Low-fire, low-dielectric ceramic compositions

Details Low-fire, low-dielectric ceramic compositions Low-fire, low-dielectric ceramic compositions

1999-06-11

2000-10-24

Marcheschi, Michael

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 17, 501 21, C03C 3064, C03C 814, C03C 1400

Patent

active

061367346

ABSTRACT:
A low-fire, low-dielectric ceramic composition is disclosed. The ceramic composition comprises a mixture of finely divided particles consisting of 30-90% by volume of calcium borosilicate glass and 10-70% by volume of fillers consisting essentially of Al.sub.2 O.sub.3 and amorphous SiO.sub.2, which can be densified up to 95% at temperatures of 800-1000.degree. C. The sintered body produced thereby exhibits a dielectric constant in the range of 6-9 and a dielectric loss in the range of 0.01%-0.5% at 1 MHz. The ceramic composition can be processed with organic solvent, polymeric binder and plasticizer to produce a green sheet which is co-firable with high electrical conductivity metal such as gold, silver, silver-palladium and copper.

REFERENCES:
patent: 4624934 (1986-11-01), Kokubu et al.
patent: 4788046 (1988-11-01), Barringer et al.
patent: 5242867 (1993-09-01), Lin et al.

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