Temperature-compensating ceramic dielectrics

Details Temperature-compensating ceramic dielectrics Temperature-compensating ceramic dielectrics

1982-04-07

1983-07-19

Bell, Mark

Compositions: ceramic

Ceramic compositions

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

501139, C04B 3546, H01B 312

Patent

active

043944566

ABSTRACT:
A temperature-compensating ceramic dielectric mainly comprises a composition consisting essentially of 35 to 65 wt % of neodymium titanates (Nd.sub.2 Ti.sub.2 O.sub.7), 10 to 35 wt % of barium titanates (BaTiO.sub.3), 10 to 35 wt % of titanium oxide (TiO.sub.2), 1 to 6 wt % of bismuth oxide (Bi.sub.2 O.sub.3) and 1 to 10 wt % of lead oxide (Pb.sub.3 O.sub.4), and contains 1 to 6 wt % of zinc oxide (ZnO) and 1 to 6 wt % of silicon oxide (SiO.sub.2). Up to 50 atom % of neodymium in neodymium titanates (Nd.sub.2 Ti.sub.2 O.sub.7) may be replaced with at least one element of the other rare earth elements except for Nd.

REFERENCES:
patent: 4226735 (1980-10-01), Sakabe

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