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Patent Searching and Data


Title:
MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING/REPRODUCING DEVICE
Document Type and Number:
WIPO Patent Application WO/2016/098811
Kind Code:
A1
Abstract:
Provided is a magnetic recording medium in which a lubricant layer contains a compound A represented by formula (1) and a compound B represented by formula (2), satisfies (A/B) = 0.2 to 3.0, and has an average thickness of 0.8 nm to 2 nm. R1-C6H4OCH2CH(OH)CH2OCH2-R2-CH2OCH2CH(OH)CH2OH ··· (1) (R1 is an alkoxy group having 1 to 4 carbon atoms. R2 is -CF2O(CF2CF2O)x(CF2O)yCF2- (x, y = 0 to 15), -CF2CF2O(CF2CF2CF2O)zCF2CF2- (z = 1 to 15), -CF2CF2CF2O(CF2CF2CF2CF2O)nCF2CF2CF2- (n = 0 to 4). HOCH2CF2CF2O(CF2CF2CF2O)mCF2CF2CH2OCH2CH(OH)CH2OH ··· (2) (m is an integer).

Inventors:
NAKAMURA Satoru (8 Technology 5th Rd., Science-Based Ind. Par, Hsinchu ., 30078, TW)
HUNG Taining (8 Technology 5th Rd., Science-Based Ind. Par, Hsinchu ., 30078, TW)
KUO Evance (8 Technology 5th Rd., Science-Based Ind. Par, Hsinchu ., 30078, TW)
ENDO Daizo (5-1 Yawata Kaigan dori, Ichihara-sh, Chiba 67, 〒2900067, JP)
Application Number:
JP2015/085225
Publication Date:
June 23, 2016
Filing Date:
December 16, 2015
Export Citation:
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Assignee:
SHOWA DENKO K.K. (13-9, Shibadaimon 1-chome Minato-k, Tokyo 18, 〒1058518, JP)
International Classes:
G11B5/725; C10M105/54; C10M107/38; G11B5/84
Foreign References:
JP2014116060A2014-06-26
JP2013163667A2013-08-22
JP2009289411A2009-12-10
Attorney, Agent or Firm:
SHIGA Masatake et al. (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
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