Title:
接点材料
Document Type and Number:
Japanese Patent JP3598195
Kind Code:
B2
Abstract:
Current interruption characteristics of contacts material can be improved by use of contacts material including silver-tungsten carbide alloy containing 55-70 weight % of tungsten carbide (WC) of mean particle size 0.1-6 mu m, wherein 0.005-0.2 weight % of carbon in an undissolved state or non-compound state is included whose equivalent diameter is 0.01-5 mu m.
Inventors:
Isao Okutomi
Kaoru Sekiguchi
Atsushi Yamamoto
Seki Keisei
Kaoru Sekiguchi
Atsushi Yamamoto
Seki Keisei
Application Number:
JP5290197A
Publication Date:
December 08, 2004
Filing Date:
March 07, 1997
Export Citation:
Assignee:
Shibafu Engineering Co., Ltd.
Toshiba Electronic Engineering Co., Ltd.
Toshiba Corporation
Toshiba Electronic Engineering Co., Ltd.
Toshiba Corporation
International Classes:
C22C1/05; C22C27/04; C22C29/08; H01H1/02; H01H1/021; H01H33/66; (IPC1-7): C22C29/08; C22C1/05; C22C27/04; H01H1/02; H01H33/66
Attorney, Agent or Firm:
Norio Ohu
Takehana Kikuo
Takehana Kikuo