Radiant energy – Invisible radiant energy responsive electric signalling – Semiconductor system
Patent
1978-04-24
1980-10-28
Willis, Davis L.
Radiant energy
Invisible radiant energy responsive electric signalling
Semiconductor system
250261, G01T 122
Patent
active
042309450
ABSTRACT:
The present invention relates to ionizing radiation sensors, and, more particularly, to semiconductor spectrometers with thermoelectric cooling, and can most advantageously be used in mineral raw material exploration and evaluation under field conditions. The spectrometer comprises a vacuum chamber with an entrance window for passing the radiation therethrough. The vacuum chamber accommodates a thermoelectric cooler formed by a set of Peltier elements. A heat conducting plate is mounted on the cold side of the thermoelectric cooler, and its hot side is provided with a radiator. Mounted on the heat conducting plate are sets of Peltier elements, integral with the thermoelectric cooler and independent of one another. The Peltier elements of these sets are stacked so as to develop the minimum temperature conditions on one set carrying a semiconductor detector and to provide the maximum refrigeration capacity conditions on the other set provided with the field-effect transistor mounted thereon.
REFERENCES:
patent: 3496360 (1970-02-01), Dewan
patent: 3633030 (1972-01-01), Antkiw et al.
patent: 3702932 (1972-11-01), Tanner et al.
Anatychuk Lukyan I.
Kharitonov Jury P.
Kusniruk Vladimir F.
Meir Vladimir A.
Melnik Anatoly P.
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