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:
Nov. 20, 2012
Filed:
Aug. 15, 2011
Raj Nagappan Thangaraj, Fremont, CA (US);
Mariana Rodica Munteanu, Santa Clara, CA (US);
Erol Girt, Fremont, CA (US);
Michael J. Stirniman, Fremont, CA (US);
Thomas Patrick Nolan, Fremont, CA (US);
Raj Nagappan Thangaraj, Fremont, CA (US);
Mariana Rodica Munteanu, Santa Clara, CA (US);
Erol Girt, Fremont, CA (US);
Michael J. Stirniman, Fremont, CA (US);
Thomas Patrick Nolan, Fremont, CA (US);
Seagate Technology LLC, Cupertino, CA (US);
Abstract
A perpendicular magnetic recording medium having a substrate, a Cr-doped Fe-alloy-containing underlayer containing about 8 to 18 at % Cr and a perpendicular recording magnetic layer, and a process for improving corrosion resistance of the recording medium and for manufacturing the recording medium are disclosed.