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. 30, 2011
Filed:
May. 18, 2006
Applicants:
Ludovic Goux, Hannut, BE;
Dirk Wouters, Heverlee, BE;
Judit Lisoni, Oud-Heverlee, BE;
Thomas Gille, Leuven, BE;
Inventors:
Ludovic Goux, Hannut, BE;
Dirk Wouters, Heverlee, BE;
Judit Lisoni, Oud-Heverlee, BE;
Thomas Gille, Leuven, BE;
Assignee:
NXP B.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 47/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A phase-change-memory cell is provided which comprises two insulated regions formed in a first phase-change material connected by a region formed in a second phase-change material. The crystallization temperature of the second phase-change material is below the crystallization temperature of the first phase-change material. By locally changing the material properties using a second PCM material, which switches phase at a lower temperature, a localized 'hot spot' is obtained.