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:
Apr. 20, 2021
Filed:
Jul. 01, 2019
Applicant:
Nanya Technology Corporation, New Taipei, TW;
Inventors:
Assignee:
NANYA TECHNOLOGY CORPORATION, New Taipei, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/8238 (2006.01); H01L 21/66 (2006.01);
U.S. Cl.
CPC ...
H01L 21/823878 (2013.01); H01L 21/823892 (2013.01); H01L 22/14 (2013.01); H01L 22/34 (2013.01);
Abstract
The present disclosure provides a semiconductor device and a method for preparing the same. The semiconductor device includes a substrate, a first type region, and a second type region. The first type region is disposed on the substrate and has a ring structure. The second type region is disposed on the substrate and disposed in the center of the first type region. The second type region has a square shape and includes a plurality of corners.