Valve metal powder doped with boron

Details Valve metal powder doped with boron Valve metal powder doped with boron

1984-06-13

1985-04-23

Padgett, Ben R.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75 05BB, 75254, 75 844, 361305, 361322, 419 2, 419 10, 419 12, 419 34, 419 46, 428550, C22C 108, H01G 905, B22F 100, B22F 924

Patent

active

045128057

ABSTRACT:
A process for the production of valve metal powder, which is doped with boron or boron compounds, for electrolytic capacitors having a low relative leakage current and a high specific charge. The doping with boron or boron compounds in amounts of up to 0.5 percent by weight, relative to the metal content, can take place either during the production of the metal powder or the green valve metal anodes.

REFERENCES:
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patent: 4141720 (1979-02-01), Vartanian
patent: 4229217 (1980-10-01), Hahn
patent: 4231790 (1980-11-01), Hahn et al.
patent: 4356028 (1982-10-01), Bates

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