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Patent Searching and Data


Title:
SERVO WRITER AND METHOD FOR WRITING SERVO SIGNAL
Document Type and Number:
WIPO Patent Application WO/2019/093467
Kind Code:
A1
Abstract:
A servo writer comprises a write head that writes a servo signal to a traveling elongated magnetic tape, and two or more first guide rollers that guide the travel of the magnetic tape, the two or more first guide rollers each having a circumferential surface that is provided with a spiral-shaped groove and contacts the traveling magnetic tape, pulling forces from the two or more first guide rollers acting on the magnetic tape in the width direction of the traveling magnetic tape, and the pulling forces acting on the magnetic tape from the two or more first guide rollers canceling each other out.

Inventors:
ENDO, Tetsuo (Konan Minato-k, Tokyo 75, 〒1080075, JP)
Application Number:
JP2018/041638
Publication Date:
May 16, 2019
Filing Date:
November 09, 2018
Export Citation:
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Assignee:
SONY CORPORATION (1-7-1, Konan Minato-k, Tokyo 75, 〒1080075, JP)
International Classes:
G11B21/10; G11B5/584; G11B15/60
Foreign References:
JP2012038419A2012-02-23
JP2003085850A2003-03-20
US6994293B12006-02-07
JP2009043392A2009-02-26
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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