Invention Grant
- Patent Title: Magnetic tape having controlled surface properties of the magnetic layer and method of manufacturing the same
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Application No.: US15241297Application Date: 2016-08-19
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Publication No.: US10026434B2Publication Date: 2018-07-17
- Inventor: Masahito Oyanagi , Norihito Kasada , Toshio Tada , Takuro Sugiyama
- Applicant: FUJIFILM Corporation
- Applicant Address: JP Tokyo
- Assignee: FUJIFILM Corporation
- Current Assignee: FUJIFILM Corporation
- Current Assignee Address: JP Tokyo
- Agency: Sughrue Mion, PLLC
- Priority: JP2015-164161 20150821
- Main IPC: G11B5/78
- IPC: G11B5/78 ; G11B5/70 ; G11B5/708 ; G11B5/842
Abstract:
The magnetic tape has a magnetic layer containing ferromagnetic powder and binder on a nonmagnetic support, wherein the centerline average surface roughness Ra as measured on the surface on the magnetic layer side of the magnetic tape is less than or equal to 1.8 nm, and the logarithmic decrement as determined by a pendulum viscoelasticity test on the surface on the magnetic layer side of the magnetic tape is less than or equal to 0.050.
Public/Granted literature
- US20170053670A1 MAGNETIC TAPE AND METHOD OF MANUFACTURING THE SAME Public/Granted day:2017-02-23
Information query
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