Ceramic capacitor and method of manufacturing the same

Details Ceramic capacitor and method of manufacturing the same Ceramic capacitor and method of manufacturing the same

1988-08-31

1989-10-17

Griffin, Donald A.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

29 2542, H01G 410, H01G 700

Patent

active

048751367

ABSTRACT:
A ceramic capacitor obtained by preparing a ceramic compact containing a ceramic composition which is not semiconductive upon firing in a reducing atmosphere, applying first paste containing a reducing agent or dopant to the surface of the ceramic compact, applying second paste containing a base metal on the first paste and firing the ceramic compact with the first paste and the second paste in a reducing atmosphere. A ceramic body included in the ceramic capacitor is provided with a semiconductive layer by thermal diffusion of the dopant contained in the first paste. In a portion of the capacitor enclosed between a pair of capacitance extracting electrodes defined by the second paste, the thickness of a dielectric layer is reduced by that of the semiconductive layer.

REFERENCES:
patent: 3133338 (1964-05-01), Fabricius et al.
patent: 3350760 (1967-11-01), Kilby
patent: 4027209 (1977-05-01), Maher
patent: 4397886 (1983-08-01), Neirman et al.
patent: 4642732 (1987-02-01), Ikeda et al.

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