JP3346425B2 - Bare chip test socket - Google Patents

Bare chip test socket

Info

Publication number
JP3346425B2
JP3346425B2 JP01462892A JP1462892A JP3346425B2 JP 3346425 B2 JP3346425 B2 JP 3346425B2 JP 01462892 A JP01462892 A JP 01462892A JP 1462892 A JP1462892 A JP 1462892A JP 3346425 B2 JP3346425 B2 JP 3346425B2
Authority
JP
Japan
Prior art keywords
bare chip
chip
anisotropic conductive
conductive sheet
test socket
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
JP01462892A
Other languages
Japanese (ja)
Other versions
JPH05206227A (en
Inventor
和久 ▲角▼井
俊二 馬場
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11866463&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JP3346425(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP01462892A priority Critical patent/JP3346425B2/en
Publication of JPH05206227A publication Critical patent/JPH05206227A/en
Application granted granted Critical
Publication of JP3346425B2 publication Critical patent/JP3346425B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【産業上の利用分野】本発明は、ベアチップテスト用ソ
ケットに関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bare chip test socket.

【0002】[0002]

【従来の技術】一般にLSI素子を基板上に実装するに
際して、該LSIの性能試験がなされるが、LSI素子
がベアチップである場合には、テストツールがないため
に、従来、受け入れ検査が行われず、そのまま基板上に
実装し、しかる後、他の部品も搭載された状態で基板ユ
ニット単位に試験が行われていた。
2. Description of the Related Art In general, when an LSI element is mounted on a substrate, a performance test of the LSI is performed. However, when the LSI element is a bare chip, an acceptance inspection has not been conventionally performed because there is no test tool. Then, the mounting was performed on the substrate as it was, and thereafter, a test was performed for each substrate unit in a state where other components were also mounted.

【0003】[0003]

【発明が解決しようとする課題】しかし、かかる状態で
の試験では、素子不良が最終組立工程まで発見できず、
さらに、不良交換等の作業も非常に困難であるという欠
点を有するものであった。
However, in the test in such a state, no element failure can be found until the final assembly process.
Further, there is a disadvantage that work such as defective replacement is very difficult.

【0004】本発明は、以上の欠点を解消すべくなされ
たものであって、ベアチップ単体での試験を可能とする
ベアチップテスト用ソケットを提供することを目的とす
る。
SUMMARY OF THE INVENTION [0004] The present invention has been made to solve the above-mentioned drawbacks, and has as its object to provide a bare chip test socket capable of testing a bare chip alone.

【0005】[0005]

【課題を解決するための手段】本発明によれば上記目的
は、実施例に対応する図1に示すように、バンプを有す
るベアチップの性能を試験するベアチップテスト用ソケ
ットであって、 チップを収容するためのチップ収容凹部
が設けられたソケット本体と前記チップ収容凹部の底
面に設けられた複数の接続パッドと、 前記底面の反対面
に設けられ、前記接続パッドのそれぞれと電気的に導通
する複数の出力ピンと、 前記接続パッドに接した状態
で、前記チップ収容凹部内に敷設される異方性導電シー
トと前記ベアチップを、バンプ形成面の反対側から押
圧する蓋体と、を有し、前記接続パッドが前記バンプと
対応する位置に設けられ、試験の際、前記ベアチップが
前記異方性導電シート上に取り外し自在に配置され、前
記異方性導電シートが、該バンプとそれに対応する接続
パッドにより、両側から挟んで押し付けられる ことを特
徴とするベアチップテスト用ソケットを提供することに
より達成される。
According to the present invention, the above object has a bump as shown in FIG. 1 corresponding to an embodiment.
Chip test socket for testing bare chip performance
A chip receiving recess for receiving a chip.
And socket present body is al provided, the bottom of the chip accommodation recess
A plurality of connection pads provided on the surface, and an opposite surface of the bottom surface
And is electrically connected to each of the connection pads.
A plurality of output pins to be connected to the connection pad
The anisotropic conductive sheet laid in the chip receiving recess.
And bets, the Beachi' flop having a lid which presses from the opposite side of the bump formation faces, wherein the connection pad is provided <br/> a position corresponding to the van-flop, upon examination, the bare But
It is detachably arranged on the anisotropic conductive sheet,
The anisotropic conductive sheet is provided with the bumps and the corresponding connections.
It is special that the pad can be sandwiched and pressed from both sides.
This is achieved by providing a bare chip test socket.

【0006】[0006]

【作用】本発明において、ベアチップテスト用ソケット
はチップ収容凹部1を有するソケット本体2を有し、チ
ップ収容凹部1には異方性導電シート3が敷設される。
ベアチップ5はバンプ4形成面を異方性導電シート3に
向けた状態でチップ収容凹部1にセットされ、ソケット
本体2に装着された蓋体6を閉塞することにより下方に
押圧される。異方性導電シート3は、バンプ4により押
圧された部位において導電性を発揮し、ベアチップ5の
バンプ4とソケット本体2の接続パッド7との導通が取
られる。
According to the present invention, the bare chip test socket has a socket body 2 having a chip housing recess 1, in which an anisotropic conductive sheet 3 is laid.
The bare chip 5 is set in the chip accommodating recess 1 with the bump 4 forming surface facing the anisotropic conductive sheet 3, and is pressed downward by closing the lid 6 attached to the socket body 2. The anisotropic conductive sheet 3 exhibits conductivity at a portion pressed by the bump 4, and conduction between the bump 4 of the bare chip 5 and the connection pad 7 of the socket body 2 is established.

【0007】[0007]

【実施例】以下、本発明の望ましい実施例を添付図面に
基づいて詳細に説明する。ベアチップテスト用ソケット
の全体図を図2に示し、ソケット本体2と、蓋体6とを
有して構成される。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below in detail with reference to the accompanying drawings. FIG. 2 shows an overall view of the bare chip test socket, which includes a socket body 2 and a lid 6.

【0008】ソケット本体2は、上面にベアチップ5の
大きさに略等しい矩形のチップ収容凹部1を有する。こ
のチップ収容凹部1には、ベアチップ5のバンプ4、4
・・に対応して接続パッド7、7・・が形成され、ソケ
ット本体2の裏面に設けられる出力ピン8、8・・に接
続される。
The socket body 2 has a rectangular chip receiving recess 1 on the upper surface which is substantially equal to the size of the bare chip 5. The chip receiving recess 1 has bumps 4, 4, 4
Are formed in correspondence with .. and are connected to output pins 8, 8... Provided on the back surface of the socket body 2.

【0009】3は上記チップ収容凹部1に敷設される異
方性導電シートであり、加圧による変形部位が導電性を
発揮するように構成され、該異方性導電シート3により
チップ収容凹部1の接続パッド7を覆うことにより、同
時に接続パッド7への異物、酸化物付着等を防止してい
る。
Reference numeral 3 denotes an anisotropic conductive sheet laid in the chip accommodating recess 1 so that a portion deformed by pressure exerts conductivity. Of the connection pad 7 at the same time, foreign substances and oxides are prevented from adhering to the connection pad 7 at the same time.

【0010】一方、蓋体6はソケット本体2の一端縁に
回動自在に装着されており、回動軸の反対縁をソケット
本体2に係止させ、チップ収容凹部1を閉塞する。ま
た、この蓋体6の裏面には、チップ収容凹部1に嵌合可
能な押圧突部9が突設されており、チップ収容凹部1に
装着されたベアチップ5を押圧する。
On the other hand, the lid 6 is rotatably mounted on one end of the socket main body 2 and locks the opposite edge of the rotation shaft to the socket main body 2 to close the chip accommodating recess 1. Further, on the back surface of the lid 6, a pressing projection 9 which can be fitted into the chip accommodating recess 1 is provided so as to press the bare chip 5 mounted on the chip accommodating recess 1.

【0011】次に本発明に係るベアチップテスト用ソケ
ットの使用方法を図1により説明する。先ず、ベアチッ
プテスト用ソケットは、検査基板上のパッドに出力ピン
8をハンダ付けして実装される。被検査ベアチップ5
は、バンプ4を異方性導電シート3側に向けた状態でチ
ップ収容凹部1内にセットされ、次いで、蓋体6を閉じ
ると、ベアチップ5の背面は押圧突部9により押し付け
られ、バンプ4部位において異方性導電シート3が導通
し、バンプ4がソケット本体2の接続パッド7に接続さ
れる。この状態において、ベアチップ5は検査基板上に
実装された状態となり、所定の試験が行われる。
Next, a method of using the bare chip test socket according to the present invention will be described with reference to FIG. First, a bare chip test socket is mounted by soldering output pins 8 to pads on an inspection board. Inspection bare chip 5
Is set in the chip accommodating recess 1 with the bumps 4 facing the anisotropic conductive sheet 3 side. Then, when the lid 6 is closed, the back surface of the bare chip 5 is pressed by the pressing projection 9, At the site, the anisotropic conductive sheet 3 conducts, and the bump 4 is connected to the connection pad 7 of the socket body 2. In this state, the bare chip 5 is mounted on the inspection board, and a predetermined test is performed.

【0012】[0012]

【発明の効果】以上の説明から明らかなように、本発明
によれば、ベアチップを単体状態で検査することが可能
となる。
As is clear from the above description, according to the present invention, a bare chip can be inspected in a single state.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明の実施例を示す断面図である。FIG. 1 is a sectional view showing an embodiment of the present invention.

【図2】図1の分解斜視図である。FIG. 2 is an exploded perspective view of FIG.

【符号の説明】[Explanation of symbols]

1 チップ収容凹部 2 ソケット本体 3 異方性導電シート 4 バンプ 5 ベアチップ 6 蓋体 7 接続パッド 8 出力ピン DESCRIPTION OF SYMBOLS 1 Chip accommodation recess 2 Socket main body 3 Anisotropic conductive sheet 4 Bump 5 Bear chip 6 Lid 7 Connection pad 8 Output pin

───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平3−102848(JP,A) 特開 平1−170870(JP,A) 特開 平2−99875(JP,A) (58)調査した分野(Int.Cl.7,DB名) H01L 21/66 ────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-3-102848 (JP, A) JP-A-1-170870 (JP, A) JP-A-2-99875 (JP, A) (58) Field (Int.Cl. 7 , DB name) H01L 21/66

Claims (1)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】バンプを有するベアチップの性能を試験す
るベアチップテスト用ソケットであって、 チップを収容するための チップ収容凹部が設けられたソ
ケット本体と前記チップ収容凹部の底面に設けられた複数の接続パッ
ドと、 前記底面の反対面に設けられ、前記接続パッドのそれぞ
れと電気的に導通する複数の出力ピンと、 前記接続パッドに接した状態で、前記チップ収容凹部内
敷設される異方性導電シートと前記 ベアチップを、バンプ形成面の反対側から押圧する
体と、を有し、前記接続パッドが 前記バンプと対応する位置に設けら
れ、試験の際、前記ベアチップが前記異方性導電シート
上に取り外し自在に配置され、前記異方性導電シート
が、該バンプとそれに対応する接続パッドにより、両側
から挟んで押し付けられる ことを特徴とするベアチップ
テスト用ソケット。
1. The performance of a bare chip having bumps is tested.
A bare chip test socket that the socket Body chip housing recesses were et provided for accommodating the chips, a plurality of connection pad provided on the bottom surface of the chip accommodation recess
And a connection pad provided on a surface opposite to the bottom surface and each of the connection pads.
A plurality of output pins electrically connected to the plurality of output pins, and a plurality of output pins in contact with the connection pads in the chip accommodating recess.
An anisotropic conductive sheet is laid on, said Beachi' flop has a lid that presses from the opposite side of the bump formation faces, the, et al provided in a position where the connection pad corresponding to the van-flop
In the test, the bare chip is attached to the anisotropic conductive sheet.
The anisotropic conductive sheet is detachably disposed on the
However, due to the bumps and the corresponding connection pads,
A bare chip test socket characterized in that it is sandwiched and pressed from above .
JP01462892A 1992-01-30 1992-01-30 Bare chip test socket Ceased JP3346425B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP01462892A JP3346425B2 (en) 1992-01-30 1992-01-30 Bare chip test socket

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP01462892A JP3346425B2 (en) 1992-01-30 1992-01-30 Bare chip test socket

Publications (2)

Publication Number Publication Date
JPH05206227A JPH05206227A (en) 1993-08-13
JP3346425B2 true JP3346425B2 (en) 2002-11-18

Family

ID=11866463

Family Applications (1)

Application Number Title Priority Date Filing Date
JP01462892A Ceased JP3346425B2 (en) 1992-01-30 1992-01-30 Bare chip test socket

Country Status (1)

Country Link
JP (1) JP3346425B2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2716663B2 (en) * 1993-09-21 1998-02-18 マイクロン・テクノロジー・インコーポレイテッド Semiconductor die testing equipment
JP2830757B2 (en) * 1994-12-01 1998-12-02 日本電気株式会社 Silicon tester measuring jig
JP2894431B2 (en) * 1995-11-15 1999-05-24 日本電気株式会社 Bare chip socket
JP3741927B2 (en) 2000-03-31 2006-02-01 日本電気株式会社 Semiconductor chip or package inspection apparatus and inspection method thereof

Also Published As

Publication number Publication date
JPH05206227A (en) 1993-08-13

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A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20020820

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