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. 06, 2024
Filed:
Apr. 15, 2021
Applicant:
SK Hynix Inc., Icheon-si, KR;
Inventors:
Dae Hwan Yun, Icheon-si, KR;
Gil Bok Choi, Icheon-si, KR;
Assignee:
SK hynix Inc., Icheon-si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 29/40 (2006.01); H10B 43/27 (2023.01);
U.S. Cl.
CPC ...
H01L 29/408 (2013.01); H10B 43/27 (2023.02);
Abstract
The present technology includes a memory device. The memory device includes a stack structure including word lines and a select line, a vertical hole vertically penetrating the stack structure, and a memory layer, a channel layer, and a plug, sequentially formed along an inner side surface of the vertical hole. The plug includes a material layer having a fixed negative charge.