Monolithic capacitor and method of manufacturing it

Details Monolithic capacitor and method of manufacturing it Monolithic capacitor and method of manufacturing it

1983-03-21

1984-08-21

Griffin, Donald A.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

29 2542, H01G 412, C04B 3546

Patent

active

044673965

ABSTRACT:
The present invention relates to a monolithic capacitor of an insulating body of densely sintered ceramic material having electrically conductive layers interleaved parallel to and spaced from each other, extending alternately to one of two opposite outer surfaces of the insulating body where they are connected together by metal connecting layers to form the two plates of the capacitor. In order to obtain a very high capacitance per unit of volume, the insulating body is a semiconductive strontium titanate ceramic with grain-boundary barrier layers. In view of the fact that, in the case of such a ceramic, noble metals would diffuse into the grain-boundary barrier layer and reduce the insulation resistance, the electrically conductive layers of non-noble metals or metal alloys are injected into open-pore hollow spaces which form a network.

REFERENCES:
patent: 3299332 (1967-01-01), Saburi
patent: 4030004 (1977-06-01), Rutt
patent: 4071880 (1978-01-01), Rutt
patent: 4266265 (1981-05-01), Maher

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