Phosphate fluorescent substance

Details Phosphate fluorescent substance Phosphate fluorescent substance

1984-06-27

1985-08-13

Demers, Arthur P.

Compositions

Inorganic luminescent compositions

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

25230136, 313467, 423311, 427157, C09K 1108

Patent

active

045348855

ABSTRACT:
In a phosphate fluorescent substance including orthophosphate as a parent material and manganese as a main activator, said phosphate fluorescent substance has at least one of the following features (I) and (II): (I) The maximum intensity point in the glow curve is within the range of 200.degree.-400.degree. C. and (II) Ia/Ib is within the range of 0.6-3.0.

REFERENCES:
patent: 3013979 (1961-12-01), Ranby et al.
patent: 4207301 (1980-06-01), Danjushevskaya
Farnsworth, et al., Zinc Chemicals; Zinc Institute Inc., New York, N.Y., 1974.

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