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:
Feb. 03, 2015
Filed:
Jul. 01, 2013
Wd Media, Llc, San Jose, CA (US);
Bincheng Wang, Sunnyvale, CA (US);
Alexander S. Chernyshov, San Jose, CA (US);
Hua Yuan, Fremont, CA (US);
Tomoko Seki, Sunnyvale, CA (US);
Antony Ajan, Santa Clara, CA (US);
B. Ramamurthy Acharya, Fremont, CA (US);
WD Media, LLC, San Jose, CA (US);
Abstract
Aspects of the present invention are directed to heat assisted magnetic recording (HAMR) media with a CoCrPtB based capping layer design that is capable of reducing switching field distribution and boosting signal-to-noise ratio of HAMR media. In one embodiment of the invention, a recording medium for heat assisted magnetic recording (HAMR) includes a substrate, a magnetic recording layer on the substrate, and a capping layer on and directly in contact with the magnetic recording layer. The capping layer includes CoCrPtB.