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. 20, 2014
Filed:
Jun. 30, 2011
Applicants:
David Erich Tetzlaff, Minnetonka, MN (US);
Puskal P. Pokharel, Edina, MN (US);
Rene Johannes Marinus Van DE Veerdonk, Pleasanton, CA (US);
Inventors:
David Erich Tetzlaff, Minnetonka, MN (US);
Puskal P. Pokharel, Edina, MN (US);
Rene Johannes Marinus van de Veerdonk, Pleasanton, CA (US);
Assignee:
Seagate Technology LLC, Cupertino, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/09 (2006.01); G11B 5/596 (2006.01);
U.S. Cl.
CPC ...
Abstract
A given reference pattern is written on bit patterned media that has an initial reference pattern already disposed thereon. A write phase and frequency is detected based on the initial reference pattern and the given reference pattern is written on the bit patterned media at the detected write phase and frequency.