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:
Jan. 28, 2014
Filed:
Dec. 02, 2011
Applicants:
Charlene Chen, San Jose, CA (US);
Dipankar Pramanik, Saratoga, CA (US);
Inventors:
Charlene Chen, San Jose, CA (US);
Dipankar Pramanik, Saratoga, CA (US);
Assignees:
Sandisk 3D LLC, Milpitas, CA (US);
Kabushiki Kaisha Toshiba, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/31 (2006.01); H01L 29/00 (2006.01); G11C 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A nonvolatile resistive memory element has a novel variable resistance layer that is passivated with non-metallic dopant atoms, such as nitrogen, either during or after deposition of the switching layer. The presence of the non-metallic dopant atoms in the variable resistance layer enables the switching layer to operate with reduced switching current while maintaining improved data retention properties.