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:
Feb. 14, 2012
Filed:
Aug. 31, 2010
Yu-hwan RO, Seoul, KR;
Byung-gil Choi, Yongin-si, KR;
Woo-yeong Cho, Suwon-si, KR;
Hyung-rok OH, Yongin-si, KR;
Yu-hwan Ro, Seoul, KR;
Byung-gil Choi, Yongin-si, KR;
Woo-yeong Cho, Suwon-si, KR;
Hyung-rok Oh, Yongin-si, KR;
Samsung Electronics Co., Ltd., Suwon-Si, Gyeonggi-Do, KR;
Abstract
A variable resistance memory device includes a substrate, a plurality of active lines formed on the substrate, are uniformly separated, and extend in a first direction, a plurality of switching devices formed on the active lines and are separated from one another, a plurality of variable resistance devices respectively formed on and connected to the switching devices, a plurality of local bit lines formed on the variable resistance devices, are uniformly separated, extend in a second direction, and are connected to the variable resistance devices, a plurality of local word lines formed on the local bit lines, are uniformly separated, and extend in the first direction, a plurality of global bit lines formed on the local word lines, are uniformly separated, and extend in the second direction, and a plurality of global word lines formed on the global bit lines, are uniformly separated, and extend in the first direction.