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:
Nov. 10, 2015

Filed:

Nov. 19, 2014
Applicant:

Shinko Electric Industries Co., Ltd., Nagano, JP;

Inventors:

Masahiro Yonemochi, Nagano, JP;

Kesayuki Takeuchi, Nagano, JP;

Shuji Negoro, Nagano, JP;

Masafumi Seki, Nagano, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/495 (2006.01); H01L 23/367 (2006.01); H01L 23/42 (2006.01); H01L 23/492 (2006.01); H01L 23/36 (2006.01); H01L 21/48 (2006.01);
U.S. Cl.
CPC ...
H01L 23/3675 (2013.01); H01L 21/4878 (2013.01); H01L 23/36 (2013.01); H01L 23/42 (2013.01); H01L 23/492 (2013.01); H01L 2924/0002 (2013.01);
Abstract

A heat sink includes a frame having an opening, the opening extending in a thickness direction of the frame, the opening having a first opening part and a second opening part, the second opening part being larger than the first opening part in a plan view perpendicular to the thickness direction, a wall standing on the frame at an edge of the opening, a groove formed in the frame beside the wall, and a plate member including a first plate disposed in the first opening part and a second plate disposed in the second opening part and larger than the first plate in the plan view, wherein the second opening part is larger than the second plate in the plan view to leave a gap therebetween, and the wall is bent toward the opening to be in contact with an edge along a perimeter of the second plate.


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