Solid state radiation detector system

Details Solid state radiation detector system Solid state radiation detector system

1976-07-12

1977-08-30

Borchelt, Archie R.

Radiant energy

Invisible radiant energy responsive electric signalling

Semiconductor system

250205, G01T 124

Patent

active

040456757

ABSTRACT:
A solid state radiation flux detector system utilizes a detector element, consisting of a bar of semiconductor having electrical conductance of magnitude dependent upon the magnitude of photon and charged particle flux impinging thereon, and negative feedback circuitry for adjusting the current flow through a light emitting diode to facilitate the addition of optical flux, having a magnitude decreasing in proportion to any increase in the magnitude of radiation (e.g. X-ray) flux incident upon the detector element, whereby the conductance of the detector element is maintained essentially constant. The light emitting diode also illuminates a photodiode to generate a detector output having a stable, highly linear response with time and incident radiation flux changes.

REFERENCES:
patent: 2938003 (1960-05-01), Jacobs
patent: 3479455 (1969-11-01), Gebel
patent: 3901812 (1975-08-01), Hallengren
patent: 3932744 (1976-01-01), Anderson

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