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Browse Prior Art Database

Shaped Elastomeric Interposer for Large Area Array Connectors

IP.com Disclosure Number: IPCOM000120488D
Original Publication Date: 1991-Apr-01
Included in the Prior Art Database: 2005-Apr-02
Document File: 1 page(s) / 26K

Publishing Venue

IBM

Related People

Grebe, KR: AUTHOR [+3]

Abstract

The design of a elastomeric-interposer-type area array connector is disclosed, which maintains uniform contact pressure over large areas.

This text was extracted from an ASCII text file.
This is the abbreviated version, containing approximately 100% of the total text.

Shaped Elastomeric Interposer for Large Area Array Connectors

      The design of a elastomeric-interposer-type area array
connector is disclosed, which maintains uniform contact pressure over
large areas.

      In many applications of area array connectors, it is possible
to clamp the mating parts only on the periphery of the array because
of the presence of cables or other obstructions in the central
portion of the array.  Such clamping can give rise to distortion of
the mating parts and an uneven pressure distribution on the
interposer.  This, in turn, leads to inconsistent contact performance
over the array.  In the present approach, the stress distribution
over the elastomeric pad in the clamped state is calculated and the
cross section of the pad is modified such that a uniform normal force
is achieved at all points on the interposer.

      Disclosed anonymously.