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:
Mar. 15, 2011
Filed:
Jun. 30, 2010
Applicant:
Yoshihiro Sato, Kawasaki, JP;
Inventor:
Yoshihiro Sato, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/00 (2006.01); H01L 21/8234 (2006.01); H01L 21/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
In an MRAM, a curved region () is formed in a bit line (), and this curved region () is in bent shape, with a TMR element () serving as a center, in this case, in rough U shape (in the illustrated example, in roughly inverted U shape). The bit line () in which the curved region () is formed includes the TMR element () in a space formed by the curved region (). Thanks to such relatively simple construction, this construction realizes a highly reliable MRAM which ensures that power is substantially saved during data writing into a memory cell while meeting requirements for further miniaturization of the device.