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:
Jul. 01, 2008
Filed:
Aug. 05, 2004
Applicants:
Charles Changqing Chen, Milpitas, CA (US);
Shoutao Wang, Fremont, CA (US);
Alan Huang, San Jose, CA (US);
Inventors:
Charles Changqing Chen, Milpitas, CA (US);
Shoutao Wang, Fremont, CA (US);
Alan Huang, San Jose, CA (US);
Assignee:
Seagate Technology LLC, Scotts Valley, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/66 (2006.01); G11B 5/70 (2006.01);
U.S. Cl.
CPC ...
Abstract
A magnetic recording medium having a substrate, underlayer, a low moment stabilizing layer, an antiferromagnetic coupling layer, a low magnetic layer having a magnetic saturation of equal to or less than 250 emu/cm, and a high moment magnetic layer having a magnetic saturation of more than 250 emu/cm, in this order, is disclosed. The magnetic recording medium has a weak coupling strength of Jex ≦0.05.