High alumina, alkaline earth borosilicate glasses for flat panel

Details High alumina, alkaline earth borosilicate glasses for flat panel High alumina, alkaline earth borosilicate glasses for flat panel

1991-08-12

1992-05-26

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

340719, 359 82, 501 69, C03C 3085, C03C 3091

Patent

active

051167875

ABSTRACT:
This invention relates to glasses for use as substrates in flat panel display devices which use polycrystalline silicon thin film transistors. The compositions for those glasses are essentially free from alkali metal oxides and MgO and consist essentially, in weight percent, of:

REFERENCES:
patent: 4634683 (1987-01-01), Dumbaugh, Jr.
patent: 4634684 (1987-01-01), Dumbaugh, Jr.
patent: 4824808 (1989-04-01), Dumbaugh, Jr.
patent: 4994415 (1991-02-01), Imai et al.

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