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. 27, 2017
Filed:
Mar. 06, 2015
Seiko Epson Corporation, Shinjuku-ku, JP;
Akira Uematsu, Suwa, JP;
Atsushi Matsuo, Azumino, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A semiconductor wafer includes a semiconductor substrate, a dielectric multilayer film formed on the semiconductor substrate and serving as an optical filter on a light receiving sensor, and a light detection region formed in the semiconductor substrate, with the Poisson ratio VS, Young's modulus ES, the radius r, and the thickness b of the semiconductor substrate, stress σ in the dielectric multilayer film, and the thickness d of the dielectric multilayer film satisfy a relationship 1.0×10≧{3×r×d×(1−VS)×σ}/(ES×b).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile