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:
Apr. 19, 2022

Filed:

Apr. 01, 2019
Applicant:

Wuhan China Star Optoelectronics Technology Co., Ltd., Hubei, CN;

Inventor:

Wei Wang, Hubei, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 9/00 (2006.01); G03F 7/20 (2006.01);
U.S. Cl.
CPC ...
G03F 9/7015 (2013.01); G03F 7/70683 (2013.01); H01L 2223/54433 (2013.01);
Abstract

The present application provides a method, an apparatus, and a system for forming code. The method includes while a substrate is transferred to an exposure machine, adjusting the substrate to align with an exposure alignment mark on the substrate with the exposure machine; forming a code formation area on the adjusted substrate by controlling the exposure machine; while the substrate formed with the code formation area is transferred to a code formation machine, adjusting the substrate to align the exposure alignment mark on the substrate with the code formation machine; and forming an identification code in the code formation area on the adjusted substrate by controlling the code formation machine.


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