Patent ID: 6852655
Filing Date: 2005-02-08
Classification: C03C,H05K

Abstract:
1. A dielectric ceramic comprising an inorganic filler and glass, wherein when the total amount of the inorganic filler and the glass is 100 weight %, the amount of the inorganic filler is 20 to 60 weight % and the amount of the glass is 40 to 80 weight %; and when the total amount of the glass is 100 weight %, the glass contains, each in terms of oxide, Si in amount of 20 to 30 weight %, B in an amount of 5 to 30 weight %, Al in an amount of 20 to 30 weight %, Ca in an amount of 10 to 20 weight %, Zn in amount of 10 to 20 weight %, and at least one alkali metal selected from Li, Na and K in a total amount of 0.2 to 5 weight %.