HEAT SINK - FURUKAWA ELECTRIC CO LTD

Title:

HEAT SINK

Document Type and Number:

WIPO Patent Application WO/2019/168146

Kind Code:

A1

Abstract:

Provided is a heat sink which is equipped with a heat receiving part thermally connected to a heating element, a plurality of heat pipes each thermally connected to the heat receiving part at a prescribed site thereon, and a heat dissipating part thermally connected to another site on the plurality of heat pipes differing from the aforementioned prescribed site, wherein, among the plurality of heat pipes, said other site on a first heat pipe, in which a virtual straight line extending along the extension direction of the prescribed site thereon from at least a portion of the prescribed site or the end of the prescribed site overlaps in plan view with a high heat density portion of the heating element, is provided further upwind of cooling air than said other site on a second heat pipe, in which a virtual straight line extending along the extension direction of the prescribed site thereon from the prescribed site or the end of the prescribed site does not overlap in plan view with the high heat density portion of the heating element.

Inventors:

KAWABATA KENYA (JP)
INAGAKI YOSHIKATSU (JP)

Application Number:

PCT/JP2019/008030

Publication Date:

September 06, 2019

Filing Date:

March 01, 2019

Export Citation:

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Assignee:

FURUKAWA ELECTRIC CO LTD (JP)

International Classes:

F28D15/02; H01L23/427; H05K7/20

Foreign References:

JP2011077347A	2011-04-14
JP2009181421A	2009-08-13
US20090046428A1	2009-02-19
US20070234741A1	2007-10-11
JP2003336976A	2003-11-28
JPS62117352A	1987-05-28