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. 25, 2006
Filed:
Jun. 18, 2003
Eric W. Singleton, Maple Plain, MN (US);
David J. Larson, Northfield, MN (US);
Christopher L. Platt, Pittsburgh, PA (US);
Kurt W. Wierman, Pittsburgh, PA (US);
James K. Howard, Pittsburgh, PA (US);
Eric W. Singleton, Maple Plain, MN (US);
David J. Larson, Northfield, MN (US);
Christopher L. Platt, Pittsburgh, PA (US);
Kurt W. Wierman, Pittsburgh, PA (US);
James K. Howard, Pittsburgh, PA (US);
Seagate Technology LLC, Scotts Valley, CA (US);
Abstract
A transducing head includes a first bias element, a second bias element, and a magnetoresistive sensor positioned between the first bias element and the second bias element. The first bias element and the second bias element are each formed of a permanent magnet material having a remanent magnetic moment in a range of about 200 to about 800 emu/cm. In a preferred embodiment, the permanent magnet material is an alloy comprising iron, platinum, and at least one material selected from copper, silver, magnesium, lead, zinc, bismuth, and antimony.