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:
Oct. 15, 2024
Filed:
Aug. 16, 2022
Allegro Microsystems, Llc, Manchester, NH (US);
Yu-Chun Li, New Taipei, TW;
Felix Palumbo, Buenos Aires, AR;
Chung C. Kuo, Manchester, NH (US);
Thomas S. Chung, Merrimack, NH (US);
Maxim Klebanov, Palm Coast, FL (US);
Allegro MicroSystems, LLC, Manchester, NH (US);
Abstract
A Schottky diode includes a substrate having a first type dopant, a buried layer within the substrate and having a second type dopant, an epitaxial layer above the buried layer and having the second type dopant, a plurality of rings within the epitaxial layer and having the first type dopant, wherein the plurality of rings comprises an L-shaped ring, a shallow trench isolation (STI) layer at the top region of the epitaxial layer, an anode, a cathode spaced from the anode by the STI layer, and wherein the buried layer has an open region substantially vertically aligned with the anode.