Glass manufacturing – Processes – With chemically reactive treatment of glass preform
Patent
1976-01-22
1977-04-26
Bashore, S. Leon
Glass manufacturing
Processes
With chemically reactive treatment of glass preform
65 31, 156 663, C03C 1500
Patent
active
040198847
ABSTRACT:
A method for providing broad-band antireflective surface layers on a chemically durable borosilicate glass which comprises phase-separating the glass by heat treatment at 630.degree.-660.degree. C., removing a siliceous surface layer from the glass, and treating the glass in an aqueous solution containing both H.sup.+ ions and F.sup.- ions for a time sufficient to produce the antireflective surface layer, is described. Antireflective surface layers exhibiting reflectances as low as 0.5% throughout the wavelength range from about 0.4-2.0 microns have been produced.
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patent: 3647583 (1972-03-01), De Rouw
patent: 3785793 (1974-11-01), Park
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Elmer Thomas H.
Walters Helen
Bashore S. Leon
Corning Glass Works
Janes Jr. Clinton S.
Miga Frank W.
Patty, Jr. Clarence R.
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