Valve metal/platinum composite electrode

Details Valve metal/platinum composite electrode Valve metal/platinum composite electrode

1989-07-13

1991-02-26

Heinrich, Sam

Metal fusion bonding

Process

Plural diverse bonding

228190, 228201, 228214, 228234, 228237, 296235, 429218, H01M 458, B23K 2022, B23K10136

Patent

active

049955500

ABSTRACT:
A composite electrode based on a valve metal with a layer of a platinum foil securely adhering thereto is produced by hot isostatic pressing of the valve metal base and platinum foil between separating sheets; the separating sheet which comes in contact with the platinum foil during hot isostatic pressing is a metal with a melting point of at least 100.degree. C. above the hot isostatic pressing temperature.

REFERENCES:
patent: 3905828 (1986-07-01), Barber
patent: 4762268 (1988-08-01), Doble
patent: 4831708 (1989-05-01), Yoshiwara et al.
Metals Handbook Ninth Edition, "Solid State Welding", pp. 672-690, vol. 6, copyright 1983.

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