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:
Oct. 15, 2013
Filed:
Apr. 03, 2012
Applicants:
Qixu Chen, Milpitas, CA (US);
Charles Brucker, Pleasanton, CA (US);
Chung-hee Chang, Fremont, CA (US);
Tom Nolan, Fremont, CA (US);
Samuel Dacke Harkness, Iv, Berkeley, CA (US);
Inventors:
Qixu Chen, Milpitas, CA (US);
Charles Brucker, Pleasanton, CA (US);
Chung-Hee Chang, Fremont, CA (US);
Tom Nolan, Fremont, CA (US);
Samuel Dacke Harkness, IV, Berkeley, CA (US);
Assignee:
Seagate Technology LLC, Cupertino, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/667 (2006.01);
U.S. Cl.
CPC ...
Abstract
A recording medium having a substrate, a first soft magnetic underlayer, a second soft magnetic underlayer and a perpendicular magnetic recording layer without a spacer layer between the first and second soft magnetic underlayers is disclosed.