Title:
HEAT SINK MADE FROM LONGER AND SHORTER GRAPHITE SHEETS
Document Type and Number:
WIPO Patent Application WO2004003975
Kind Code:
A3
Abstract:
A heat sink apparatus (10) is constructed from alternating longer and shorter sheets of graphite material (14), (16) sandwiched together such that the longer sheets (14) extend beyond the shorter sheets (16) to define fins. The directions of higher thermal conductivity of the anisotropic graphite material are oriented in the plane of the sheet. The longer (14) and shorter (16) sheets have base ends (18) aligned together to define a generally planar base surface (20) for engaging an electronic device (12) to be cooled.
Inventors:
GETZ GEORGE JR
BURKETT THOMAS W
BURKETT THOMAS W
Application Number:
PCT/US2003/020590
Publication Date:
August 19, 2004
Filing Date:
June 27, 2003
Export Citation:
Assignee:
GRAFTECH INC (US)
International Classes:
F28F21/02; H05K7/20; H01L23/36; H01L23/367; H01L23/373; (IPC1-7): H05K7/20
Foreign References:
| US5390734A | 1995-02-21 | |||
| US6046498A | 2000-04-04 |
Other References:
See also references of EP 1552735A4
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