METHOD FOR PRODUCING COOLING DEVICE AND HEAT-DISSIPATING MEMBER

Title:

METHOD FOR PRODUCING COOLING DEVICE AND HEAT-DISSIPATING MEMBER

Document Type and Number:

WIPO Patent Application WO/2014/109235

Kind Code:

A1

Abstract:

When producing a heat-dissipating member having a plurality of heat-dissipating fins (21) and lateral walls (15) by using a forging method such as impact molding, this method for producing a heat-dissipating member molds a metal material by: positioning the metal material on a lower die (32) provided with projections corresponding to the positions at which the plurality of heat-dissipating fins (21) and lateral walls (15) provided in the heat-dissipating member are to be formed; and pressing an upper die (31) having recesses for molding the heat-dissipating fins (21) and lateral walls (15) against the lower die (32) on which the metal material is positioned, in a manner such that the recesses correspond to the projections on the lower die (32).

Inventors:

TANAKA YOSHIKI (JP)
TAKEMOTO NAOHIRO (JP)
ISHIMARU YUKI (JP)
ISHIKAWA DAISUKE (JP)

Application Number:

PCT/JP2013/084723

Publication Date:

July 17, 2014

Filing Date:

December 25, 2013

Export Citation:

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Assignee:

FUTABA IND CO LTD (JP)

International Classes:

B21J5/06; B21D53/02; H01L23/473

Foreign References:

JPH01266922A	1989-10-24
JP5051322B1	2012-10-17
JP2011251338A	2011-12-15
JPH10286643A	1998-10-27
JP2010165743A	2010-07-29
JP2008171840A	2008-07-24
JP2007275956A	2007-10-25

Other References: