Device containing directionally conductive composite medium

Details Device containing directionally conductive composite medium Device containing directionally conductive composite medium

1998-03-09

1999-11-02

Stephan, Steven L.

Electrical connectors

Including elastomeric or nonmetallic conductive portion

Adapted to be sandwiched between preformed panel circuit...

439 61, H01R 458

Patent

active

059759224

ABSTRACT:
A device having a composite interconnection medium that reduces or avoids long-term reliability problems exhibited by current media, containing a first component and a second component, e.g., circuit boards, and an intermediate area between the first component and the second component. The intermediate area contains electrically conductive particles in a non-conductive matrix and compression-limiting bodies that are either located within the matrix or separately attached to one of the components. The conductive particles are arranged in chains of two or more particles across the thickness of the matrix to provide electrical connection between the first component and second component. The compression-limiting bodies substantially reduce the likelihood that dimensional changes in the components, e.g., due to warping or servicing, will stress or deform the matrix to an extent that unacceptably affects the electrical conductivity through the intermediate area.

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