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.

Date of Patent:
Nov. 03, 2026

Filed:

Oct. 05, 2022
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 43/27 (2023.01); H10B 43/10 (2023.01); H10B 43/40 (2023.01);
U.S. Cl.
CPC ...
H10B 43/27 (2023.02); H10B 43/10 (2023.02); H10B 43/40 (2023.02);
Abstract

There are provided a semiconductor memory device and a manufacturing method of the semiconductor memory device. The semiconductor memory device includes a first source structure and a second source structure spaced apart from each other over a semiconductor substrate, a filling pattern between the first source structure and the second source structure, a memory cell array overlapping with the first source structure, and a discharge contact penetrating the second source structure and connected to the semiconductor substrate.


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Yeom, Hyo. (2026). Semiconductor memory device and manufacturing method of a semiconductor memory device (U.S. Patent No. 12787279). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12787279

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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