Composition for making multilayer ceramic substrates and dielect

Details Composition for making multilayer ceramic substrates and dielect Composition for making multilayer ceramic substrates and dielect

1992-03-04

1993-09-07

Group, Karl

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 66, 501122, C03C 1400

Patent

active

052428672

ABSTRACT:
A composition for multilayer ceramic substrates and dielectric materials with low firing temperatures is disclosed. The composition, based on the total weight of the composition, includes 40-80% of amorphous borosilicate glass which contains 60-80% by weight of SiO.sub.2, 15-30% by weight of B.sub.2 O.sub.3, 0.5-1.5% by weight of Al.sub.2 O.sub.3 and 0.5-3% by weight of alkali oxides; and 20-60% of fillers selected from the groups of alumina, forsterite, quartz, fused SiO.sub.2, mullite, cordierite, BN, and AlN.

REFERENCES:
patent: 4547625 (1985-10-01), Tosaki et al.
patent: 4624934 (1986-11-01), Kokubu et al.
patent: 4849379 (1989-07-01), McCormick
patent: 4939021 (1990-07-01), Aoki et al.
patent: 5024975 (1991-06-01), Hartmann
patent: 5070046 (1991-12-01), Hu
patent: 5079194 (1992-01-01), Jean et al.

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