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. 12, 2010
Filed:
Jun. 27, 2007
Gyu-hwan OH, Hwaseong-si, KR;
In-sun Park, Seoul, KR;
Hyun-seok Lim, Suwon-si, KR;
Ki-jong Lee, Suwon-si, KR;
Nak-hyun Lim, Yongin-si, KR;
Gyu-Hwan Oh, Hwaseong-si, KR;
In-Sun Park, Seoul, KR;
Hyun-Seok Lim, Suwon-si, KR;
Ki-Jong Lee, Suwon-si, KR;
Nak-Hyun Lim, Yongin-si, KR;
Samsung Electronics Co. Ltd., Suwon-Si, Gyeonggi-Do, KR;
Abstract
A phase change memory device includes a current restrictive element interposed between an electrically conductive element and a phase change material. The current restrictive element includes a plurality of overlapping film patterns, each of which having a respective first portion proximal to the conductive element and a second portion proximal to the phase change material. The second portions are configured and dimensioned to have higher resistance than the first portions.