Radiant energy – Invisible radiant energy responsive electric signalling – Semiconductor system
Patent
1996-01-22
1998-01-27
Fields, Carolyn E.
Radiant energy
Invisible radiant energy responsive electric signalling
Semiconductor system
G01T 124
Patent
active
057124841
ABSTRACT:
A germanium detector measures an energy spectrum of gamma ray flux. The detector includes a copper cooling layer continuous over a periphery of the columnar germanium crystal. The cooling layer reduces current leakage induced by heat, so that high energy gamma rays can be precisely detected. A combination of a plurality of germanium crystal bodies connected one another to form the germanium crystal of at least 20 cm leads to a more precise detection of high energy gamma rays.
REFERENCES:
patent: 3496360 (1970-02-01), Dewan
patent: 3633030 (1972-01-01), Antkiw et al.
patent: 4315417 (1982-02-01), Zarudiansky
C. Michel, et al., "Monte Carlo Simulation of Complex Germanium Detector Systems and Compton Suppression Spectrometers," Nuclear Instruments and Methods in Physics Research, 1986, A251: 119-133.
Harada Hideo
Sato Isamu
Doryokuro Dakunenryo Kaihatsu Jigyodan
Fields Carolyn E.
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