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:
Oct. 21, 2014
Filed:
Jan. 30, 2013
Applicant:
Imation Corp., Oakdale, MN (US);
Inventors:
Douglas W. Johnson, Stillwater, MN (US);
Larold Olson, Lindstrom, MN (US);
Yung Yip, Afton, MN (US);
Stephen J. Rothermel, Roseville, MN (US);
Assignee:
Imation Corp., Oakdale, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/09 (2006.01); G11B 5/596 (2006.01); G11B 5/008 (2006.01); G11B 5/187 (2006.01); G11B 5/584 (2006.01);
U.S. Cl.
CPC ...
G11B 5/59638 (2013.01); G11B 5/00813 (2013.01); G11B 5/187 (2013.01); G11B 5/584 (2013.01);
Abstract
The present disclosure relates to a perpendicular pole head for creating a perpendicular magnetic moment in a concentrated pattern for writing the pattern on perpendicular magnetic media, such as BaFe based media. The pole head can have flux concentrators in the shape of the written pattern, which can be repeatedly applied to a moving magnetic medium to create a timing pattern on the media, e.g., a servo timing pattern.