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:
Dec. 14, 1993
Filed:
Mar. 01, 1993
Applicant:
Inventors:
Robert K Reich, North Chelmsford, MA (US);
Bernard Kosicki, Acton, MA (US);
Eugene D Savoye, Concord, MA (US);
Assignee:
Massachusetts Institute of Technology, Cambridge, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
257223 ; 257228 ; 257231 ;
Abstract
A charge-coupled device having an array of pixel elements formed in a substrate, which device is operable in a first state to expand the depletion well regions of each pixel element into the substrate for storing incoming photoelectrons therein and in a second state to contract the expanded depletion well regions to prevent storage of photoelectrons in the contracted depletion well regions.