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. 03, 2015
Filed:
Dec. 04, 2013
Wd Media, Llc, San Jose, CA (US);
Tomoko Seki, Sunnyvale, CA (US);
Antony Ajan, Santa Clara, CA (US);
Hua Yuan, Fremont, CA (US);
Alexander S. Chernyshov, San Jose, CA (US);
Bincheng Wang, Sunnyvale, CA (US);
B. Ramamurthy Acharya, Fremont, CA (US);
WD Media, LLC, San Jose, CA (US);
Abstract
A method and system provide a magnetic recording media usable in a heat assisted magnetic recording (HAMR) disk drive. The magnetic recording media includes a magnetic recording layer, a crystalline underlayer, and a crystalline heat sink layer. The crystalline underlayer is between the crystalline heat sink layer and the magnetic recording layer. The magnetic recording layer stores magnetic data. The crystalline underlayer has a first crystal structure. The crystalline heat sink layer has a second crystal structure.