Process for production of anode for solid electrolytic capacitor

Details Process for production of anode for solid electrolytic capacitor Process for production of anode for solid electrolytic capacitor

1998-08-31

2000-02-15

Mai, Ngoclan

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Powder shape or size characteristics

419 37, 419 38, 419 60, 419 33, 419 10, B22F 700

Patent

active

060249145

ABSTRACT:
Conventional anodes for solid electrolytic capacitor have small numbers of spaces and gaps therein and, when made into a capacitor, have shown insufficient (high) tan d and ESR. An anode having enlarged numbers of spaces and gaps and giving a capacitor of improved tan d and ESR can be produced by using, as a material for shaped material (anode before sintering), a mixed powder of a granulated valve metal powder of 50 to 200 .mu.m in particle diameter and a solid organic substance of 20 .mu.m or less in average particle diameter.

REFERENCES:
patent: 3473915 (1969-10-01), Pierret
patent: 3476557 (1969-11-01), Fincham
patent: 3934179 (1976-01-01), Pierret
patent: 4968481 (1990-11-01), Rerat

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