Low temperature sintering ceramic composition for high...

Details Low temperature sintering ceramic composition for high... Low temperature sintering ceramic composition for high...

2007-11-27

2007-11-27

Group, Karl (Department: 1755)

Compositions: ceramic

Ceramic compositions

Refractory

C501S122000, C428S701000, C428S702000

Reexamination Certificate

active

10548380

ABSTRACT:
A low temperature sintering ceramic composition can be sintered at 850 to 1,000° C., and the sintered ceramic has a low dielectric constant (9 or less at 16 Ghz or more) and a high Qf (10,000 or more). The composition can be co-sintered with wiring material containing Ag, Au, or Cu. The ceramic composition includes (by mass) CaO, MgO, and SiO2in total: over 60% to 98.6%; Bi2O3: from 1% to under 35%; and Li2O: from 0.4% to under 6%; wherein (CaO+MgO) and SiO2are contained in the molar ratio of from 1:1 to under 1:2.5.

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