Title:
ヒートシンク、その製造方法、および、押圧治具
Document Type and Number:
Japanese Patent JP3552047
Kind Code:
B2
Abstract:
There is provided a heat sink comprising a base plate provided with a plurality grooves and concave portions, each of which has a substantially trapezoidal cross section having a flat bottom face and inclined side faces and is formed into a tapered shape, formed between the adjacent grooves by plastic deformation; and a plurality of thin-sheet fins which are inserted in the grooves and are crimped from both sides by the inclined side faces formed by the plastic deformation of the concave portion.
Inventors:
Takayuki Hikotani
Mikio Kuwahara
Izumi Nakajima
Go Omotani
Takashi Mori
Ichi Noda
Kenya Kawabata
Mikio Kuwahara
Izumi Nakajima
Go Omotani
Takashi Mori
Ichi Noda
Kenya Kawabata
Application Number:
JP2001311857A
Publication Date:
August 11, 2004
Filing Date:
October 09, 2001
Export Citation:
Assignee:
THE FURUKAW ELECTRIC CO.,LTD.
International Classes:
H05K7/20; B21D39/03; B21D53/02; F28F3/02; H01L23/36; H01L23/427; (IPC1-7): H01L23/36; B21D39/03; H05K7/20
Domestic Patent References:
| JP11290974A | ||||
| JP61272595A | ||||
| JP5691641U | ||||
| JP369565B1 | ||||
| JP2000151163A |
Attorney, Agent or Firm:
Takaho Kawawa