Non-linear polycrystalline barium titanate-type dielectric eleme

Details Non-linear polycrystalline barium titanate-type dielectric eleme Non-linear polycrystalline barium titanate-type dielectric eleme

1982-02-19

1983-09-13

Welsh, John D.

Compositions: ceramic

Ceramic compositions

Titanate, zirconate, stannate, niobate, or tantalate or...

252 629, 252521, 501 10, C04B 3500

Patent

active

044040296

ABSTRACT:
A D-E hysteresis loop of ferroelectrics known in the art has a square shape when the ferroelectrics are a BaTiO.sub.3 single crystal. Such ferroelectrics are used as a non-linear dielectric element of, for example a pulse generating device. The non-linear dielectric element according to the present invention consists of a polycrystal mainly composed of Ba(Ti.sub.0.90-0.98 Sn.sub.0.02-1.00)O.sub.3 and having an average grain diameter of from 10 to 60 .mu.m. The non-linearity is excellent and the temperature dependence of the non-linearity is considerably low.

REFERENCES:
patent: 3268783 (1966-08-01), Saburi
Japan J. Appln. Phys., vol. 16 (1977), No. 10, pp. 1871-1872.
Electrical Engineering, Oct. 1952, pp. 916-922.

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