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:
Nov. 03, 2026
Filed:
Jul. 26, 2022
SK Hynix Inc., Icheon-si, KR;
Mi Ra Choi, Icheon-si, KR;
SK hynix Inc., Icheon-si, KR;
Abstract
Provided herein may be a semiconductor device and a method of manufacturing the semiconductor device. The semiconductor device includes a peripheral circuit structure formed on a substrate including a cell region and a contact region, a cell stacked body formed over the peripheral circuit structure to overlap the cell region, a dummy stacked body formed over the peripheral circuit structure to overlap the contact region, a pillar structure configured to penetrate the cell stacked body, an etch stop layer located over the peripheral circuit structure and overlapping with a bottom surface of the pillar structure, a cutting structure penetrating the pillar structure in a vertical direction and contacting the etch stop layer, and a contact plug penetrating the dummy stacked body and extending to the peripheral circuit structure.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile