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:
Feb. 14, 2023
Filed:
May. 05, 2021
Silergy Semiconductor Technology (Hangzhou) Ltd, Hangzhou, CN;
Silergy Semiconductor Technology (Hangzhou) LTD, Hangzhou, CN;
Abstract
A semiconductor device can include: a substrate having a first doping type; a first well region located in the substrate and having a second doping type, where the first well region is located at opposite sides of a first region of the substrate; a source region and a drain region located in the first region, where the source region has the second doping type, and the drain region has the second doping type; and a buried layer having the second doping type located in the substrate and below the first region, where the buried layer is incontact with the first well region, where the first region is surrounded by the buried layer and the first well region, and the first doping type is opposite to the second doping type.