Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
COMPOSITE METAL MATERIAL, METHOD FOR PRODUCING SAME, AND ELECTRONIC DEVICE USING COMPOSITE METAL MATERIAL
Document Type and Number:
WIPO Patent Application WO/2020/021790
Kind Code:
A1
Abstract:
The present invention provides: a composite metal material which is able to be controlled in terms of strength, thermal conductivity and thermal expansion amount; and a method for producing this composite metal material. A composite metal material according to the present invention has a Cu-rich phase and an Fe-rich phase; and this composite metal material has a composite metal phase wherein Fe-rich phases are independently dispersed in a Cu-rich phase. The Cu-rich phase has a Cu content of more than 85 wt%; and each Fe-rich phase has an Fe content of more than 50 wt%.

Inventors:
TOHEI TOMOTAKE (JP)
IKEDA OSAMU (JP)
KUNITOMO KENICHIRO (JP)
Application Number:
JP2019/016063
Publication Date:
January 30, 2020
Filing Date:
April 12, 2019
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
HITACHI LTD (JP)
International Classes:
C22C9/00; B22F3/105; B22F3/16; B33Y10/00; B33Y70/00; B33Y80/00; C22C1/04; C22C33/02; C22C38/00; H01L23/373
Domestic Patent References:
WO2012120982A12012-09-13
Foreign References:
JP2001279407A2001-10-10
JPH07278702A1995-10-24
JPH05331572A1993-12-14
JPS60196962A1985-10-05
JPS58141547A1983-08-22
Attorney, Agent or Firm:
SEIRYO I.P.C. (JP)
Download PDF: