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. 28, 2012
Filed:
Aug. 26, 2008
Applicants:
Thomas D. Happ, Dresden, DE;
Alejandro G. Schrott, New York, NY (US);
Inventors:
Thomas D. Happ, Dresden, DE;
Alejandro G. Schrott, New York, NY (US);
Assignees:
International Business Machines Corporation, Armonk, NY (US);
Qimonda North America Corp., Cary, NC (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 29/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A memory device including a first electrode; a second electrode; and a memory cell positioned between the first electrode and the second electrode, the memory cell including a core of a first phase change material and a cladding of a second phase change material, wherein the first phase change material has a lower crystallization temperature than the second phase change material.