26d described above. The dowel 102ft is formed at the center of the pair of overhang portions 100fa on one surface.

The distance from the circular edge of the dowel 102 ft to the inner bottom surface of the recess 26 A is set to be smaller than the length of the abutting portion 1 02 fp protruding from the outer peripheral surface of the first contact terminal support plate 26. Yes. The dowel 102 ft functions to prevent the contact terminal 100 ai from collapsing in the X coordinate axis direction, and also functions as a temporary fixing portion.

Also, the pair of overhanging portions 102fa, dowels 102ft, and the pair of temporary locking claws 102fc are inserted into the

holes

26d and 26e, respectively, and then the first contact terminal support as shown in FIG. When the contact portion 102fp of the projection piece 102t of the board-side fixed terminal portion 10F 2F protruding from the outer surface of the plate 26 is pressed by a predetermined pressure, the hole 26d is pushed in until the contact portion 102fp matches the outer surface. And extruded from the hole 26e.

FIG. 27 shows a main part of another example of the contact pin module according to the present invention. The contact pin module 20 shown in FIG. 1 includes a pair of overhang portions 22fa and a pair of temporary locking claws 22fc of the board-side fixed terminal portion 22F of the contact terminals 22ai. It is configured to be inserted into the

holes

26d and 26e of the stepped holes 26bi and temporarily fixed.

In the example shown in FIG. 27, the pair of overhanging portions 72fa and the pair of temporary pawl portions 72fc of the movable contact portion 72C of the contact terminal 72ai are respectively provided with stepped holes 70bi of the second contact terminal support plate 70. It is configured to be inserted into the hole 70d and hole 70e and temporarily fixed. In FIG. 27 and FIG. 28, the same components as those in the example shown in FIG.

In FIG. 27, the contact pin module includes a positioning member (not shown) for positioning the mounted semiconductor device DV with respect to the contact terminal alignment plate 42, a contact terminal alignment plate 42 connected to the positioning member, and a printed wiring board PCB. A first contact terminal support plate 76 that is disposed opposite to one surface portion of the contact terminal 72a and supports a substrate-side fixed terminal portion 72F of a contact terminal 72ai to be described later, and is connected to the contact terminal alignment plate 42 so that the movable contact portion 72C can be moved. A plurality of second contact terminal support plates 70 to be supported, and a plurality of contacts disposed between the first contact terminal support plates 76 and the second contact terminal support plates 70 to electrically connect the semiconductor device DV and the printed wiring board PCB. Contact terminals 72ai (i = 1 to n, n is a positive integer) as main elements It has been.

The first contact terminal support plate 76 is formed, for example, in a substantially square shape with a resin material, and has a recess 76A in the center. The surface of the second contact terminal support plate 70 is in contact with the periphery of the opening end of the recess 76 A in the first contact terminal support plate 76.

The outer dimension of the first contact terminal support plate 76 is set slightly smaller than the outer dimension of the second contact terminal support plate 70. A hole 76e is formed on a central axis common to a stepped hole 72bi of a second contact terminal support plate 70, which will be described later, in a portion forming the bottom surface inside the recess 76A.

The second contact terminal support plate 70 is formed, for example, in a substantially square shape with a resin material, and has a stepped hole 70bi (i = 1 to n, i) in the center axis common to each stepped hole 42ai in the contact terminal alignment plate 42. n is a positive integer).

The outer dimension of the second contact terminal support plate 70 is set slightly larger than the outer dimension of the contact terminal alignment plate 42. The plurality of stepped holes 70bi are formed vertically and horizontally corresponding to the stepped holes 42ai. The stepped hole 70bi has, for example, a substantially rectangular cross section, and penetrates along the Z coordinate axis in the orthogonal coordinates in FIG. The stepped hole 70bi includes an elongated hole 70d along the Y coordinate axis and a hole 70e perpendicular to the elongated hole 70d along the Z coordinate axis.

A recess (not shown) for receiving one end of a coil spring (not shown) is formed around the plurality of stepped holes 70bi at positions corresponding to the respective corners of the second contact terminal support plate 70.

The coil spring urges the contact terminal alignment plate 42 in a direction in which the contact terminal alignment plate 42 is separated from the second contact terminal support plate rod 70. As a result, the contact terminal alignment plate 42 is disposed so as to be close to or separated from the second contact terminal support plate 70.

The contact terminal 72ai, which is a third embodiment of the contact terminal according to the present invention, is made of a sheet metal material, for example, beryllium copper, by pressing. The contact terminal 72ai includes, for example, a movable contact portion 72C having a contact portion 72P that selectively contacts the electrode portion DVa of the semiconductor device DV, and a contact portion 72fp that contacts the electrode pad of the printed wiring board PCB. Board-side fixed terminal portion 72F having one end and a curved curved piece portion 72m connecting the movable contact portion 72C and the substrate-side fixed terminal portion 72F.

The elastically displaceable curved piece 72m is, for example, a strip-like piece having a predetermined width along the Y coordinate axis in FIG. For example, the curved piece portion 72m is formed in a convex shape toward one side along the X coordinate axis in FIG.

The board-side fixed terminal portion 72F has a pair of projecting portions 72fb that project from one end of the curved piece portion 72m along the Y coordinate axis in FIG. When the semiconductor device DV is placed on the contact terminal alignment plate 42, the pair of overhang portions 72fb are locked to the outer peripheral edge of the hole 76e as shown in FIGS.

The movable contact portion 72C is integrally formed at a position adjacent to each of the overhanging portions 72fa, and a pair of overhanging portions 72fa protruding along the Y coordinate axis in FIG. 27A from the other end of the curved piece portion 72m. A pair of temporary claw portions 72fc.

The pair of overhang portions 72fa is inserted into the hole 70d of the stepped hole 70bi described above. The pair of temporary pawl portions 72fc are inserted into and engaged with the hole 70e described above. The length from the pawl portion for temporary fixing 72 fc to the surface of the second contact terminal support plate 70 facing the first contact terminal support plate 76 is the inner surface of the first contact terminal support plate 76 from the pair of overhang portions 72 fb. It is set smaller than the distance between each other.

At that time, the dowel 72 ft is brought into contact with one inner peripheral surface along the X coordinate axis in the hole 70 d described above. The dowel 72ft is formed at the center of the pair of overhang portions 72fa on one surface.

The board-side fixed terminal portion 72F has a pair of protruding portions 72fb protruding along the Y coordinate axis in FIG.

Further, after the pair of overhang portions 72fa and the pair of temporary pawl portions 72fc are inserted into the

holes

70d and 70e, respectively, as shown in FIG. 28, the stepped holes 42ai of the contact terminal alignment plate 42 are provided. When the contact portion 72P of the movable contact portion 72C protruding in the direction is pressed by the electrode portion DVa of the semiconductor device DV, the pair of overhang portions 72fa and the pair of temporary pawl portions 72fc are pushed out from the

holes

70d and 70e. It is.

Accordingly, since the first contact terminal support plate 76 is assembled in a state where the movable contact portion 72C of the contact terminal 72ai is supported by the second contact terminal support plate 70, a plurality of contact terminals 72ai can be used also by, for example, an automatic assembly machine. Can be easily assembled to the first contact terminal support plate 76 and the second contact terminal support plate 70.

In FIG. 27, the movable contact portion 72C of the contact terminal 72ai includes a pair of overhang portions 72fa protruding from the other end portion of the curved piece portion 72m along the Y coordinate axis in FIG. 27A, and a dowel 72ft. The board-side fixed terminal portion 72F has a pair of protruding portions 72fb protruding along the Y coordinate axis in FIG. 27A, but as shown in FIG. 29, the contact terminal 72′ai The movable contact portion 72′C may have a pair of overhang portions 72′fa and a circular dowel 72′ft at a position separated from the overhang portion 72′fa by a predetermined distance.

29 and 30, the same components as those in the example shown in FIG. 27 are denoted by the same reference numerals, and redundant description thereof is omitted.

The second contact terminal support plate 70 'is formed into a substantially square shape with, for example, a resin material. The second contact terminal support plate 70 ′ has a through hole 70 ′ e having a substantially rectangular cross section on a central axis common to the stepped holes 42 ai in the contact terminal alignment plate 42.

The plurality of stepped holes 70'e are formed vertically and horizontally corresponding to the stepped holes 42ai. The second contact terminal support plate 70 ′ is the same as that of the second contact terminal support plate 70 except for the through-hole 70 ′ e, and the description of the other parts is omitted. To do.

The contact terminal 72′ai is formed of the same material as that of the contact terminal 72ai described above. The contact terminal 72′ai contacts, for example, a movable contact portion 72′C having a contact portion 72′P that selectively contacts the electrode portion DVa of the semiconductor device DV, and an electrode pad of the printed wiring board PCB. A board-side fixed terminal part 72′F having a contact part 72′fp at one end thereof, a curved curved piece part 72′m connecting the movable contact part 72′C and the board-side fixed terminal part 72′F, , Including.

The elastically displaceable curved piece 72′m is a strip having a predetermined width along the Y coordinate axis in FIG. For example, the curved piece portion 72′m is formed in a convex shape toward one side along the X coordinate axis in FIG.

The movable contact portion 72′C extends from the other end portion of the curved piece portion 72′m to a pair of overhang portions 72′fa extending along the Y coordinate axis in FIG. 29A, and to each overhang portion 72′fa. A pair of temporary claw portions 72'fc and a temporary claw portion 72'fc are formed integrally with each other at a predetermined distance from the contact portion 72'P. And a crucible 72'ft.

As shown in FIG. 30, the pair of overhang portions 72 ′ fa are locked to the end surface of the second contact terminal support plate 70. The pair of temporary pawl portions 72'fc are inserted into and engaged with the above-described holes 70'e. At that time, the dowel 72'ft is brought into contact with one inner peripheral surface along the X coordinate axis in the hole 70'e described above.

The pair of pawls 72′fc and dowels 72′ft for temporary fixing are respectively inserted into the holes 70′e and then applied to the board-side fixed terminal portion 72′F as shown in FIG. By pressing the contact portion 72 ′ fp, the pair of temporary pawl portions 72 ′ fc and dowels 72 ′ ft are pushed out from the holes 70 ′ e. At that time, the pair of overhang portions 72 ′ fa are locked to the end surface of the second contact terminal support plate 70, so that a predetermined preload is applied to the curved piece portion 72 ′ m.

Further, in the example shown in FIG. 27 and FIG. 28 described above, the pair of overhanging portions 72fa and the pair of temporary pawl portions 72fc of the movable contact portion 72C of the contact terminal 72ai are respectively supported by the second contact terminal. The plate 70 is configured to be inserted into the hole 70d and hole 70e of the stepped hole 70 bi and temporarily fixed.

In such a configuration, the pair of overhang portions 72fa and the pair of temporary pawl portions 72fc are inserted into the

holes

70d and 70e, respectively, and then protruded into the stepped holes 42ai of the contact terminal alignment plate 42. The contact part 72P of the part 72C is pressed by the electrode part DVa of the semiconductor device DV.

As a result, the pair of temporarily fixed overhanging portions 72fa and the pair of temporary locking claw portions 7ｆ2fc are pushed out from the

holes

70d and 70e of the second contact terminal support plate 70. When the terminal alignment plate 42 is not provided and the positioning member 40 is directly supported by the second contact terminal support plate 70, the contact terminals 75 of the configuration shown in FIGS. A configuration may be employed in which the pair of temporary pawl portions 75fc and the dowel 75ft of the contact portion 75C are pulled out.

That is, the second contact terminal support from the state in which the pair of temporary pawl portions 75fc and the dowel 75ft of the contact portion 75C of the contact terminal 75 are temporarily fixed to the inner peripheral surface of the hole 70e (see FIG. 31). You may comprise so that it may pull out toward the positioning member 40 from the hole 70e of the board 70 (refer FIG. 32). 31, 32, and 33, the same components as those in the example shown in FIG. 27 are denoted by the same reference numerals, and redundant description thereof is omitted.

The contact terminal 75 is made of a sheet metal material, for example, beryllium copper by pressing. The contact terminal 75 includes, for example, a movable contact portion 75C having a contact portion 75P that selectively contacts the electrode portion DVa of the semiconductor device DV, and a contact portion that contacts the electrode pad of the printed wiring board PCB. A substrate-side fixed terminal portion (not shown) provided at one end, and a coil spring 77 that urges the movable contact portion 75C and the substrate-side fixed terminal portion in a direction away from each other are configured.

The movable contact portion 75C has a substantially U-shaped cross section, and includes a pair of projecting portions 75fa projecting along the Y coordinate axis in FIG. 31A and a projecting piece 75t continuous to the projecting portion 75fa. The projecting piece 75t has a pair of temporary pawl portions 75fc that are integrally formed at a predetermined position.

The pair of overhang portions 75fa take a position separated from the hole 70d and a position inserted into the hole 70d of the stepped hole 70bi (see FIG. 32A). The pair of temporary pawl portions 75fc takes a position to be inserted into the hole 70e and engaged with the inner peripheral surface, and a position protruding from the hole 70e (see FIG. 32A). At that time, the dowel 75 ft is brought into contact with one inner peripheral surface along the X coordinate axis in the hole 70 e described above. The dowel 75 ft is formed at the center of the projecting piece 75 t.

As shown in FIG. 32, when the protruding piece 75t is pulled toward the positioning member 40, the pair of overhanging portions 75fa are inserted into the holes 70d, and then the pair of temporary pawl portions 75fc and Each of the holes 75ft is pulled out from the hole 70e. Thereby, the movable contact portion 75C and the board-side fixed terminal portion can be brought close to or separated from each other.

Accordingly, the first contact terminal support plate is assembled with the movable contact portion 75C of the contact terminal 75 supported by the second contact terminal support plate 70. The first contact terminal support plate and the second contact terminal support plate 70 can be easily assembled.

Furthermore, the plurality of contact terminals each having a pair of temporary claw portions are not limited to the contact terminals made by press working, but may be a plurality of probe pins 78 as shown in FIG. .

The probe pin 78 includes, for example, a device-side plunger 76 having a contact portion 76C that selectively contacts the electrode portion DVa of the semiconductor device DV, and a contact portion that contacts the electrode pad of the printed circuit board PCB. A substrate-side plunger (not shown) provided at one end, a coil spring (not shown) that urges the device-side plunger 76 and the substrate-side plunger in a direction away from each other, a base end portion of the device-side plunger 76, and a substrate-side plunger And a sleeve 79 for accommodating a coil spring.

The device-side plunger 76 has a pair of temporary fixing ring portions 76fc formed integrally at a predetermined position. The temporary fixing ring portion 75fc takes a position where it is inserted into the hole 70e and engaged with the inner peripheral surface, and a position protruding from the hole 70e (see FIG. 33B).

Accordingly, the first contact terminal support plate is assembled with the device side plunger 76 of the probe pin 78 supported by the second contact terminal support plate 70. Can be easily assembled to the first contact terminal support plate and the second contact terminal support plate 70.

In the above example, the board-side fixed terminal portion of the contact terminal has a pair of temporary pawls at one location, but has, for example, a plurality of temporary pawl portions at multiple locations. It may be.

16ai, 22ai, 52, 52 ′, 52 ″, 62, 64, 72ai, 74, 75 Contact terminal 20 Contact pin module 26 First contact

terminal support substrate

28, 70 Second contact terminal support substrate 40 Positioning substrate DV Semiconductor device

Claims

A movable contact portion having a contact portion that comes into contact with the electrode portion of the semiconductor device at one end, a substrate-side fixed terminal portion having a contact portion that comes into contact with the electrode portion of the wiring board, the movable contact portion, An elastic connecting piece for connecting the board-side fixed terminal portion;
The substrate-side fixed terminal portion or the movable contact portion has at least one temporary fixing portion, and the temporary fixing portion is a concave portion of a contact terminal support substrate disposed at at least one of both ends of the connecting piece. A contact terminal having a first position engaged with an inner peripheral surface and a second position taken out from the recess.
2. The contact terminal according to claim 1, wherein the temporary fixing portion is one of a temporary pawl portion, a dowel, and a cut and raised piece.
Either or both of the board-side fixed terminal part and the movable contact part have an overhanging part engaged with the recess, and the temporary fixing part is a tension of the board-side fixed terminal part. The contact terminal according to claim 1, wherein the contact terminal is formed adjacent to or spaced apart from the protruding portion.
4. The contact terminal according to claim 3, wherein a width of the protruding portion of the board-side fixed terminal portion is larger than a corresponding width of the at least one temporary fixing portion.
A movable contact portion having a contact portion that comes into contact with the electrode portion of the semiconductor device at one end, a substrate-side fixed terminal portion having a contact portion that comes into contact with the electrode portion of the wiring board, the movable contact portion, A connecting piece having elasticity for connecting the substrate side fixed terminal portion, and the substrate side fixed terminal portion or the movable contact portion includes at least one contact terminal having at least one temporary fixing portion;
A first contact terminal support substrate or a second contact terminal support substrate disposed on at least one of both ends of the connecting piece,
A first position where the temporary fixing portion of the contact terminal is engaged with an inner peripheral surface of a concave portion of the first contact terminal supporting substrate or the second contact terminal supporting substrate, and a first position taken out from the concave portion. A contact pin module having a position of 2.
When at least one temporary fixing portion of the contact terminal is in the first position, the distance from the at least one temporary fixing portion to the inner surface of the first contact terminal supporting substrate is equal to that of the first contact terminal supporting substrate. 6. The contact pin module according to claim 5, wherein the contact pin module is smaller than a distance to the contact portion of the board-side fixed terminal portion protruding from the outer surface.
A contact pin module according to claim 5 or 6, and
A contact pin module housing portion for housing the contact pin module;
A semiconductor device socket comprising: a pressing mechanism unit that presses a semiconductor device mounted on a positioning substrate in the contact pin module and electrically connects an electrode portion of the semiconductor device and a contact terminal.