Low temperature firing glass-ceramic substrate and production pr

Details Low temperature firing glass-ceramic substrate and production pr Low temperature firing glass-ceramic substrate and production pr

1998-03-12

1999-05-11

Group, Karl

Compositions: ceramic

Ceramic compositions

Devitrified glass-ceramics

501 32, 501 65, 65 337, C03C10/04;14/00

Patent

active

059027584

ABSTRACT:
A low temperature firing glass-ceramic substrate comprising a borosilicate glass, .alpha.-alumina, .gamma.-alumina, and mullite crystals crystallized out in a dispersed form from the borosilicate glass and the .gamma.-alumina, and a production process of the substrate. It is an object of this invention to provide a glass-ceramic substrate, which is low in dielectric constant and dielectric loss and high in strength and is useful for multilayer wiring.

REFERENCES:
patent: 4939021 (1990-07-01), Aoki et al.
patent: 5258335 (1993-11-01), Muralidhar et al.
patent: 5468694 (1995-11-01), Taguchi et al.

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