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:

Nov. 24, 2016
Applicant:

Kaga, Inc., Chuo-ku, Tokyo, JP;

Inventors:

Masaaki Nozaki, Ishikawa, JP;

Yousuke Nakamura, Ishikawa, JP;

Masaru Sakamoto, Ishikawa, JP;

Hidenori Kontani, Ishikawa, JP;

Shuhei Kaneko, Ishikawa, JP;

Shu Matsuura, Ishikawa, JP;

Assignee:

KAGA, INC., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K 7/20 (2006.01); H01L 23/467 (2006.01); F28F 13/06 (2006.01); F28F 13/18 (2006.01);
U.S. Cl.
CPC ...
H05K 7/20154 (2013.01); F28F 13/06 (2013.01); F28F 13/18 (2013.01); H01L 23/467 (2013.01); H05K 7/20172 (2013.01); F28F 2215/00 (2013.01);
Abstract

The present invention improves heat dissipation by facilitating the flow of the surrounding air. Provided with a heat sink including: a tabular base part; a tabular protruding piece part that protrudes from the base part toward one side in a thickness direction of the base part; and a tubular protrusion which protrudes from the protruding piece part in a thickness direction of the protruding piece part, and the inside of which is bored in a protruding direction thereof, wherein a plurality of the protruding piece parts is provided along a surface of the base part, and a plurality of the tubular protrusions is provided along a surface of each of the protruding piece parts.


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