Method of making contact pad having metallically anchored elastomeric electrical contacts
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United States of America Patent
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-
Jan 5, 1999
Issued Date -
N/A
app pub date -
Oct 6, 1997
filing date -
May 28, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A printed-circuit-type electrical contact pad having a plurality of electrically conductive metal traces and a plurality of protuberant electrical contacts projecting from the traces. The protuberances comprise an electrically conductive elastomer having a wide base portion anchored in the end of the trace by a truncated portion of the trace upstanding from the face of the pad. A denuded tip portion of the elastomer extends from the base portion for resiliently engaging a contact site on an electrical device to which the pad is coupled. A unique process for making the aforesaid pad is disclosed and claimed.
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