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. 08, 2026
Filed:
Sep. 29, 2023
Taiwan Semiconductor Manufacturing Company Ltd, Hsinchu, TW;
Shih-Yu Liao, Hsinchu, TW;
Tao-Cheng Liu, Hsinchu, TW;
TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., Hsinchu, TW;
Abstract
A photonic device structure and method of fabricating the same. The structure includes a substrate that has a first top oxide layer and a silicon layer that is formed on the first top oxide layer. The structure further includes a plurality of rib waveguide components that are formed in the silicon layer. A first rib waveguide component of the plurality includes first contact holes having a first contact hole depth, and a second rib waveguide component of the plurality includes second contact holes having a second contact hole depth, such that the depths of the first contact hole and the second contact hole are different.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile