Temperature compensating ceramic dielectric

Details Temperature compensating ceramic dielectric Temperature compensating ceramic dielectric

1991-03-25

1992-04-14

Griffin, Donald A.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

252 623BT, 264 61, 501136, H01G 412, H01G 700, C04B 3546

Patent

active

051053330

ABSTRACT:
A temperature compensating ceramic dielectric of the present invention contains compositions consisting of 2.0 to 14.0 mole % of barium oxide, 51.0 to 63.5 mole % of titanium oxide and 22.5 to 47.0 mole % of neodymium oxide as NdO.sub.3/2. Among the composition range, however, ranges between 2.0 to 9.0 mole % of barium oxide and 60.0 to 63.5 mole % of titanium oxide are to be excluded. By adding 0.1 to 5.0% by weight of niobium oxide as NbO.sub.5/2 to the composition, the temperature compensating ceramic dielectric is obtained.

REFERENCES:
patent: 3775142 (1973-11-01), Roup
patent: 4540676 (1985-09-01), Chu et al.
patent: 5010443 (1991-04-01), Maher
patent: 5013695 (1991-05-01), Kato et al.

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