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:
Apr. 25, 2023
Filed:
Sep. 25, 2020
Samsung Electronics Co., Ltd., Suwon-si, KR;
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;
Samsung Electronics Co., Ltd., Suwon-si, KR;
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.