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Patent Searching and Data


Title:
MAGNETIC RECORDING MEDIUM
Document Type and Number:
WIPO Patent Application WO/2019/093447
Kind Code:
A1
Abstract:
Disclosed is a magnetic recording medium wherein average thickness tT satisfies formula of tT≤5.5 [μm], and size change quantity ∆w in the width direction of the magnetic recording medium with respect to a tension change in the longitudinal direction of the magnetic recording medium satisfies formula of 700 [ppm/N]≤ ∆w.

Inventors:
SEKIGUCHI, Noboru (Konan Minato-k, Tokyo 75, 〒1080075, JP)
YAMAGA, Minoru (Konan Minato-k, Tokyo 75, 〒1080075, JP)
Application Number:
JP2018/041565
Publication Date:
May 16, 2019
Filing Date:
November 08, 2018
Export Citation:
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Assignee:
SONY CORPORATION (1-7-1, Konan Minato-k, Tokyo 75, 〒1080075, JP)
International Classes:
G11B5/73; G11B5/64; G11B5/65; G11B5/68; G11B5/706; G11B5/735
Domestic Patent References:
WO2017085931A12017-05-26
Foreign References:
JP2006107597A2006-04-20
JP2005285268A2005-10-13
JP2005332510A2005-12-02
JP2017191633A2017-10-19
JP2005276258A2005-10-06
JP2005332510A2005-12-02
Attorney, Agent or Firm:
SUGIURA, Masatomo et al. (402 Kadora Building, 1-1-11 Minami Ikebukuro, Toshima-k, Tokyo 22, 〒1710022, JP)
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