Title:
放熱板及びその製造方法と電子部品装置
Document Type and Number:
Japanese Patent JP6867243
Kind Code:
B2
Abstract:
A heat sink may include: a flat plate portion; a first protruding portion which is formed on an outer peripheral portion of the flat plate portion so as to surround a central portion of the flat plate portion and which protrudes in a thickness direction of the flat plate portion; an extending portion which extends outward from the flat plate portion; and a second protruding portion which is formed on the extending portion such that the first protruding portion is positioned between the second protruding portion and the central portion of the flat plate and which protrudes in the thickness direction of the flat plate portion.
Inventors:
Takuya Kurosawa
Application Number:
JP2017123920A
Publication Date:
April 28, 2021
Filing Date:
June 26, 2017
Export Citation:
Assignee:
Shinko Electric Industry Co., Ltd.
International Classes:
H01L23/36; H05K7/20
Domestic Patent References:
| JP2007258430A | ||||
| JP2016146427A | ||||
| JP2013098328A | ||||
| JP2011134769A | ||||
| JP2003277853A | ||||
| JP5031248U | ||||
| JP2005012127A | ||||
| JP2011253951A | ||||
| JP2001338999A | ||||
| JP2013197520A |
Attorney, Agent or Firm:
Tadashige Ito
Tadahiko Ito
Keizo Okamoto
Yutaka Nikaido
Tadahiko Ito
Keizo Okamoto
Yutaka Nikaido