Method of preparing fluorescent material of small particle size

Details Method of preparing fluorescent material of small particle size Method of preparing fluorescent material of small particle size

1988-06-01

1989-01-31

Cooper, Jack

Compositions

Inorganic luminescent compositions

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

2523014S, C09K 1184

Patent

active

048013986

ABSTRACT:
A fluorescent material of small size is prepared by synthesizing a fluorescent material of predetermined molecular structure in a single phase, pulverizing the fluorescent material thus produced and then heat treating the pulverized material under conditions sufficient to recover the luminance characteristics which were lost as a result of pulverizing.

REFERENCES:
patent: 2187022 (1940-01-01), Flechsig
patent: 3368980 (1968-02-01), Avella et al.
patent: 3457184 (1969-07-01), Kobayashi et al.
patent: 3502590 (1970-03-01), Royce et al.
patent: 4469619 (1984-09-01), Ohno et al.
patent: 4479886 (1984-10-01), Kasenga

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