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:
Oct. 15, 2013
Filed:
Mar. 30, 2009
Applicant:
Ludovic R. A. Goux, Hannut, BE;
Inventor:
Ludovic R. A. Goux, Hannut, BE;
Assignee:
NXP B.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 47/00 (2006.01); H01L 29/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A vertical phase change memory cell () has an active region () of phase change memory material defined either by providing a contact extending only over part of the phase change memory material or an insulating layer exposing only part of the phase change memory material. There may be more than one active region () per cell allowing more than one bit of data to be stored in each cell.