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:
Apr. 03, 2012
Filed:
Jun. 07, 2005
Applicants:
Qixu Chen, Milpitas, CA (US);
Charles Frederick Brucker, Pleasanton, CA (US);
Chung-hee Chang, Fremont, CA (US);
Thomas Patrick Nolan, Fremont, CA (US);
Samuel Dacke Harkness, Iv, Berkeley, CA (US);
Inventors:
Qixu Chen, Milpitas, CA (US);
Charles Frederick Brucker, Pleasanton, CA (US);
Chung-Hee Chang, Fremont, CA (US);
Thomas Patrick Nolan, Fremont, CA (US);
Samuel Dacke Harkness, IV, Berkeley, CA (US);
Assignee:
Seagate Technology LLC, Cupertino, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 5/66 (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.