Dielectric ceramic composition and ceramic electronic parts usin

Details Dielectric ceramic composition and ceramic electronic parts usin Dielectric ceramic composition and ceramic electronic parts usin

1998-12-11

2000-08-22

Kincaid, Kristine

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

3613214, 3613215, 501134, 501135, 501136, H01G 406, C04B 3546

Patent

active

061081922

ABSTRACT:
A dielectric ceramic composition is formed of a mixture including a BaO--TiO.sub.2 --REO.sub.3/2 ceramic composition, wherein RE represents a rare earth element, and a glass composition containing about 13-50 wt. % SiO.sub.2, about 3-30 wt. % B.sub.2 O.sub.3, about 40-80 wt. % alkaline earth metal oxide and about 0.5-10 wt. % Li.sub.2 O. The dielectric ceramic composition has a high dielectric constant and a high Q value, as well as excellent temperature stability, and is capable of being sintered at a relatively low temperature. The dielectric ceramic composition is advantageously used in ceramic electronic parts.

REFERENCES:
patent: 4885661 (1989-12-01), Yokotani et al.
Database WPI Week 9522, Derwent Publications Ltd., London GB; AN 1995-164968; XP002116614 & JP 07 086079 A (Taiyo Yuden), Mar. 31, 1995; Abstract.

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