Invention Grant
- Patent Title: Magnetic recording medium
- Patent Title (中): 磁记录介质
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Application No.: US12750140Application Date: 2010-03-30
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Publication No.: US09047904B2Publication Date: 2015-06-02
- Inventor: Yohei Aritoshi , Kazufumi Omura
- Applicant: Yohei Aritoshi , Kazufumi Omura
- Applicant Address: JP Tokyo
- Assignee: FUJIFILM Corporation
- Current Assignee: FUJIFILM Corporation
- Current Assignee Address: JP Tokyo
- Agency: Sughrue Mion, PLLC
- Priority: JP2009-087738 20090331
- Main IPC: G11B5/71
- IPC: G11B5/71 ; G11B5/702 ; G11B5/70 ; G11B5/738
Abstract:
An aspect of the present invention relates to a magnetic recording medium comprising a nonmagnetic layer comprising a nonmagnetic powder and a binder and a magnetic layer comprising a ferromagnetic powder and a binder in this order on a nonmagnetic support, wherein the magnetic layer and/or nonmagnetic layer comprises organic acid A and organic acid B below, with an acid strength pKa(A) of organic acid A and an acid strength pKa(B) of organic acid B satisfying a relation of pKa(A)
Public/Granted literature
- US20100247972A1 MAGNETIC RECORDING MEDIUM Public/Granted day:2010-09-30
Information query
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