Radiation detector having means for exciting trapped carriers

Details Radiation detector having means for exciting trapped carriers Radiation detector having means for exciting trapped carriers

1991-08-29

1993-09-28

Fields, Carolyn E.

Radiant energy

Invisible radiant energy responsive electric signalling

Semiconductor system

25037009, 25037012, 25037013, G01T 124

Patent

active

052488853

ABSTRACT:
In a radiation detector for detecting a high dose radiation, a radiation detecting element is heated or infrared rays are emitted into the radiation detecting element. Carriers trapped by defects or the like in the radiation detecting element are thereby excited to compensate for output reductions occurring at a time of high dose incidence. Where infrared rays are used, the energy of the infrared rays is set smaller than a band gap energy of a compound semiconductor forming the radiation detecting element and greater than a trap level present in the compound semiconductor.

REFERENCES:
patent: 3636354 (1972-01-01), Leheny et al.
patent: 4547670 (1985-10-01), Sugimoto et al.

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