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:
Nov. 19, 2024
Filed:
Oct. 26, 2021
Applicant:
SK Hynix Inc., Icheon-si, KR;
Inventor:
Hyo Sub Yeom, Icheon-si, KR;
Assignee:
SK hynix Inc., Icheon-si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H10B 43/40 (2023.01); H01L 29/10 (2006.01); H01L 29/792 (2006.01);
U.S. Cl.
CPC ...
H10B 43/40 (2023.02); H01L 29/1095 (2013.01); H01L 29/792 (2013.01);
Abstract
A semiconductor memory device includes a semiconductor substrate including an upper surface extending in a horizontal direction, a source structure including a trench extending in the horizontal direction, the source structure disposed above the semiconductor substrate, a metal structure in the trench of the source structure and connecting the source structure to the semiconductor substrate, and memory cell strings disposed on both sides of the trench and connected to the source structure.