- Patent Title: Assisted magnetic recording medium and magnetic storage apparatus
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Application No.: US16445772Application Date: 2019-06-19
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Publication No.: US10685674B2Publication Date: 2020-06-16
- Inventor: Takayuki Fukushima , Hisato Shibata , Yuji Umemoto , Kazuya Niwa , Lei Zhang , Takehiro Yamaguchi , Chen Xu , Tomoo Shige , Hiroshi Koyanagi
- 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: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@690a0863
- Main IPC: G11B5/56
- IPC: G11B5/56 ; G11B5/65 ; G11B5/00

Abstract:
A magnetic recording medium includes: a substrate; an underlayer; a magnetic layer including an alloy having an L10 type crystal structure; and a protective layer, wherein the substrate, the underlayer, the magnetic layer, and the protective layer are stacked in the recited order. A pinning layer is further included between the magnetic layer and the protective layer, and the pinning layer includes a magnetic material including Co and includes at least one metal selected from the group consisting of Cu, Ag, Au, and Al.
Public/Granted literature
- US20190392863A1 ASSISTED MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS Public/Granted day:2019-12-26
Information query
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