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:
Sep. 15, 2009
Filed:
Sep. 02, 2005
Applicants:
E. Noel Abarra, Santa Clara, CA (US);
Min Zheng, Milpitas, CA (US);
Paramjit Gill, Milpitas, CA (US);
Inventors:
E. Noel Abarra, Santa Clara, CA (US);
Min Zheng, Milpitas, CA (US);
Paramjit Gill, Milpitas, CA (US);
Assignee:
Maxtor Corporation, Longmont, CO (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 5/66 (2006.01);
U.S. Cl.
CPC ...
Abstract
A magnetic recording medium and a magnetic recording apparatus for perpendicular magnetic recording. The recording medium includes a magnetically soft underlayer and a hard magnetic pinning layer having perpendicular anisotropy. The magnetically soft underlayer is substantially free of domain walls.