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:
Jan. 20, 2026
Filed:
Aug. 21, 2023
SK Hynix Inc., Icheon-si, KR;
Jae Yeop Jung, Icheon-si, KR;
Dong Hun Kwak, Icheon-si, KR;
SK hynix Inc., Icheon-si, KR;
Abstract
A memory device includes: a plurality of memory cell strings including a plurality of memory cells connected to a plurality of word lines; a peripheral circuit for performing a read operation that reads data stored selected memory cells connected to a selected word line among the plurality of word lines; and a read operation controller for controlling the peripheral circuit to perform the read operation in a first mode or a second mode, based on a result obtained by performing a disturb sensing operation that identifies a degree to which a threshold voltage of dummy memory cells connected to a dummy word line is changed when the selected word line is included in weak word line information.