C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 8/06 (2006.01) B01J 19/08 (2006.01) C23C 8/36 (2006.01)
Patent
CA 2091647
This invention provides a method for the sur- face treatment of a metal, which comprises the steps of: placing at least a surface to be treated of a metal to be treated between two electrodes facing each other under an atmosphere of a mixed gas consisting of an inert gas and a reactant gas; and plasma exciting said mixed gas under atmospheric pressure to effect glow discharge between said electrodes. The method of the present invention uses an apparatus simpler than that used in a conven- tional method and can inject into the surface layer of a metal, even those elements which have been difficult to with the conventional method, and can readily modify surface properties of a metal such as surface hardness, surface wettability, etc.
Ikemiya Norihito
Inagaki Hideo
Nishiwaki Atsushi
Ogino Kazumi
Sawada Yasuo
C. Itoh Fine Chemical Co. Ltd.
E.c. Chemical Co. Ltd.
Nishiwaki Atsushi
Smart & Biggar
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