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. 16, 2025
Filed:
Jun. 23, 2022
Taiwan Semiconductor Manufacturing Company, Ltd., Hsinchu, TW;
Ying-Chi Su, Hsinchu, TW;
Li-Wei Chu, Hsinchu, TW;
Hung-Hsu Chen, Hsinchu, TW;
Chih-Wei Chang, Hsinchu, TW;
Ming-Hsing Tsai, Hsinchu, TW;
TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., Hsinchu, TW;
Abstract
A method for manufacturing a semiconductor structure includes: forming a patterned structure which includes a first semiconductor portion and a second semiconductor portion, the first and second semiconductor portions having different materials; and performing an oxide formation process to oxidize the first and second semiconductor portions such that a first oxidation layer formed on the first semiconductor portion has a thickness less than that of a second oxidation layer formed on the second semiconductor portion.