Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Patent
1983-06-17
1986-01-14
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
250207, H01J 3150
Patent
active
045647534
ABSTRACT:
A detector for the detection of, for example, Cerenkov radiation includes an entrance screen (5) which may cover more than half of an envelope (1); the majority of the envelope is preferably spherical. A photo-electron detecting exit screen (11) is proportioned and arranged inside the envelope (1) so that a small decay time and a high sensitivity are achieved. A scintillant exit screen (11), which is mounted on an indentation (15) in the envelope (1), can thus produce, in conjunction with a photomultiplier tube (17) mounted inside the indentation (15), a photoelectric intensification by a factor 100.
REFERENCES:
patent: 2534932 (1947-06-01), Sun
patent: 2553197 (1946-05-01), Lems
patent: 3280356 (1958-07-01), Stoudenheimer
Kuhl Walter H.
Van Aller Gerardus
Abate Joseph P.
Gatto J.
Nelms David C.
Treacy David R.
U.S. Philips Corporation
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