Compensatory procedure for preparing haloapatite phosphors

Details Compensatory procedure for preparing haloapatite phosphors Compensatory procedure for preparing haloapatite phosphors

1985-09-06

1986-09-23

Cooper, Jack

Compositions

Inorganic luminescent compositions

Zinc or cadmium containing

2523014P, C09K 11453

Patent

active

046134530

ABSTRACT:
In the manufacture of an alkaline earth haloapatite phosphor, raw materials including calcium carbonate are blended together and then fired. However, before blending, the particle size of the calcium carbonate is first determined, and the quantities of some of the other raw materials are adjusted in a manner dependent on said particle size.

REFERENCES:
patent: 3549553 (1970-12-01), Wachtel
patent: 3655576 (1972-04-01), Layman et al.
patent: 3764555 (1973-10-01), Vincent et al.

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