Compositions – Inorganic luminescent compositions – Compositions containing halogen; e.g. – halides and oxyhalides
Patent
1974-06-03
1976-05-04
Douglas, Winston A.
Compositions
Inorganic luminescent compositions
Compositions containing halogen; e.g., halides and oxyhalides
106 52, C09K 1108, C03C 304, C03C 330
Patent
active
039546560
ABSTRACT:
Laser glasses having high resistance to self-damage during operation are formed in all ceramic melting units, in the presence of a fining agent to eliminate the formation of metallic inclusions and semi-conductive inclusions and using base glass compositions with reduced tendency toward microphase separation and devitrification. The major ingredients of the glass batches include silicon dioxide, alkali and alkaline earth nitrates, carbonates and fluorides. The method involves introducing oxidizing compounds into the reaction mixture in a sufficient amount that during the reaction and fining phase, oxidizing conditions are maintained throughout the entire volume of the glass melt.
REFERENCES:
patent: 3422025 (1969-01-01), Switzer et al.
patent: 3471409 (1969-10-01), Lee et al.
patent: 3535266 (1970-10-01), Lee
Deeg Emil W.
Graf Robert E.
American Optical Corporation
Bell Mark
Berkenstock, Jr. H. R.
Douglas Winston A.
Nealon William C.
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