Title: Silver-metal oxide composite and method of manufacturing the same

Abstract: An electrical contact material obtained through internally oxidizing a silver alloy which is the solid solution with 5 to 20 weight percent of one or more of the solute metal elements selected from tin, zinc and antimony and which contains 0.01 to 1.0% weight percent of bismuth. The silver alloy may also include up to 0.5 weight percent of ferrous metal or metals.

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Inventors: Shibata, Akira (Yokohama, JA)

Application Number: 474704
Filing Date: 1974-05-30
Publication_date: 1976-01-20
Assignee: Chugai Denki Kogyo Kabushiki-Kaisha (Tokyo, JA)
Primary Class(es): 148/431
Other Classes:
US Patent Ref:

2200855	May, 1940	Ruben	75/173.
2486341	Oct, 1949	Stumbock	75/173.
2496555	Feb, 1950	Matthias et al.	75/173.
2861155	Nov, 1958	Farnham et al.	75/173.
3323911	Jun, 1967	Inoue	75/173.

Other Refs: 1,153,1782,011,002

Aug, 1963	DT
Sep, 1971	DT

Primary Examiner: Rutledge, L. DeWayne
Assistant Examiner: Weise, E. L.
Attorney: Shlesinger, Fitzsimmons & Shlesinger