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. 27, 2015
Filed:
Feb. 09, 2012
Applicants:
Takeshi Kajiyama, Yokohama, JP;
Yoshiaki Asao, Sagamihara, JP;
Inventors:
Takeshi Kajiyama, Yokohama, JP;
Yoshiaki Asao, Sagamihara, JP;
Assignee:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/22 (2006.01); G11C 11/16 (2006.01);
U.S. Cl.
CPC ...
G11C 11/16 (2013.01);
Abstract
A magnetic random access memory which is a memory cell array including a magnetoresistive effect element having a fixed layer whose magnetization direction is fixed, a recording layer whose magnetization direction is reversible, and a non-magnetic layer provided between the fixed layer and the recording layer, wherein all conductive layers in the memory cell array arranged below the magnetoresistive effect element are formed of materials each containing an element selected from a group including W, Mo, Ta, Ti, Zr, Nb, Cr, Hf, V, Co, and Ni.