Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Xilin Xu0
Michael S. Randall0
Pascal Pinceloup0
Thomas Poole0
Abhijit Gurav0
Azizuddin Tajuddin0
Corey Antoniades0
Daniel E. Barber0
...
Date of Patent
March 2, 2010
Patent Application Number
12257532
Date Filed
October 24, 2008
Patent Primary Examiner
Patent abstract
A dielectric ceramic composition in a multilayer ceramic capacitor with a composition of formula:{[(CaO)t(SrO)1-t]m[(ZrO2)v(TiO2)1-v]}1-s-xAsEx wherein:A is a transition metal oxide;E is an oxide of an element selected from the group consisting of Ge, Si, Ga and combinations thereof;m is 0.98 to 1.02;t is 0.50 to 0.90;v is 0.8 to 1.0;s and x are selected from the group consisting of: a) 0≦x≦0.08, 0.0001≦s≦0.043 and x≧1.86s; and b) 0≦x≦0.0533, 0.0001≦s≦0.08 and x≦0.667s.
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