Patent ID: 6867976
Filing Date: 2005-03-15
Classification: F28F

Abstract:
1. A thermal transfer interface, comprising: a thermal spreader forming a plurality of passageways and a mating lip within each of the passageways; a spring element coupled with the spreader; and a plurality of thermally conductive pins for the passageways, each of the pins having a head, shaft and barbed shaft end moving with the spring element, at least part of the shaft being internal to the passageway and forming a gap with an internal surface of the passageway, wherein the pin heads collectively and macroscopically conform to an object coupled thereto to transfer heat from the object to the spreader through the passageway gap formed between the spreader and each of the plurality of pins, the barbed shaft end of each of the pins engaging with the mating lip to retain the pins with the thermal spreader when the spring element is in an uncompressed state.