Lead activated luminescent material and process for its producti

Details Lead activated luminescent material and process for its producti Lead activated luminescent material and process for its producti

1985-04-04

1986-03-25

Cooper, Jack

Compositions

Inorganic luminescent compositions

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

501 23, C09K 1136

Patent

active

045782121

ABSTRACT:
There are described luminescent materials activated with lead upon excitation with long wave and short wave ultraviolet rays emit in the blue-green region, have long afterglow times, can be prepared from components which do not have high purity, are not susceptible to pulverizing, and are stable to the customary ceramic glazes. They consist of (or consist essentially of):

REFERENCES:
patent: 3598752 (1971-08-01), Sisneros et al.
patent: 3859102 (1975-01-01), Fearns et al.
patent: 4038448 (1977-07-01), Boyd et al.
patent: 4158081 (1979-07-01), Wexell

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