Dielectric ceramic composition and ceramic electronic...

Details Dielectric ceramic composition and ceramic electronic... Dielectric ceramic composition and ceramic electronic...

2006-08-29

2006-08-29

Group, Karl (Department: 1755)

Compositions: ceramic

Ceramic compositions

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

C428S209000, C428S701000, C264S618000

Reexamination Certificate

active

07098160

ABSTRACT:
A dielectric ceramics includes a main ingredient, and a supplemental ingredient in an amount of 0.05 to 2 wt % for the main ingredient. The main ingredient is expressed by xBiO3/2-yCaO-zNbO5/2and is within a scope of a specified quadrilateral region in a ternary system diagram, and the supplemental ingredient is a glass composition including at least SiO2, Li2O and MO (M includes at least one of Ca, Sr and Ba). A ceramic electronic component is produced by co-firing a dielectric layer composed of the dielectric ceramics and a conductive layer mainly composed of silver, and has a low degradation in Q value and excellent microwave characteristics.

REFERENCES:
patent: 5273944 (1993-12-01), Kagata et al.
patent: 5629252 (1997-05-01), Nishimoto et al.
patent: 7-57540 (1995-03-01), None
patent: 7-312511 (1995-11-01), None
patent: 2798105 (1998-07-01), None
patent: 2000-306762 (2000-11-01), None

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