Electricity: electrical systems and devices – Electrostatic capacitors – Fixed capacitor
Patent
1984-10-01
1986-03-04
Griffin, Donald
Electricity: electrical systems and devices
Electrostatic capacitors
Fixed capacitor
H01G 101
Patent
active
045743290
ABSTRACT:
A multilayer ceramic capacitor characterized by a stack of alternate layers of dielectric oxidic ceramic material and of electrode layers consisting of a mixture of a metal having a high electric conductivity and ceramic particles of a material having a sintering temperature which is above the sintering temperature of the oxidic ceramic material of the dielectric layers. As a result of this electrode layer composition, the capacitor can be manufactured by means of a uniaxial pressure sintering process in which the stack is sintered while simultaneously applying pressure in the direction transverse to the plane of the layers. This leads to dielectric layers which are substantially free from pores and have a thickness of at most 20 .mu.m.
REFERENCES:
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patent: 3679950 (1972-07-01), Rutt
patent: 3720862 (1973-03-01), Mason
patent: 3879645 (1975-04-01), Rutt et al.
patent: 3902102 (1975-08-01), Burn
patent: 4447853 (1984-05-01), Tomuro et al.
De Wild Willem R.
De With Gijsbertus
Eijkelenkamp Antonius J. H.
Griffin Donald
Spain Norman N.
U.S. Philips Corporation
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