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:
May. 10, 2011
Filed:
Jul. 03, 2008
Dieter Andres, Munich, DE;
Thomas Happ, Dresden, DE;
Petra Majewski, Munich, DE;
Bernhard Ruf, Sauerlach, DE;
Dieter Andres, Munich, DE;
Thomas Happ, Dresden, DE;
Petra Majewski, Munich, DE;
Bernhard Ruf, Sauerlach, DE;
Qimonda AG, Munich, DE;
Abstract
An integrated circuit includes a heater element serving as a first electrode, a second electrode, a memory element comprising resistance changing material coupled to the heater element and to the second electrode, and a diffusion compensation region coupled to the heater element and to the resistance changing material. The diffusion compensation region includes a surplus of at least one diffusible species present in the memory element and provides at least one diffusible species to the memory element.