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:
Jun. 05, 2020
Samsung Electronics Co., Ltd., Suwon-si, KR;
Younghwan Son, Hwaseong-si, KR;
Boyoung Lee, Hwaseong-si, KR;
Seoungwon Lee, Hwaseong-si, KR;
Seunghwan Lee, Seoul, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
A vertical non-volatile memory device includes a stack body including gate patterns and interlayer insulating patterns stacked in a stacking direction, the stack body having a through hole, which extends in the stacking direction, in the gate patterns and in the interlayer insulating patterns; a semiconductor pillar in the through hole and extending in the stacking direction; data storage structures between the gate patterns and the semiconductor pillar in the through hole, the data storage structures including charge storage layers; and dummy charge storage layers on a sidewall of the interlayer insulating patterns toward the semiconductor pillar in the through hole.