Method of making manganese sensitized neodymium fluorescent glas

Details Method of making manganese sensitized neodymium fluorescent glas Method of making manganese sensitized neodymium fluorescent glas

1979-08-29

1983-09-27

Kellogg, Arthur D.

Glass manufacturing

Processes

Operating under inert or reducing conditions

65134, 2523014P, 2523014F, 501 64, C03B 522

Patent

active

044066813

ABSTRACT:
Disclosed is a process for preparing fluorescent inorganic glasses containing Nd.sub.2 O.sub.3 as a fluorescent species and containing MnO as a sensitizer but containing essentially no higher oxides of manganese. In the disclosed process an internal reducing agent is employed in the melting of the glass and such agent reduces the higher oxides of manganese upon cooling of the melt.

REFERENCES:
patent: 3549554 (1970-12-01), Hirayama et al.
patent: 3580859 (1971-05-01), Buzhinsky et al.
patent: 3716349 (1973-02-01), Deeg et al.
patent: 3928229 (1975-12-01), Neuroth
patent: 4002449 (1977-01-01), Spanoudis

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