HEAT SPREADER AND PROCESS FOR PRODUCING SAME

Title:

HEAT SPREADER AND PROCESS FOR PRODUCING SAME

Document Type and Number:

WIPO Patent Application WO/2015/182385

Kind Code:

A1

Abstract:

[Problem] To provide: a heat spreader which is capable of more efficiently and rapidly removing heat from elements than existing ones and of sufficiently accommodating further increases in performance and power of various appliances; and an efficient process for producing the heat spreader. [Solution] The heat spreader includes a Cu-Mo composite material and comprises: a Cu-Mo layer having an average thickness of 0.6 mm or less and a thickness unevenness of 0.1 mm or less; and Cu layers directly laminated to both surfaces thereof. The production process comprises: flattening a Cu-Mo composite material plate for constituting the Cu-Mo layer; and thereafter bonding Cu sheets for constituting the Cu layers to both surfaces of the flattened plate by rolling.

Inventors:

OKI HIROAKI (JP)
ARIKAWA TADASHI (JP)
INABA SHOUICHI (JP)

Application Number:

PCT/JP2015/063811

Publication Date:

December 03, 2015

Filing Date:

May 13, 2015

Export Citation:

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Assignee:

ALMT CORP (JP)

International Classes:

C23C26/00; B23K20/04; B32B15/01; H01L23/373; B22F3/10; B22F7/06; C22C9/00; C22C27/04

Domestic Patent References:

WO2009098865A1

2009-08-13

Foreign References:

JPH11297909A	1999-10-29
JP2004281676A	2004-10-07
JP2009010340A	2009-01-15
JP2010062310A	2010-03-18

Other References: