Method of producing electrolytic capacitor with Al-Ti anode body

Details Method of producing electrolytic capacitor with Al-Ti anode body Method of producing electrolytic capacitor with Al-Ti anode body

1985-05-22

1986-08-05

Lechert, Jr., Stephen J.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Making porous product

29570, 75232, 75235, 361321, 361433, 419 19, 419 23, 419 29, 419 38, 419 53, 419 54, 419 55, 419 57, 419 60, B22F 100

Patent

active

046042601

ABSTRACT:
A solid electrolytic capacitor is made with an Aluminum-titanium body. Aluminum and titanium powders are press-molded into a body which is then heated sufficiently to provide a porous Al-Ti alloy with an oxide layer. Next, the body is heated in an atmosphere containing at least 0.1% by volume of oxygen at a temperature in the range of about 500.degree.-700.degree. C. Thereafter, a layer of manganese dioxide is formed over the oxide layer and a cathode electrode layer is then formed over the manganese dioxide layer.

REFERENCES:
patent: 4002473 (1977-01-01), Klein
patent: 4331477 (1982-05-01), Kubo et al.
patent: 4432935 (1984-02-01), Kubo et al.
patent: 4468719 (1984-08-01), Shimizu et al.
patent: 4517727 (1985-05-01), Shimizu et al.

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