Barium and/or strontium aluminosilicate crystal-containing glass

Details Barium and/or strontium aluminosilicate crystal-containing glass Barium and/or strontium aluminosilicate crystal-containing glass

1985-10-23

1987-01-06

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 69, C03C 1400, C03C 3085

Patent

active

046346830

ABSTRACT:
This invention is directed to the fabrication of flat panel display devices wherein a film of large crystal polysilicon is grown on a substrate. More specifically, this invention is drawn to the fabrication of such devices wherein the substrate is fashioned from a phase separated glass consisting essentially of extremely fine-grained crystals homogeneously dispersed in a glass matrix, the base glass therefor being essentially free from alkali metal oxide and consisting essentially, in mole percent, of 2-6% BaO and/or SrO, 18-26% Al.sub.2 O.sub.3, and 68-80% SiO.sub.2.

REFERENCES:
patent: 3942992 (1976-03-01), Flannery
patent: 3962117 (1976-06-01), Reade
patent: 4012263 (1977-03-01), Shell
patent: 4180618 (1979-12-01), Alpha et al.

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