Tantalum anode for electrolytic devices

Details Tantalum anode for electrolytic devices Tantalum anode for electrolytic devices

1975-03-05

1976-01-20

James, Andrew J.

Chemistry: electrical and wave energy

Apparatus

Coating, forming or etching by sputtering

29182, 75 5R, 75200, 204292, H01G 900

Patent

active

039341798

ABSTRACT:
An anode for electrolytic devices formed from pressed and sintered compacts of an agglomerated refractory metal powder comprised of polynodal granules of adhered particles with the nodes being of a size the same order of magnitude as the size of the individual particles. Such agglomerated powder is produced by the method including the steps of heating a powder under chemically non-reactive conditions to effect agglomeration between the powder particles, and subsequently crushing the resultant particulate porous agglomerated mass to form said agglomerated polynodal granules. The anodes combine low green and sintered density, equivalent series resistance, dissipation factor and D.C. leakage with a high specific capacitance.

REFERENCES:
patent: 3144328 (1964-08-01), Doty
patent: 3422515 (1969-01-01), Klein
patent: 3667002 (1972-05-01), Klein
patent: 3688161 (1972-08-01), Klein
patent: 3742369 (1973-06-01), Douglass

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