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:
May. 03, 2005
Filed:
Jan. 22, 2003
Zhitao Diao, Fremont, CA (US);
Min Zhou, Fremont, CA (US);
Lifan Chen, Fremont, CA (US);
Wei Xiong, Fremont, CA (US);
Zhitao Diao, Fremont, CA (US);
Min Zhou, Fremont, CA (US);
Lifan Chen, Fremont, CA (US);
Wei Xiong, Fremont, CA (US);
Western Digital (Fremont), Inc., Fremont, CA (US);
Abstract
A method and system for providing a magnetoresistive sensor and a read head that includes the magnetoresistive sensor is disclosed. The method and system include providing a pinned layer, a nonmagnetic spacer layer and a composite sensor layer. The pinned layer has a first magnetization that is pinned in a particular direction. The nonmagnetic spacer layer resides between the composite sensor layer and the pinned layer. The composite sensor layer includes a CoFe layer and a composite layer adjacent to the CoFe layer. The composite layer includes CoFe and at least one of Ta, Hf, Ti, Nb, Zr, Au, Ag, Cu, B, C, O, Hand N.