Radiant energy sensor with blooming control

Details Radiant energy sensor with blooming control Radiant energy sensor with blooming control

1980-03-12

1982-03-23

Edlow, Martin H.

357 24, 357 23, 357 41, H01L 2714, H01L 2978

Patent

active

043216145

ABSTRACT:
A radiant energy sensor incorporating a substrate having two electrodes on a first surface and a third electrode on a second surface is described wherein a first electrode collects a first portion of charge generated by radiant energy absorbed in the substrate to provide an output signal and wherein the second electrode is biased with a voltage supply to attract and remove a second portion of charge from the substrate and first electrode to prevent blooming due to excess charge. The sensor includes a layer of semiconductor material deposited over the substrate and over the first and second electrode to conserve detector area and to permit the location of circuitry over top of the second electrode.

REFERENCES:
patent: 4028716 (1977-06-01), van Santen
patent: 4028719 (1977-06-01), Curtis
patent: 4093872 (1978-06-01), Hartman
patent: 4142198 (1979-02-01), Finnila
patent: 4176369 (1979-11-01), Nelson
patent: 4190851 (1980-02-01), Finnila
patent: 4198646 (1980-04-01), Alexander
patent: 4257057 (1981-03-01), Cheung

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