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:
Mar. 06, 2018
Filed:
Jul. 03, 2017
Seagate Technology Llc, Cupertino, CA (US);
Joachim Ahner, Livermore, CA (US);
David M. Tung, Livermore, CA (US);
Ganping Ju, Pleasanton, CA (US);
Philip L. Steiner, Los Altos, CA (US);
Thomas P. Nolan, Fremont, CA (US);
Thomas Y. Chang, Menlo Park, CA (US);
Pin-Wei Huang, Fremont, CA (US);
Kaizhong Gao, North Oaks, MN (US);
Timothy Klemmer, Union City, CA (US);
David S. Kuo, Palo Alto, CA (US);
Seagate Technology LLC, Cupertino, CA (US);
Abstract
A three dimensional magnetic recording media can consist of a coupling layer disposed between first and second vertically stacked recording layers. The coupling layer can provide exchange or antiferromagnetic coupling and allow the respective recording layers to be individually heat selected to different first and second coupling strengths through application of heat from a heat source.