Stacked type solid electrolytic capacitor

Details Stacked type solid electrolytic capacitor Stacked type solid electrolytic capacitor

1993-01-25

1994-12-27

Evans, Geoffrey S.

Electricity: electrical systems and devices

Electrolytic systems or devices

Solid electrolytic capacitor

361541, 361523, 29 2503, H01G 114, H01G 900

Patent

active

053770730

ABSTRACT:
A stacked type solid electrolytic capacitor has a plurality of single plate capacitors each constituted by a dielectric oxide film, a solid electrolytic film and a negative electrode layer sequentially laminated on a surface of a positive electrode member having a positive electrode section. A metal spacer which has a thickness corresponding to each of spaces between the positive electrode sections is placed in each of the spaces. The metal spacers and the positive electrode sections are mechanically and electrically interconnected by welding. The invention may be embodied in a stacked electrolytic capacitor of a lead type or that of a chip type. The invention provides capacitor in which the size is reduced and the capacity is increased, the possibility of deterioration in electrical characteristics during the fabrication process is eliminated, and the process of fabrication is made easy.

REFERENCES:
patent: 4282645 (1981-08-01), Thompson et al.
patent: 4805074 (1989-02-01), Harakawa et al.

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