Non-lead glass for forming dielectric, glass ceramic...

Details Non-lead glass for forming dielectric, glass ceramic... Non-lead glass for forming dielectric, glass ceramic...

2005-10-18

2009-06-09

Lorengo, Jerry (Department: 1793)

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

C501S008000, C501S010000, C501S017000, C501S137000, C501S138000, C501S139000

Reexamination Certificate

active

07544629

ABSTRACT:
A non-lead glass for forming a dielectric, which consists essentially of, as represented by mol %, from 20 to 39% of SiO2, from 5 to 35% of B2O3, from 2 to 15% of Al2O3, from 1 to 25% of CaO+SrO, from 5 to 25% of BaO, from 0 to 35% of ZnO, and from 0 to 10% of TiO2+ZrO2+SnO2, provided that B2O3+ZnO is from 15 to 45%, and which does not contain alkali metal oxides, or contains such oxides in a total amount within a range of less than 1%. Further, a glass ceramic composition for forming a dielectric, which consists essentially of a Ba-containing compound powder and a powder of the above mentioned non-lead glass for forming a dielectric. Further, a dielectric obtained by firing the above glass ceramic composition for forming a dielectric.

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