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. 11, 2021
Filed:
Dec. 20, 2019
Applicant:
Renesas Electronics Corporation, Tokyo, JP;
Inventors:
Seigo Namioka, Ibaraki, JP;
Yasutaka Nakashiba, Ibaraki, JP;
Assignee:
RENESAS ELECTRONICS CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/025 (2006.01);
U.S. Cl.
CPC ...
G02F 1/025 (2013.01); G02F 2202/105 (2013.01); G02F 2203/50 (2013.01);
Abstract
A semiconductor device includes a first insulating layer, an optical waveguide formed on the first insulating layer, a fixed charge layer formed on the first insulating layer such that the fixed charge layer covers the optical waveguide, and a second insulating layer formed on the fixed charge layer.