Title:
ヒートシンク
Document Type and Number:
Japanese Patent JP7098954
Kind Code:
B2
Abstract:
A heat sink including a metal-formed body having a base board part and two or more fin parts standing on a surface of the base board part and arranged in a parallel manner to each other, and one or more filled bodies consisting of a plurality of coiled metal-wire materials filled in one or more groove parts formed between the fin parts of the metal-formed body; the heat sink in which the coiled metal-wire materials have a first outer diameter at one end part and a second outer diameter at the other end part which is different from the first outer diameter; and the coiled metal-wire materials are metallurgically joined at partially to at least one of an inner surface of the groove parts of the metal-formed body and the other coiled metal-wire materials.
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Inventors:
Kotaro Watanabe
Toshihiko Yuki
Toshihiko Yuki
Application Number:
JP2018028359A
Publication Date:
July 12, 2022
Filing Date:
February 21, 2018
Export Citation:
Assignee:
Mitsubishi Materials Corporation
International Classes:
H01L23/36; H05K7/20
Domestic Patent References:
| JP2010531536A | ||||
| JP9036284A | ||||
| JP2014090209A |
Foreign References:
| WO2005067036A1 |
Attorney, Agent or Firm:
Masakazu Aoyama