Electricity: electrical systems and devices – Electrostatic capacitors – Fixed capacitor
Patent
1981-11-16
1983-05-31
Bell, Mark
Electricity: electrical systems and devices
Electrostatic capacitors
Fixed capacitor
501134, H01G 412, C04B 3546
Patent
active
043863876
ABSTRACT:
A porcelain composition comprising Pb(Fe.sub.2/3 W.sub.1/3)O.sub.3, PbTiO.sub.3 and Pb(Yb.sub.1/2 Nb.sub.1/2)O.sub.3 preferably within the range as defined by closed area of A-B-C-D-A in the accompanying triangular diagram can give a sintered product by sintering at a temperature as low as 1000.degree. C. or lower. The resulting sintered product has a high relative dielectric constant and a small dielectric loss tangent.
REFERENCES:
patent: 3468800 (1969-09-01), Yokoyama et al.
patent: 4078938 (1978-03-01), Yonezawa et al.
patent: 4236928 (1980-12-01), Yonezawa et al.
Arima Hideo
Ikegami Akira
Isogai Tokio
Kawabata Kiyoshi
Tanei Hirayoshi
Bell Mark
Hitachi Chemical Company Ltd.
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