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:
May. 14, 2024
Filed:
Jan. 06, 2021
Applicant:
Semiconductor Energy Laboratory Co., Ltd., Atsugi, JP;
Inventors:
Assignee:
Semiconductor Energy Laboratory Co., Ltd., Atsugi, JP;
Primary Examiner:
Int. Cl.
CPC ...
H10B 43/27 (2023.01); G11C 16/00 (2006.01); G11C 16/04 (2006.01); G11C 16/08 (2006.01); H10B 41/27 (2023.01);
U.S. Cl.
CPC ...
H10B 43/27 (2023.02); G11C 16/0483 (2013.01); G11C 16/08 (2013.01); H10B 41/27 (2023.02);
Abstract
A novel semiconductor device is provided. A memory string, which extends in the Z direction and includes a conductor and an oxide semiconductor, intersects with a plurality of wirings CG extending in the Y direction. The conductor is placed along a center axis of the memory string, and the oxide semiconductor is concentrically placed outside the conductor. The conductor is electrically connected to the oxide semiconductor. An intersection portion of the memory string and the wiring CG functions as a transistor. In addition, the intersection portion functions as a memory cell.