Glass manufacturing – Processes – Operating under inert or reducing conditions
Patent
1988-01-21
1989-02-21
Kratz, Peter
Glass manufacturing
Processes
Operating under inert or reducing conditions
65135, 6537415, C03B 542
Patent
active
048061387
ABSTRACT:
A high quality fluorophosphate laser glass free from bubbles, inclusions and coloring can be obtained by melting a fluorophosphate glass having a total oxide content of 5 to 30% in terms of cationic %, in a carbon container under a non-oxygen gas atmosphere.
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Izumitani Tetsuro
Miura Kiyotaka
Yamashita Toshiharu
Hoya Corporation
Kratz Peter
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