Title:
METHOD FOR MANUFACTURING HEAT SINK
Document Type and Number:
Japanese Patent JP2002190558
Kind Code:
A
Abstract:
To provide a method for manufacturing a heat sink wherein the flexibility of the form of a fin is high and productivity is superior.
A built-up body 5, in which a wire member 1 bent in a prescribed form is clamped liquid-tightly by a pair of spacers 2, is arranged on an aperture end side 7 of a metal mold 6 for a base which is provided with a cavity 8 for a base. Both end portions of the wire member 1 are brought into contact in liquid-tight manner with the aperture end of the metal mold 6. A cavity which is closed to be liquid-tight by the cavity 8, the wire member 1 and the pair of spacers 2 is formed. By injecting molten metal in the cavity, a base 12 and a fin 13 having a prescribed integral form with the base 12 are formed.
Inventors:
MOCHIZUKI MASATAKA
MASUKO KOICHI
OGAWARA TORU
ONISHI AKISHI
MASUKO KOICHI
OGAWARA TORU
ONISHI AKISHI
Application Number:
JP2000391288A
Publication Date:
July 05, 2002
Filing Date:
December 22, 2000
Export Citation:
Assignee:
FUJIKURA LTD
International Classes:
F28F3/06; F28D15/02; H01L23/36; H01L23/427; H01L23/467; (IPC1-7): H01L23/36; H01L23/427; H01L23/467
Attorney, Agent or Firm:
Watanabe
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