Radiant energy – Invisible radiant energy responsive electric signalling – With or including a luminophor
Patent
1989-09-05
1991-04-09
Hannaher, Constantine
Radiant energy
Invisible radiant energy responsive electric signalling
With or including a luminophor
250253, G01T 120
Patent
active
050067133
ABSTRACT:
An alpha particle radiation probe which eliminates the need for any intermediate light coupling devices between the scintillation generating phosphor and scintillation detector while at the same time providing uniform response to alpha particles over a substantially larger area than has heretofore been possible on the order of 100 cm.sup.2 to 150 cm.sup.2. The structure is arranged to quickly replace a light blocking screen that has been damaged in use. Significant reductions in weight and cost are also achieved because of the simpler construction and the elimination of the light coupling devices heretofore used. The apparatus eliminates the need for a second small aperture probe detector for localizing radiation hot spots by providing aperture reducing means quickly attachable to and detachable from the scanning window to reduce its aperture and provide the hot spots detection function simply and inexpensively.
REFERENCES:
patent: 2841715 (1958-07-01), Schultz
patent: 3448276 (1969-06-01), Witte
patent: 3950647 (1976-04-01), Piltingsrud
patent: 4107534 (1978-08-01), Piltingsrud
patent: 4562354 (1985-12-01), Keller et al.
Miller John C.
Pandey Sudhakar
Pollock Earl M.
Glick Edward J.
Hannaher Constantine
Nuclear Research Corp.
Udell Walter B.
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