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. 12, 2010
Filed:
Jul. 20, 2006
Jinshan LI, San Jose, CA (US);
Kouichi Nishioka, Hiratsuka, JP;
Satoshi Shigematsu, Kanagawa, JP;
Alexander M. Zeltser, San Jose, CA (US);
Jinshan Li, San Jose, CA (US);
Kouichi Nishioka, Hiratsuka, JP;
Satoshi Shigematsu, Kanagawa, JP;
Alexander M. Zeltser, San Jose, CA (US);
Hitachi Global Storage Technologies Netherlands B.V., Amsterdam, NL;
Abstract
A method for manufacturing a magnetic read sensor and a magnetic read sensor are provided. In one embodiment of the invention, the method includes providing a seed layer disposed over a substrate of the magnetic read sensor, providing a free layer disposed over a seed layer and providing a spacer layer disposed over the free layer. The method further includes providing a pinned layer disposed over the spacer layer. In one embodiment, the pinned layer includes cobalt and iron, wherein the concentration of iron in the pinned layer is between 33 and 37 atomic percent (at. %). The method further includes providing a pinning layer disposed over the pinned layer, wherein the pinning layer is in contact with the pinned layer.