Patent ID: 8361918
Filing Date: 2013-01-29
Classification: C04B,H05K,Y10T

Abstract:
1. A ceramic composition comprising: 47.0 to 67.0 wt. % of a Si component, 21.0 to 41.0 wt. % of a Ba component, and 10.0 to 18.0 wt. % of an Al component, as a first additive, 1.0 to 5.0 parts by weight of a Ce component, relative to a total of 100 parts by weight of the Si, Ba and Al components and as a second additive, 2.5 to 5.5 parts by weight of a Mn component, relative to a total of 100 parts by weight of the Si, Ba, Al components and the first additive, and being substantially free of Cr, wherein said Si, Ba, Al, Ce, and components are calculated in terms of SiO