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:
Oct. 25, 2011
Filed:
Feb. 25, 2008
Kazumasa Nishimura, Niigata-ken, JP;
Yosuke Ide, Niigata-ken, JP;
Naoya Hasegawa, Niigata-ken, JP;
Masamichi Saito, Niigata-ken, JP;
Yoshihiro Nishiyama, Niigata-ken, JP;
Ryo Nakabayashi, Niigata-ken, JP;
Hidekazu Kobayashi, Niigata-ken, JP;
Kazumasa Nishimura, Niigata-ken, JP;
Yosuke Ide, Niigata-ken, JP;
Naoya Hasegawa, Niigata-ken, JP;
Masamichi Saito, Niigata-ken, JP;
Yoshihiro Nishiyama, Niigata-ken, JP;
Ryo Nakabayashi, Niigata-ken, JP;
Hidekazu Kobayashi, Niigata-ken, JP;
TDK Corporation, Tokyo, JP;
Abstract
A free magnetic layer has a laminated structure in which a first magnetic sublayer composed of Co—Fe or Fe and a second magnetic sublayer composed of Co—Fe—B or Fe—B are formed, in that order, on an insulating barrier layer composed of Mg—O. This effectively improves the rate of change in resistance (ΔR/R) compared with the related art.