Invention Grant
- Patent Title: Magnetic recording medium, and magnetic recording and reproducing apparatus
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Application No.: US15044529Application Date: 2016-02-16
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Publication No.: US10199064B2Publication Date: 2019-02-05
- Inventor: Yoshihiko Maruyama , Selvaraj Aanandha , Yuan Ai Khoo , Satoru Nakamura , Hiromitsu Tanuma , Eishin Yamakawa
- Applicant: SHOWA DENKO K.K.
- Applicant Address: JP Tokyo
- Assignee: SHOWA DENKO K.K.
- Current Assignee: SHOWA DENKO K.K.
- Current Assignee Address: JP Tokyo
- Agency: Sughrue Mion, PLLC
- Priority: JP2015-029178 20150218; JP2015-134652 20150703; JP2015-134658 20150703
- Main IPC: G11B5/72
- IPC: G11B5/72 ; G11B5/725 ; G11B5/82

Abstract:
A magnetic recording medium which is capable of effectively preventing a surface thereof from being contaminated, and is capable of preventing a contaminant thereon from adhering (being transferred) to a magnetic head, and a magnetic recording and reproducing apparatus including the magnetic recording medium are provided,A carbon protective layer of the magnetic recording medium is nitrided, and as a lubricant a compound A expressed by the following General Formula (1) and a compound B expressed by the following General Formula (2) are mixed and used. R1—C6H4OCH2CH(OH)CH2OCH2—R2—CH2OCH2CH(OH)CH2OH (1) CH2(OH)CH(OH)CH2OCH2CF2CF2(OCF2CF2CF2)mOCF2CF2CH2OCH2CH(OH)CH2OH (2)
Public/Granted literature
- US20160240219A1 MAGNETIC RECORDING MEDIUM, AND MAGNETIC RECORDING AND REPRODUCING APPARATUS Public/Granted day:2016-08-18
Information query
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