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.

Date of Patent:
Jun. 13, 2023

Filed:

Aug. 27, 2021
Applicant:

Taiwan Semiconductor Manufacturing Co., Ltd., Hsinchu, TW;

Inventors:

Hao-Yu Lan, Taipei, TW;

Po-Chung Cheng, Chiayi County, TW;

Ching-Juinn Huang, Changhua County, TW;

Tzung-Chi Fu, Miaoli County, TW;

Tsung-Yen Lee, Hsinchu County, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 9/00 (2006.01);
U.S. Cl.
CPC ...
G03F 9/7019 (2013.01);
Abstract

A system is disclosed. The system includes a cleaning device and a scanner device. The cleaning device is configured to clean a mask. The scanner device is coupled to the cleaning device and is configured to receive the mask, a reference image and a real-time image that is captured at the mask. The reference image includes at least one first mark image having a plurality of mapping marks on the mask. The real-time image includes at least one second mark image having the plurality of mapping marks on the mask. The scanner device is configured to map the at least one second mark image in the real-time image with the at least one first image in the reference image, when a lithography exposing process is performed. A method is also disclosed herein.


Find Patent Forward Citations

Loading…