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:
Aug. 05, 2025
Filed:
May. 07, 2024
Diodes Incorporated, Plano, TX (US);
Diodes Incorporated, Plano, TX (US);
Abstract
A method includes providing a substrate having a first conductivity type, and having a first surface and a second surface opposite to the first surface, diffusing impurities into the substrate to form a first diffusion layer having the first conductivity type and a second diffusion layer having a second conductivity type, forming a plurality of diffusion regions having the first conductivity in the second diffusion layer having the second conductivity type, forming a square groove ring in the substrate, forming a glass layer over the square groove ring, forming a first electrode layer on the first diffusion layer, and forming a second electrode layer on the second diffusion layer, wherein the second electrode layer is in contact with the plurality of diffusion regions.