Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Patent
1993-10-06
1995-08-15
Hannaher, Constantine
Radiant energy
Invisible radiant energy responsive electric signalling
Infrared responsive
250332, 250349, H01L 27146
Patent
active
054421764
ABSTRACT:
An infrared detector array having a plurality of infrared detectors arranged in a matrix of rows and columns in a first semiconductor body; and, a plurality of integration/read circuits arranged in a matrix of rows and columns in a second semiconductor body, each one of the plurality of integration/read circuits being in vertical registration with, and electrically connected to, a corresponding one of the plurality of detectors. Each one of the integration/read circuits includes: a capacitor; a first transistor, electrically coupling the capacitor and the corresponding one of the detectors during an integration mode, for enabling current generated in the detector in response to impinging radiation to pass from the detector to the capacitor for integration; and a second transistor, electrically coupling the charge built-up on the capacitor during the integration mode to an output bus during a subsequent read mode. A reset circuit, laterally displaced from the integration/read circuitry, is coupled to the output bus, for discharging the charge built-up on the capacitor during the integration mode and for discharging charge generated in the detector during a subsequent reset mode.
REFERENCES:
patent: 4902895 (1990-02-01), Hanson
patent: 5038026 (1991-08-01), Krause
patent: 5268576 (1993-12-01), Dudley
Ang Daniel Y.
Eckel, Jr. Robert A.
Kusner Ronald R.
Clark William R.
Hannaher Constantine
Mofford Donald F.
Raytheon Company
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