Process for producing optical glass

Details Process for producing optical glass Process for producing optical glass

1982-01-06

1984-01-17

Schor, Kenneth M.

Glass manufacturing

Processes

With shaping of particulate material and subsequent fusing...

65 17, 65 301, 65 32, 501 12, C03B 1906

Patent

active

044262167

ABSTRACT:
Optical glass is produced by heating a porous gel to a high temperature to partly sinter it, heating it in a chlorine-containing atmosphere to subject it to hydroxyl group removal treatment, and then further heating it to sinter it. The optical glass produced by this process does not rise in bubbles even when heated.

REFERENCES:
patent: 3459522 (1969-08-01), Elmer et al.
patent: 3666414 (1972-05-01), Bayer
patent: 4317668 (1982-03-01), Susa et al.
patent: 4338111 (1982-07-01), Edahiro et al.
Susa et al; Electronics Letters (10 Jun. 1982) vol. 18 No. 12, pp. 499-500.

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