Method of making luminescent metaborates

Compositions – Inorganic luminescent compositions – Compositions containing halogen; e.g. – halides and oxyhalides

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C09K 1136, C09K 1178, C09K 1155

Patent

active

060077417

ABSTRACT:
A method is provided whereby high brightness metaborate phosphors are made by milling the reactants in a saturated aqueous solution of magnesia and boric acid prior to firing. The method increases the homogeneity of the fired metaborate phosphor cake and reduces the tendency of the fired cake to stick to the firing boats.

REFERENCES:
patent: 4319161 (1982-03-01), Looye et al.
patent: 5776368 (1998-07-01), Chau

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