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US 6,660,674 B2Granted
Dielectric ceramic composition for high frequency wave
AssigneeUbe Electronics, Ltd.
InventorsKazuki Iwashita, Koichi Fukuda
Life of this patent
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Abstract
A dielectric ceramic composition for high frequency wave having a composition comprising Al, Zr, Ti, Sn and O as a basic composition and represented by compositional formula: aAl2O3-bZrO2-cTiO2-dSnO2 (in which 0.4068<a<0.9550, 0<b<0.1483, 0.0225<c<0.3263, 0.0203<d<0.1186, a+b+c+d=1).
Claims4
A dielectric ceramic composition for high frequency wave having a composition comprising Al, Zr, Ti, Sn and O as a basic component and represented by the compositional formula:
- aAl2O3-bZrO2-cTiO2-dSnO2
- (in which 0.4068<a<0.9550, 0<b<0.1483, 0.0225<c<0.3263, 0.0203<d<0.1186 and a+b+c+d+=1).
Dependencies are inferred from the claim text.