Compositions: ceramic – Ceramic compositions – Devitrified glass-ceramics
Patent
1989-10-19
1991-12-03
Dixon, Jr., William R.
Compositions: ceramic
Ceramic compositions
Devitrified glass-ceramics
501 65, 501 69, 501 77, C03C 1008
Patent
active
050700464
ABSTRACT:
A composition for making dielectric layers having low dielectric constant, the composition comprising an admixture of finely divided solids comprising lead-free amorphous borosilicate glass and cordierite glass. The dielectric layers are useful in circuits, especially multilayers circuits for high density applications.
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patent: 4883705 (1989-11-01), Kawakami
Dixon Jr. William R.
E. I. Du Pont de Nemours and Company
Gallo Chris
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