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US 7,732,362 B2Granted
Microwave dielectric ceramic
AssigneePowerwave (UK) Ltd.
InventorsDavid Martin Iddles, Duncan Muir, Timothy James Price
Life of this patent
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Abstract
A dielectric ceramic material as claimed in claim 1 with a composition of formula x CaTiO3+(1−x)SmzRe(1−z)AlO3 (1) optionally doped with about 0.005% to about 5% of CeO2 as a dopant, wherein 0.5≦x≦0.9, 0.3≦z≦0.995, or Re may be selected from a group consisting of La, Pr, Dy, Gd, Y, Er, Ho and mixtures thereof.
Claims8
A dielectric ceramic material with a composition of Formula (1)
- x CaTiO3+(1−x)SmzRe(1−z)AlO3 (1)
- wherein 0.65≦x≦0.72
- 0.8≦z≦0.995
- Re is selected from the group consisting of La and Y and mixtures thereof.
1 more element
Dependencies are inferred from the claim text.