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:
Jan. 04, 2022

Filed:

Apr. 16, 2020
Applicant:

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

Inventors:

Junhyoung Kim, Seoul, KR;

Seonho Yoon, Hwaseong-si, KR;

Bonghyun Choi, Yongin-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/11582 (2017.01); H01L 23/522 (2006.01); H01L 27/11556 (2017.01);
U.S. Cl.
CPC ...
H01L 27/11582 (2013.01); H01L 23/5226 (2013.01); H01L 27/11556 (2013.01);
Abstract

A vertical memory device includes a substrate with a cell region, a through via region on opposite sides of the cell region, and a mold region surrounding the cell and through via regions, gate electrodes spaced apart from each other along a first direction vertical to an upper surface of the substrate, and extending in a second direction parallel to the upper surface of the substrate, a channel extending in the first direction on the cell region, and extending through at least a portion of the stacked gate electrodes, and a first mold including first and second layers alternately and repeatedly stacked along the first direction on the mold region, the first and second layers including different insulation materials from each other, and each of the second layers of the first mold being at the same height as and contact a corresponding one of the gate electrodes.


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