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:
Dec. 23, 2014
Filed:
Dec. 19, 2012
SK Hynix Inc., Gyeonggi-do, KR;
Hyun-Min Lee, Gyeonggi-do, KR;
Jung-Taik Cheong, Gyeonggi-do, KR;
SK Hynix Inc., Gyeonggi-do, KR;
Abstract
A variable resistance memory device includes a plurality of first conductive lines extended in a first direction, a plurality of second conductive lines arranged over or under the first conductive lines and extended in a second direction crossing the first direction, an insulating layer disposed between the first conductive lines and the second conductive lines and having a trench extended in the second direction and defined by a first side wall and a second sidewall facing each other and a bottom surface connecting the first sidewall and the second sidewall, and a variable resistance material layer formed on the first and second sidewalls and the bottom surface of the trench, wherein the first and second sidewalls of the trench overlap two adjacent second conductive lines, respectively.