Method of manufacturing a cerium activated luminescent rare-eart

Details Method of manufacturing a cerium activated luminescent rare-eart Method of manufacturing a cerium activated luminescent rare-eart

1975-05-16

1977-05-17

Cooper, Jack

Compositions

Inorganic luminescent compositions

Compositions containing halogen; e.g., halides and oxyhalides

C09K 1146

Patent

active

040240703

ABSTRACT:
A method of manufacturing a rare-earth aluminate, particularly a luminescent rare-earth aluminate, in which a starting mixture of the composite oxides or of compounds producing these oxides at an elevated temperature together with a flux is heated at a high temperature. At least one of the compounds rubidium fluoride, cesium fluoride and potassium fluoride is used as a flux.

REFERENCES:
patent: 3564322 (1971-02-01), Blasse
patent: 3577350 (1971-05-01), Amster
patent: 3623994 (1971-11-01), Royce et al.
patent: 3657140 (1972-04-01), Gibbons et al.

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