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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.:

US 11637117 B1

PDFFull Text
Date of Patent:
Apr. 25, 2023

Filed:

Sep. 25, 2020

Semiconductor device having selection line stud connected to string selection line

Applicant:

Samsung Electronics Co., Ltd., Suwon-si, KR;

Inventors:

Hyojoon Ryu, Hwaseong-si, KR;

Kwanyong Kim, Uijeongbu-si, KR;

Seogoo Kang, Seoul, KR;

Sunil Shim, Seoul, KR;

Wonseok Cho, Suwon-si, KR;

Jeehon Han, Hwaseong-si, KR;

Assignee:

Samsung Electronics Co., Ltd., Suwon-si, KR;

Attorney:

Volentine, Whitt & Francos, PLLC

Primary Examiner:

Didarul A Mazumder

Assistant Examiner:

Gustavo G Ramallo

Int. Cl.
CPC ...
H01L 27/1157 (2017.01); H01L 23/522 (2006.01); H01L 27/11573 (2017.01); H01L 27/11582 (2017.01); H01L 27/11565 (2017.01);
U.S. Cl.
CPC ...
H01L 27/1157 (2013.01); H01L 23/5226 (2013.01); H01L 27/11565 (2013.01); H01L 27/11573 (2013.01); H01L 27/11582 (2013.01);
Abstract

A semiconductor device includes; a memory stack disposed on a substrate and including a lower gate electrode, an upper gate stack including a string selection line, a vertically extending memory gate contact disposed on the lower gate electrode, and a vertically extending selection line stud disposed on the string selection line. The string selection line includes a material different from that of the lower gate electrode, and the selection line stud includes a material different from that of the memory gate contact.

Find Patent Forward Citations

Ryu, Hyojoon. (2023). Semiconductor device having selection line stud connected to string selection line (U.S. Patent No. 11637117). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11637117

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

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