- 专利标题： Magnetic recording medium having characterized magnetic layer and magnetic recording and reproducing device
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申请号： US17021529申请日： 2020-09-15
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公开(公告)号： US11417359B2公开(公告)日： 2022-08-16
- 发明人: Eiki Ozawa , Norihito Kasada
- 申请人： FUJIFILM Corporation
- 申请人地址： JP Tokyo
- 专利权人： FUJIFILM Corporation
- 当前专利权人： FUJIFILM Corporation
- 当前专利权人地址： JP Tokyo
- 代理机构： Sughrue Mion, PLLC
- 优先权： JPJP2019-168025 20190917
- 主分类号： G11B5/706
- IPC分类号： G11B5/706 ; G11B5/008 ; G11B5/733 ; G11B5/735 ; G11B5/702
摘要：
The magnetic recording medium includes a non-magnetic support; and a magnetic layer including a ferromagnetic powder, in which an isoelectric point of a surface zeta potential of the magnetic layer after pressing the magnetic layer at a pressure of 70 atm is equal to or greater than 5.5.
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