Electrical connections between printed circuit boards and integrated circuits surface mounted thereon
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United States of America Patent
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-
May 17, 1994
Grant Date -
N/A
app pub date -
Feb 2, 1993
filing date -
Feb 2, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A flexible electrical connector (16) provides a circuit interface between the bent leads (12) of an integrated circuit package (10) and the respective circuit pads (14) of a printed circuit board (15). The integrated circuit package (10) is mounted on the surface of the printed circuit board (15), and the circuit interface has a substantially zero insertion force therebetween. The flexible electrical connector (16) has closely-spaced circuit traces (17) carried by an elastomeric core (18). The traces (17) accommodate the fine pitch of the leads (12) on the integrated circuit package (10); and the elastomeric core (18) provides a resilient 'cushion' which compensates for irregularities or tolerance accumulations in the bent leads (12) as well as the different lead-bending specifications of the respective integrated circuit manufacturers.
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