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. 21, 2017
Filed:
Aug. 16, 2012
Sung Yoon Cho, Gyeonggi-do, KR;
Hae Jung Lee, Seoul, KR;
Byung Soo Park, Gyeonggi-do, KR;
Eun MI Kim, Seoul, KR;
Sung Yoon Cho, Gyeonggi-do, KR;
Hae Jung Lee, Seoul, KR;
Byung Soo Park, Gyeonggi-do, KR;
Eun Mi Kim, Seoul, KR;
SK Hynix Inc., Gyeonggi-do, KR;
Abstract
A non-volatile memory device according to an aspect of the present disclosure includes a substrate, a plurality of word lines stacked over the substrate and having a stepwise pattern, wherein the plurality of word lines each have a pad region, and a plurality of contact plugs coupled to the respective pad regions of the word lines, wherein a width of a pad region of a first one of the plurality of word lines is greater than a width of a pad region of a second word line lower than the first word line.