Invention Grant
- Patent Title: Magnetic tape having servo pattern and characterized magnetic layer, and magnetic tape device
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Application No.: US16361570Application Date: 2019-03-22
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Publication No.: US10672426B2Publication Date: 2020-06-02
- Inventor: Norihito Kasada
- Applicant: FUJIFILM Corporation
- Applicant Address: JP Tokyo
- Assignee: FUJIFILM Corporation
- Current Assignee: FUJIFILM Corporation
- Current Assignee Address: JP Tokyo
- Agency: Sughrue Mion, PLLC
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@7a322d66 com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@140d6bb2
- Main IPC: G11B5/78
- IPC: G11B5/78 ; G11B5/706 ; G11B5/702 ; G11B5/735 ; G11B5/70

Abstract:
The magnetic tape includes a non-magnetic support; and a magnetic layer including a ferromagnetic powder and a binding agent on the non-magnetic support, in which a magnetic tape total thickness is equal to or smaller than 5.30 μm, the magnetic layer has a servo pattern, a center line average surface roughness Ra measured regarding a surface of the magnetic layer is equal to or smaller than 1.8 nm, and an isoelectric point of a surface zeta potential of the magnetic layer is equal to or greater than 5.5.
Public/Granted literature
- US20190295586A1 MAGNETIC TAPE AND MAGNETIC TAPE DEVICE Public/Granted day:2019-09-26
Information query
IPC分类: