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:
Sep. 23, 2025
Filed:
Sep. 22, 2022
Applicant:
Changxin Memory Technologies, Inc., Hefei, CN;
Inventors:
Luguang Wang, Hefei, CN;
Heng-Chia Chang, Hefei, CN;
Assignee:
CHANGXIN MEMORY TECHNOLOGIES, INC., Hefei, CN;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/522 (2006.01); H01L 23/528 (2006.01); H10B 12/00 (2023.01); H10D 62/17 (2025.01);
U.S. Cl.
CPC ...
H01L 23/5228 (2013.01); H01L 23/5283 (2013.01); H10B 12/0335 (2023.02); H10B 12/05 (2023.02); H10B 12/315 (2023.02); H10B 12/482 (2023.02); H10B 12/485 (2023.02); H10B 12/488 (2023.02); H10D 62/292 (2025.01);
Abstract
A semiconductor structure includes: a substrate; bit lines located in the substrate and including a main body and a plurality of contact portions, the main body extending in a first direction, the contact portions being connected to the main body and extending toward the top surface of the substrate, and the plurality of contact portions being arranged at intervals in the first direction; and transistors located on a top surface of the contact portion, the extension direction of a channel of the transistor being perpendicular to a plane where the substrate is located.