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. 28, 2012
Filed:
Nov. 10, 2009
Kazumasa Nishimura, Niigata-ken, JP;
Masamichi Saito, Niigata-ken, JP;
Yosuke Ide, Niigata-ken, JP;
Ryo Nakabayashi, Niigata-ken, JP;
Yoshihiro Nishiyama, Niigata-ken, JP;
Hidekazu Kobayashi, Niigata-ken, JP;
Naoya Hasegawa, Niigata-ken, JP;
Kazumasa Nishimura, Niigata-ken, JP;
Masamichi Saito, Niigata-ken, JP;
Yosuke Ide, Niigata-ken, JP;
Ryo Nakabayashi, Niigata-ken, JP;
Yoshihiro Nishiyama, Niigata-ken, JP;
Hidekazu Kobayashi, Niigata-ken, JP;
Naoya Hasegawa, Niigata-ken, JP;
ALPS Electric Co., Ltd., Tokyo, JP;
Abstract
A tunneling magnetic sensing element includes a laminate in which an underlayer, a seed layer, an antiferromagnetic layer, a pinned magnetic layer, an insulating barrier layer, and a free magnetic layer are laminated in order from below. The insulating barrier layer is made of Mg—O. The underlayer is made of Ti, and the seed layer is made of one selected from a group consisting of Ni—Fe—Cr and Ru.