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:
Apr. 24, 2007
Filed:
Sep. 30, 2003
Applicants:
Norihiro Ookawa, Fujisawa, JP;
Shuichi Kojima, Fujisawa, JP;
Koji Okazaki, Fujisawa, JP;
Satoshi Shigematsu, Fujisawa, JP;
Yasunari Tajima, Fujisawa, JP;
Inventors:
Norihiro Ookawa, Fujisawa, JP;
Shuichi Kojima, Fujisawa, JP;
Koji Okazaki, Fujisawa, JP;
Satoshi Shigematsu, Fujisawa, JP;
Yasunari Tajima, Fujisawa, JP;
Assignee:
Hitachi Global Storage Technologies Japan, Ltd., Odawara, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/39 (2006.01);
U.S. Cl.
CPC ...
Abstract
A magnetic domain control underlayer is formed below a magnetoresistive multi-layered film thereby bringing the magnetic domain control film into contact with both lateral end faces of a free layer and appropriate magnetic domain control can be attained in a state of minimizing a surplus bias magnetic field from the magnetic domain control film.