Radiant energy – Invisible radiation responsive nonelectric signalling – Luminescent device
Patent
1988-07-21
1990-06-05
Howell, Janice A.
Radiant energy
Invisible radiation responsive nonelectric signalling
Luminescent device
2504831, H01J 163
Patent
active
049316516
ABSTRACT:
A phosphor for emission of light under low-velocity electron excitation having the formula:
REFERENCES:
patent: 3459667 (1969-08-01), Larach et al.
patent: 4208612 (1980-02-01), Hase et al.
patent: 4499005 (1985-02-01), McColl et al.
Kroger, "Na & Li as Activators . . . in ZnS", Ann. of the Optical Soc. of Amer. vol. 39 #8 (1949) p. 670.
Hase Takashi
Kagami Akiyasu
Hanig Richard
Howell Janice A.
Kasei Optonix Ltd.
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