Coiled spring heat transfer element
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United States of America Patent
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-
Feb 19, 1991
Grant Date -
N/A
app pub date -
Jan 9, 1990
filing date -
Jan 9, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A thermally conductive coiled spring laid on its side provides a compliant, high conductive, low force thermal path between a heat source and a heat sink. Each spring contact provides two parallel heat conduction paths via each coil in the spring. The spring can be canted to permit slidable contact with a surface. In one embodiment a plurality of copper springs arranged in parallel can provide a thermal path between an electronic component and a heat sink in close proximity. The springs may be permanently attached to at least one surface at the points of contact.
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