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. 23, 2025
Filed:
Sep. 26, 2022
Applicant:
United Microelectronics Corp., Hsin-Chu, TW;
Inventors:
Po-Kuang Hsieh, Kaohsiung, TW;
Shih-Hung Tsai, Tainan, TW;
Assignee:
UNITED MICROELECTRONICS CORP., Hsin-Chu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10F 39/00 (2025.01);
U.S. Cl.
CPC ...
H10F 39/026 (2025.01); H10F 39/016 (2025.01); H10F 39/811 (2025.01);
Abstract
A method for fabricating a semiconductor device includes the steps of providing a first wafer and a second wafer as the first wafer includes a device wafer and the second wafer includes a blanket wafer, bonding the first wafer and the second wafer, performing a thermal treatment process to separate the second wafer into a first portion and a second portion, and then planarizing the first portion.