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. 12, 2006
Filed:
Dec. 19, 2003
Zhong (Stella) Wu, Fremont, CA (US);
Raj Nagappan Thangaraj, Fremont, CA (US);
Samuel Dacke Harkness, Berkeley, CA (US);
Zhong (Stella) Wu, Fremont, CA (US);
Raj Nagappan Thangaraj, Fremont, CA (US);
Samuel Dacke Harkness, Berkeley, CA (US);
Seagate Technology LLC, Scotts Valley, CA (US);
Abstract
A perpendicular recording medium having a magnetic layer comprising cobalt, platinum, and at least one of molybdenum and chromium. In a preferred embodiment, the perpendicular recording medium comprises granular magnetic regions having oxygen-containing grain boundaries. The magnetic layer of the present invention preferably exhibits improved corrosion resistance while maintaining the magnetic properties suitable for high density perpendicular recording.