Partly replaceable device for testing a multi-contact integrated

Details Partly replaceable device for testing a multi-contact integrated Partly replaceable device for testing a multi-contact integrated

1997-01-03

1998-12-08

Karlsen, Ernest F.

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

Of individual circuit component or element

439 91, 324754, 324757, G01R 3102

Patent

active

058475729

ABSTRACT:
Herein disclosed is a test device for testing an integrated circuit (IC) chip having side edge portions each provided with a set of lead pins. The test device comprises a socket base, contact units each including a contact support member and socket contact members, and anisotropic conductive sheet assemblies each including an elastic insulation sheet and conductive members. The anisotropic conductive sheet assemblies are arranged to hold each conductive member in contact with one of the socket contact members of the contact units. The test device further comprises a contact retainer detachably mounted on the socket base to bring the socket contact members into contact with the anisotropic conductive sheet assemblies to establish electrical communication between the socket contact members and the conductive members of the anisotropic conductive sheet assemblies. Each of the contact units can be replaced by a new contact unit if the socket contact members partly become fatigued, thereby making it possible to facilitate the maintenance of the test device. Furthermore, the lead pins of the IC chip can be electrically connected to a test circuit board with the shortest paths formed by part of the socket contact members and the conductive members of the anisotropic conductive sheet assemblies.

REFERENCES:
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patent: 5592365 (1997-01-01), Sugimoto et al.
patent: 5613861 (1997-03-01), Smith et al.
patent: 5626481 (1997-05-01), Abe

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