Thermal conductive member and electronic device using same

Details Thermal conductive member and electronic device using same Thermal conductive member and electronic device using same

1998-02-12

2000-08-01

Thompson, Gregory

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

165 802, 165 803, 165185, 174 163, 257707, 257713, 361710, H05K 720

Patent

active

060975989

ABSTRACT:
There is disclosed a thermal conductive member which can be easily handled, and has high thermal conductivity and the high ability of intimate contact with a heat-generating device and a heatsink, and applies a small stress to a semiconductor package. An electronic device, using this thermal conductive member, is also disclosed. The thermal conductive member connects the heat-generating member to the heatsink serving to radiate heat generated by said heat-generating member, and includes an elastic member, and a thermal conductive foil wound on an elastic member in intimate contact therewith. The electronic device includes the heat-generating member such as a semiconductor, the heatsink for radiating heat generated by the heat-generating member, and the above thermal conductive member interposed between the heat-generating device and the heatsink. Even if the elastic member is made of nitrile rubber or silicone rubber, and the thermal conductive foil is made of graphite, copper or aluminum, the thermal conductivity is effected satisfactorily through the elastic member and the high thermal conductivity foil.

REFERENCES:
patent: 4648008 (1987-03-01), Neyroud et al.
patent: 4858073 (1989-08-01), Gregory
patent: 4979074 (1990-12-01), Morley et al.
patent: 4999741 (1991-03-01), Tyler
patent: 5166864 (1992-11-01), Chitwood et al.
patent: 5175668 (1992-12-01), Kendel

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