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:
Oct. 19, 2021
Filed:
Dec. 18, 2019
Commissariat À L'énergie Atomique ET Aux Énergies Alternatives, Paris, FR;
Laurent Frey, Fontaine, FR;
Yvon Cazaux, Grenoble, FR;
Abstract
An image sensor including a plurality of pixels, each including: a semiconductor photodetection region; a metal region arranged on a first surface of the semiconductor region; a band-pass or band elimination interference filter arranged on a second surface of the semiconductor region opposite to the first surface; and between the semiconductor region and the metal region, a portion of the absorbing layer made of a material different from that of the semiconductor region, the absorbing layer being capable of absorbing, in a single passage, more than 30% of an incident radiation at the central wavelength of the pass band or of the stop band of the interference filter.