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. 17, 2010
Filed:
Jan. 23, 2009
Applicants:
Jae-min Shin, Seoul, KR;
Jong-woo Ko, Hwaseong-si, KR;
Inventors:
Jae-Min Shin, Seoul, KR;
Jong-Woo Ko, Hwaseong-si, KR;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 29/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A phase change memory device and a method of forming the same include a conductive pattern formed on a substrate. A lower electrode contact is disposed on the conductive pattern. The phase change pattern is disposed on the lower electrode contact. An upper electrode is disposed on the phase change pattern. An area of an upper surface of the lower electrode contact is smaller than an area of a lower surface of the lower electrode contact.