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:
Oct. 14, 2025
Filed:
Jun. 06, 2022
SK Hynix Inc., Icheon-si, KR;
In Ku Kang, Icheon-si, KR;
SK hynix Inc., Icheon-si, KR;
Abstract
A resistive memory device includes: a stack structure in which a plurality of interlayer insulating layers and a plurality of conductive layers are alternately stacked; a hole penetrating the stack structure through the plurality of interlayer insulating layers and the plurality of conductive layers; a plurality of insulating patterns formed on a sidewall of each of the plurality of interlayer insulating layers within the hole; a channel layer formed along a sidewall of each of the plurality of conductive layers within the hole and a sidewall of each of the plurality of the insulating patterns within the hole, the channel layer including convex regions that are adjacent to the insulating patterns and are convexly formed in relation to a central portion of the hole and including concave regions that are adjacent to the plurality of conductive layers and are concavely formed in relation to the central portion of the hole.