Thermoluminescent coactivated rare earth oxyhalide phosphors and

Details Thermoluminescent coactivated rare earth oxyhalide phosphors and Thermoluminescent coactivated rare earth oxyhalide phosphors and

1982-12-20

1984-11-06

Howell, Janice A.

Radiant energy

Automatic/serial detection of similar sources

2523014H, 430139, 2504831, G03C 516

Patent

active

044814160

ABSTRACT:
Oxyhalides of lanthanum, gadolinium and lutetium coactivated with a first activator selected from bismuth and samarium to provide the color of light emission and a second coactivator which increases the amount of stored energy in a stored radiographic latent image are found to be superior in their conversion efficiency of x-rays to visible light.

REFERENCES:
patent: 4054798 (1977-10-01), Watanabe et al.
patent: 4068129 (1978-01-01), Rabatin
patent: 4346295 (1982-08-01), Tanaka et al.
patent: 4356398 (1982-10-01), Komaki et al.

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