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:
Jun. 02, 2026
Filed:
Sep. 02, 2022
Applicant:
Unisantis Electronics Singapore Pte. Ltd., Singapore, SG;
Inventors:
Assignee:
UNISANTIS ELECTRONICS SINGAPORE PTE. LTD., Singapore, SG;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10B 10/00 (2023.01);
U.S. Cl.
CPC ...
H10B 10/125 (2023.02);
Abstract
A method for forming a first impurity regionconnected to lower portions of first semiconductor pillars and second impurity regionsandconnected to lower portions of second semiconductor pillars includes forming a semiconductor layerhaving an impurity concentration lower than an impurity concentration of each of the first impurity regionand the second impurity regionsandin impurity boundary regions of the first impurity regionand the second impurity regionsandin a vertical direction and a horizontal direction.