Production of improved anodes for solid electrolyte capacitors

Details Production of improved anodes for solid electrolyte capacitors Production of improved anodes for solid electrolyte capacitors

1976-03-09

1978-06-27

Padgett, Benjamin R.

Compositions

Electrically conductive or emissive compositions

Free metal containing

252515, 4285395, 428567, 75211, 75221, 75222, 204290F, 75174, H01B 102

Patent

active

040974154

ABSTRACT:
Improved anodes for solid electrolytic capacitors are produced by introducing in the anode body made of a film forming sintered metal powder one of the following additives : tungsten, molybdenum, vanadium and hafnium, at the most suitable step of the manufacturing process previous to sintering under one of the following forms : pure metal, oxide, sulphide. In a preferred embodiment the additive is introduced in the binder used for pelletizing. In another embodiment the additive is introduced by dipping the presintered anodes in a solution containing said additive.

REFERENCES:
patent: 2386544 (1945-10-01), Crowley
patent: 3627520 (1971-12-01), Rogers
patent: 3650736 (1972-03-01), Broom
patent: 3770613 (1973-11-01), Chisholm
patent: 3802851 (1974-04-01), Dunham
patent: 3846273 (1974-11-01), Bianchi et al.
patent: 3867129 (1975-02-01), Ronneau et al.
patent: 3926773 (1975-12-01), Koziol et al.
patent: 3977958 (1976-08-01), Caldwell et al.
patent: 3984208 (1976-10-01), Moulin et al.

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