Insulating ceramic composition and ceramic inductor using the sa

Details Insulating ceramic composition and ceramic inductor using the sa Insulating ceramic composition and ceramic inductor using the sa

1998-02-24

2000-06-27

Marcantoni, Paul

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501133, 252 62, C04B 3514

Patent

active

060806931

ABSTRACT:
An insulating ceramic composition which comprises about 62-75 wt % of silicon oxide (in terms of SiO.sub.2), about 4-22 wt % of barium oxide (in terms of BaCO.sub.3), about 0.5-2.5 wt % of aluminum oxide (in terms Al.sub.2 O.sub.3), 0 to about 0.8 wt % of chromium oxide (in terms of Cr.sub.2 O.sub.3), about 0.2-0.8 wt % of calcium oxide (in terms of CaCO.sub.3), about 8-18 wt % of boron oxide (in terms of B.sub.2 O.sub.3), and 0 to about 2.5 wt % of potassium oxide (in terms of K.sub.2 O). A ceramic inductor is made of said insulating ceramic composition.

REFERENCES:
patent: 3957499 (1976-05-01), DeMunn et al.
patent: 3970465 (1976-07-01), Houben
patent: 4562161 (1985-12-01), Menneman et al.
patent: 5077240 (1991-12-01), Hayden et al.
patent: 5622903 (1997-04-01), Rapp et al.
Patent Abstracts of Japan; vol. 016, No. 172 (C-0933), Apr. 24, 1992 & JP 04 16551 A (Murata Manufacturing Co., Ltd.), 21 (Jan. 1992).

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