Solid state electrolytic capacitor having a concave

Details Solid state electrolytic capacitor having a concave Solid state electrolytic capacitor having a concave

1995-05-26

1997-05-13

Picard, Leo P.

Electricity: electrical systems and devices

Electrolytic systems or devices

Solid electrolytic capacitor

361529, 361528, 361532, H01G 210

Patent

active

056298307

ABSTRACT:
In a solid state electrolytic capacitor, an increase in capacity and a reduction in size and weight are intended. A concave is formed in one end surface of a porous chip formed by hardening metal powder and a synthetic resin is filled in the concave. An anode bar is provided which passes through the synthetic resin to be fixed to the chip. After a dielectric film is formed on the surface of the chip through anodic oxidation, a solid state electrolytic layer made of manganese dioxide is formed on the dielectric film and then, a cathode film is formed thereon. At an end surface of the chip, an insulating film is provided, so that the distance between the lead terminal and the chip is reduced without any short circuit being caused.

REFERENCES:
patent: 4231075 (1980-10-01), Morimoto et al.
patent: 5390074 (1995-02-01), Hasegawa et al.

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