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. 22, 2011
Filed:
Sep. 12, 2008
Applicants:
David Chang-cheng Yu, Pleasanton, CA (US);
Xiao Luo, Cupertino, CA (US);
Jia-hwang Chang, Saratoga, CA (US);
Inventors:
David Chang-Cheng Yu, Pleasanton, CA (US);
Xiao Luo, Cupertino, CA (US);
Jia-Hwang Chang, Saratoga, CA (US);
Assignee:
Grandis Inc., Milpitas, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 11/00 (2006.01); G11C 17/00 (2006.01); G11C 17/02 (2006.01); G11C 11/14 (2006.01); G11C 17/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
Techniques, apparatus and circuits based on magnetic or magnetoresistive tunnel junctions (MTJs). In one aspect, a programmable circuit device can include a magnetic tunnel junction (MTJ); a MTJ control circuit coupled to the MTJ to control the MTJ to cause a breakdown in the MTJ in programming the MTJ; and a sensing circuit coupled to the MTJ to sense a voltage under a breakdown condition of the MTJ.