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:
Dec. 16, 2025
Filed:
Oct. 28, 2022
National Central University, Taoyuan, TW;
Tien-Hsi Lee, Tao-Yuan, TW;
Chun-Huang Wu, Tao-Yuan, TW;
Yu-Sheng Chiou, Tao-Yuan, TW;
Shu-Cheng Li, Tao-Yuan, TW;
Wei-Chi Huang, Tao-Yuan, TW;
Yu-Tang Lin, Tao-Yuan, TW;
National Central University, Taoyuan, TW;
Abstract
A substrate processing method includes providing a substrate, wherein the substrate has a surface and a bottom surface opposite to each other, the substrate is defined with a predetermined area, the predetermined area is defined with a predetermined reaction part, and the predetermined reaction part extends from the surface toward the bottom surface of the substrate; performing a anodization reaction on the predetermined reaction part by an electrochemical method to convert the predetermined reaction part into a weakened layer, wherein the weakened layer has a thickness; and removing the weakened layer so that the substrate in the predetermined area has an exposed surface.