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. 07, 2006
Filed:
Nov. 21, 2003
Applicants:
Joichiro Ezaki, Tokyo, JP;
Yuji Kakinuma, Tokyo, JP;
Keiji Koga, Tokyo, JP;
Inventors:
Assignee:
TDK Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11C 11/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A magnetic memory device includes a magneto-resistance effect element including a magnetic sensitive layer whose magnetization direction changes according to an external magnetic field; a write line to which a write current is supplied to apply an external magnetic field to the magnetic sensitive layer; and a write current drive circuit including a current direction control section for controlling the direction of the write current in the write line and a current amount control section for controlling the amount of the write current in the write line to a constant value.