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:
Aug. 21, 2018
Filed:
Sep. 10, 2017
Samsung Electronics Co., Ltd., Suwon-si, KR;
Ilmok Park, Seoul, KR;
Sungwon Kim, Hwaseong-si, KR;
Seulji Song, Yongin-si, KR;
Ji-Hyun Jeong, Hwaseong-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Yeongtong-gu, Suwon-si, Gyeonggi-do, KR;
Abstract
A variable resistance memory device may include a word line extending in a first direction, a bit line extending in a second direction crossing the first direction, a phase-changeable pattern provided between the word line and the bit line, a bottom electrode provided between the phase-changeable pattern and the word line, and a spacer provided on a side surface of the bottom electrode and between the phase-changeable pattern and the word line. The bottom electrode may include a first portion and a second portion, and the second portion is provided between the first portion and the spacer. The first and second portions of the bottom electrodes may have different lengths from each other in the second direction.