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Title:
MOLD FOR MOLDING, MOLD FOR MOLDING OPTICAL DISK SUBSTRATE, METALLIC SHAFT, METALLIC BEARING, AND COMPOUND METALLIC MATERIAL, AND METHOD FOR MANUFACTURING COMPOUND METALLIC MATERIAL
Document Type and Number:
Japanese Patent JP2006028603
Kind Code:
A
Abstract:

To provide a compound metallic material which has small coefficient of friction of a surface and has excellent durability.

The surface of the compound metallic material is composed of metal 1 containing fullerene or a fullerene derivative and the compound metallic material is composed of the metal containing the fullerene or the fullerene derivative and the metal containing the fullerene or the fullerene derivative changes in the content of the fullerene or the fullerene derivative continuously in the thickness direction, and has a low content of the fullerene or the fullerene derivative near the boundary of the two metals, and has high content of the fullerene or the fullerene derivative near the boundary of the metal containing the fullerene or the fullerene derivative.


Inventors:
MASUZAWA MASAHIRO
Application Number:
JP2004210799A
Publication Date:
February 02, 2006
Filing Date:
July 16, 2004
Export Citation:
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Assignee:
RICOH KK
International Classes:
C25D15/02; B01F3/12; B29C33/38; B82B3/00; C23C18/18; C23C18/52; C25D1/00; C25D1/22; C25D5/20; C25D7/10; G11B7/26
Domestic Patent References:
JP2003320552A2003-11-11
JPH0942295A1997-02-10
JPH08311696A1996-11-26
JPH07278879A1995-10-24
JPS51111432A1976-10-01
JPS52109439A1977-09-13
JP2001283716A2001-10-12
JP2003277978A2003-10-02