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:
Sep. 06, 2022
Filed:
May. 12, 2020
Applicant:
Renesas Electronics Corporation, Tokyo, JP;
Inventors:
Tetsuya Iida, Tokyo, JP;
Yasutaka Nakashiba, Tokyo, JP;
Assignee:
RENESAS ELECTRONICS CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/225 (2006.01); G02F 1/21 (2006.01);
U.S. Cl.
CPC ...
G02F 1/2257 (2013.01); G02F 1/212 (2021.01);
Abstract
A semiconductor device has a first semiconducting layer including an optical waveguide, a dielectric layer formed on the optical waveguide, and a conductive layer formed on the dielectric layer. A refractive index of a material of the conductive layer is smaller than a refractive index of a material of the first semiconductor layer.