The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 15, 1995
Filed:
Oct. 06, 1993
Robert A Eckel, Jr, Andover, MA (US);
Ronald R Kusner, Harvard, MA (US);
Daniel Y Ang, Quincy, MA (US);
Raytheon Company, Lexington, MA (US);
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.