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. 23, 2016
Filed:
Mar. 30, 2012
Antony Ajan, Santa Clara, CA (US);
Alexander Chernyshov, San Jose, CA (US);
Hua Yuan, Fremont, CA (US);
B. Ramamurthy Acharya, Fremont, CA (US);
Antony Ajan, Santa Clara, CA (US);
Alexander Chernyshov, San Jose, CA (US);
Hua Yuan, Fremont, CA (US);
B. Ramamurthy Acharya, Fremont, CA (US);
WD Media, LLC, San Jose, CA (US);
Abstract
Systems and methods for forming magnetic recording media with improved columnar growth for energy assisted magnetic recording are provided. In one such method, a first sub-layer of a magnetic layer is formed on a substrate, the magnetic layer including a magnetic material and a plurality of non-magnetic segregants, a top surface of the first sub-layer is etched to substantially remove the non-magnetic segregants accumulated on the top surface, and a second sub-layer of the magnetic layer is formed on the first sub-layer.