Title:
MAGNETIC RECORDING MEDIUM, MAGNETIC TAPE CARTRIDGE, AND MAGNETIC RECORDING REPRODUCTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/264956
Kind Code:
A1
Abstract:
The present invention provides a magnetic recording medium that has a non-magnetic support and a first magnetic layer that includes a ferromagnetic powder and a binding agent, the magnetic recording medium also having a second magnetic layer between the non-magnetic support and the first magnetic layer, the second magnetic layer including a ferromagnetic powder that has a coercivity Hc of no more than 50 Oe and an average particle size of no more than 50 nm and a binding agent. The present invention also provides a magnetic tape cartridge and a magnetic recording reproduction device that include the magnetic recording medium.
Inventors:
KASADA NORIHITO (JP)
TADA TOSHIO (JP)
TADA TOSHIO (JP)
Application Number:
PCT/JP2022/023580
Publication Date:
December 22, 2022
Filing Date:
June 13, 2022
Export Citation:
Assignee:
FUJIFILM CORP (JP)
International Classes:
G11B5/66; G11B5/70; G11B5/702; G11B5/735; G11B5/78; G11B5/84
Foreign References:
| JP2010231878A | 2010-10-14 | |||
| JPS63273237A | 1988-11-10 | |||
| JP2021034069A | 2021-03-01 | |||
| JP2011227975A | 2011-11-10 |
Attorney, Agent or Firm:
SIKS & CO. (JP)
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