Invention Grant
- Patent Title: Magnetic recording medium having multiple under layers for heat-assisted magnetic recording apparatus
- Patent Title (中): 具有多层用于热辅助磁记录装置的磁记录介质
-
Application No.: US13972041Application Date: 2013-08-21
-
Publication No.: US08792313B2Publication Date: 2014-07-29
- Inventor: Kazuya Niwa , Tetsuya Kanbe , Yuji Murakami , Lei Zhang
- Applicant: Showa Denko K.K.
- Applicant Address: JP Tokyo
- Assignee: Showa Denko K.K.
- Current Assignee: Showa Denko K.K.
- Current Assignee Address: JP Tokyo
- Agency: Sughrue Mion, PLLC
- Priority: JP2012-189237 20120829
- Main IPC: G11B11/00
- IPC: G11B11/00
Abstract:
A magnetic recording medium of the present invention includes an under layer formed on a substrate, and a magnetic layer, formed on the under layer, which contains an alloy having an L10-type crystal structure as a main component. The under layer includes, in order from the substrate side, a first under layer with a lattice constant a of 2.87 Å≦a
Public/Granted literature
- US20140064047A1 MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING AND REPRODUCING APPARATUS Public/Granted day:2014-03-06
Information query
IPC分类:
