Contact sheet
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United States of America Patent
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-
Nov 5, 2002
Issued Date -
N/A
app pub date -
Dec 5, 2000
filing date -
Sep 30, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A contact sheet used with a socket for connecting an integrated circuit having spherical terminals to a board includes protruding contact springs in some or all of numerous through holes provided in an insulative elastic sheet, wherein each of the contact springs is composed of a conductive material and constituted by two or more cantilevers fixed onto the sheet by bonding at one end thereof. Each cantilever has a lower supporting portion composed of or a planar portion formed adjacently to a portion fixed to the sheet, and a spherical terminal holding portion formed by vertically or aslant bending the other end of the cantilever toward one of two openings of a through hole.
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