The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 03, 2019

Filed:

Oct. 26, 2018
Applicant:

Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;

Inventors:

Keizou Takemura, Kawasaki, JP;

Jie Wei, Hachioji, JP;

Masumi Suzuki, Kawasaki, JP;

Michimasa Aoki, Kawasaki, JP;

Mitsutaka Yamada, Atsugi, JP;

Assignee:

FUJITSU LIMITED, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K 7/00 (2006.01); H05K 7/20 (2006.01);
U.S. Cl.
CPC ...
H05K 7/20263 (2013.01); H05K 7/20254 (2013.01);
Abstract

A cooling jacket includes, a base having a portion that is in contact with a heat generating component, a plurality of grooves formed on a surface of the base, each of the plurality of grooves that is arranged in parallel each other, and a cover that is in contact with an upper end of each of fins formed by the plurality of grooves on the same plane as the surface of the base. Each of the plurality of grooves has curved bottom surfaces provided in both end portions thereof, and is shallower toward the end portions thereof. The cover is bonded to the base in a state of covering all of the plurality of grooves.


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