Invention Grant
- Patent Title: Magnetic recording medium having L10 magnetic layer and plurality of underlayers, and magnetic storage apparatus
- Patent Title (中): 具有L10磁性层和多个底层的磁记录介质和磁存储装置
-
Application No.: US14333617Application Date: 2014-07-17
-
Publication No.: US09384772B2Publication Date: 2016-07-05
- Inventor: Lei Zhang , Tetsuya Kanbe , Yuji Murakami , Kazuya Niwa
- 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: IPUSA, PLLC
- Priority: JP2013-159099 20130731
- Main IPC: G11B5/72
- IPC: G11B5/72 ; G11B5/73 ; G11B5/65
Abstract:
A magnetic recording medium includes a substrate, a magnetic layer including an alloy having a L10 type crystal structure as a main component thereof, and a plurality of underlayers arranged between the substrate and the magnetic layer. The plurality of underlayers include a first underlayer including two or more elements selected from a group consisting of Ta, Nb, Ti, and V, and one or more elements selected from a group consisting of W and Mo, and a second underlayer including MgO.
Public/Granted literature
- US20150036242A1 MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS Public/Granted day:2015-02-05
Information query
IPC分类:
