Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 21, 2010
Patent Application Number
12174645
Date Filed
July 17, 2008
Patent Primary Examiner
Patent abstract
Provided is a method for producing a contact device, including a step of forming a first conductive film; a step of forming a second conductive film containing a metal or an alloy of the metal on the first conductive film; a step of forming a third conductive film on the second conductive film; and a step of forming a surface layer on the third conductive film, the surface layer containing an oxidative product of the metal in the second conductive film, which metal has been diffused to be precipitated out from the surface of the third conductive film and oxidized.
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