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:
Jul. 26, 2011

Filed:

Feb. 22, 2010
Applicants:

Akifumi Yamaguchi, Kawasaki, JP;

Nobuto Fujiwara, Hamura, JP;

Inventors:

Akifumi Yamaguchi, Kawasaki, JP;

Nobuto Fujiwara, Hamura, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 1/20 (2006.01); H05K 7/20 (2006.01);
U.S. Cl.
CPC ...
Abstract

According to one embodiment, an electronic device includes a printed wiring board, a first heat generating part and a second heat generating part secured to one surface of the printed wiring board, a plurality of first heat pipes, a second heat pipe and a heat sink. The first heat pipes each include a first end portion, a second end portion on an opposite side to the first end portion and a middle portion located between the first and second end portions and thermally connected to the first heat generating part. The second heat pipe includes a third end portion connected to the second end portion and a fourth end portion provided on an opposite side to the third end portion and thermally connected to the second heat generating part. The second heat pipe has a width dimension larger than that of the first heat pipe.


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