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:
May. 28, 2013
Filed:
Sep. 12, 2009
Erwin Hijzen, Haasrode, BE;
Magali Lambert, Orsay, FR;
Erwin Hijzen, Haasrode, BE;
Magali Lambert, Orsay, FR;
NXP B.V., Eindhoven, NL;
Abstract
Disclosed is an integrated circuit () comprising a substrate () carrying a plurality of light-sensitive elements () and a blazed grating () comprising a plurality of diffractive elements () for diffracting respective spectral components (-) of incident light () to respective light-sensitive elements (), the blazed grating () comprising a stack of layers, at least some of these layers comprising first portions, e.g. metal portions () arranged such that each diffractive element () comprises a stepped profile of stacked first portions with a first portion in a higher layer laterally extending beyond a first portion in a lower layer of said stepped profile.