Method of precipitation of a dopant in a porous silicate glass

Details Method of precipitation of a dopant in a porous silicate glass Method of precipitation of a dopant in a porous silicate glass

1975-11-26

1978-08-29

Bashore, S. Leon

Glass manufacturing

Processes

With chemically reactive treatment of glass preform

65 3R, 65 31, 65 32, 65 60D, 65DIG7, 427163, C03C 1500, C03C 1700

Patent

active

041100964

ABSTRACT:
The present invention relates to a new glass material applicable in those situations where thermal and/or mechanical shock would limit the use of other glass materials, presently available. Dopants are deposited into the interconnected pores of a porous glass in a non-uniform manner such that upon consolidation and cooling the final article has its surface under compressive stress. Dopants may also be added to control color and other appearance features.

REFERENCES:
patent: 2336227 (1943-12-01), Dalton
patent: 2355746 (1944-08-01), Nordberg et al.
patent: 2522524 (1950-09-01), Lukes
patent: 3364148 (1968-01-01), Kiuel et al.
patent: 3650598 (1972-03-01), Kitano et al.
patent: 3864113 (1975-02-01), Dumbaugh et al.
patent: 3938974 (1976-02-01), Macedo et al.
patent: 4042359 (1977-08-01), Schnabel
patent: 4061486 (1977-12-01), Jahn

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