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:
Aug. 29, 2006
Filed:
May. 21, 2003
Gregory John Parker, Warrendale, PA (US);
Thomas Mclendon Crawford, Pittsburgh, PA (US);
Robert Earl Rottmayer, Wexford, PA (US);
Petrus Antonius Van Der Heijden, Cranberry Township, PA (US);
Sharat Batra, Wexford, PA (US);
Gregory John Parker, Warrendale, PA (US);
Thomas McLendon Crawford, Pittsburgh, PA (US);
Robert Earl Rottmayer, Wexford, PA (US);
Petrus Antonius van der Heijden, Cranberry Township, PA (US);
Sharat Batra, Wexford, PA (US);
Seagate Technology LLC, Scotts Valley, CA (US);
Abstract
A perpendicular magnetic recording head comprises a write pole having a pole tip adjacent to an air bearing surface, a return pole, a pedestal for magnetically coupling the write pole to the return pole, a coil for inducing magnetic flux in the write pole, and a shield for coupling magnetic flux from the coil to the return pole. Disc drives that include such recording heads are also provided.