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:
Jun. 05, 2012
Filed:
May. 04, 2011
Applicant:
Mark Allen Itzler, Princeton, NJ (US);
Inventor:
Mark Allen Itzler, Princeton, NJ (US);
Assignee:
Princeton Lightwave, Inc., Cranbury, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An imaging sensor having sensitivity at the single-photon level is disclosed. The sensor comprises an array of pixels, each of which comprises a negative-feedback avalanche diode and a read-out circuit that includes a counter. The counter keeps track of the number of photons detected by the diode during a given time period.