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:
Jun. 22, 2021
Filed:
Sep. 25, 2019
Samsung Electronics Co., Ltd., Suwon-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Abstract
An operating method of a memory device including a plurality of strings on a substrate, wherein the plurality of strings include a main string connected to a bit line and a dummy string spaced apart from the bit line, the operating method including: pre-programming the dummy string; and erasing the main string and the dummy string, wherein the pre-programming includes: applying a pre-program voltage to a word line connected to the dummy string; applying a pass voltage to a ground selection line connected to a ground selection transistor of the dummy string; and applying a common source line voltage to a common source line connected to the dummy string.