Spectrometer

Details Spectrometer Spectrometer

G - Physics

01

T

358/21, 73/55

G01T 1/14 (2006.01)

Patent

CA 1112771

SPECTROMETER Abstract of the Disclosure 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 in field conditions. The spectrometer comprises a vacuum chamber with an entrance window to pass the radiation therethrough. The vacuum chamber accommodates a thermoelectric cooler arranged therein and formed by a set of Peltier elements. A heat conducting plate is mounted on the cold side of the thermoelectric cooler, its hot side being provided with a radiator. Mounted on the heat conduc- ting plate are sets of Peltier elements, integral with the thermo- electric cooler and independent of one another. The Peltier ele- ments of these sets are stacked so as to develop the minimum temperature conditions on one set carrying a semiconductor detec- tor and to provide the maximum refrigeration capacity conditions on the other set provided with the field-effect transistor mounted thereon.

301708

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