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Title:
NEAR-FIELD OPTICAL HEAD, METHOD OF MANUFACTURE FOR NEAR-FIELD OPTICAL HEAD AND INFORMATION RECORDING/REPRODUCING DEVICE
Document Type and Number:
WIPO Patent Application WO/2011/111755
Kind Code:
A1
Abstract:
The disclosed near-field optical head comprises: a recording magnetic field generator for generating a recording magnetic field, which is disposed on the distal side of the direction of extension of a slider disposed facing the surface of a magnetic recording medium which rotates in a given direction; an optical waveguide for propagating a beam of light towards the magnetic recording medium; and a near-field light generation element for generating near-field light from the beam of light. Therein, at least one part of the recording magnetic field generator is formed so as to be coplanar with the near-field light generation element.

Inventors:
OUMI Manabu (8 Nakase 1-chome, Mihama-ku, Chiba-sh, Chiba 07, 〒2618507, JP)
大海 学 (〒07 千葉県千葉市美浜区中瀬1丁目8番地 セイコーインスツル株式会社内 Chiba, 〒2618507, JP)
PARK Majung (8 Nakase 1-chome, Mihama-ku, Chiba-sh, Chiba 07, 〒2618507, JP)
朴 馬中 (〒07 千葉県千葉市美浜区中瀬1丁目8番地 セイコーインスツル株式会社内 Chiba, 〒2618507, JP)
Application Number:
JP2011/055551
Publication Date:
September 15, 2011
Filing Date:
March 09, 2011
Export Citation:
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Assignee:
SEIKO INSTRUMENTS INC. (8 Nakase 1-chome, Mihama-ku Chiba-sh, Chiba 07, 〒2618507, JP)
セイコーインスツル株式会社 (〒07 千葉県千葉市美浜区中瀬1丁目8番地 Chiba, 〒2618507, JP)
OUMI Manabu (8 Nakase 1-chome, Mihama-ku, Chiba-sh, Chiba 07, 〒2618507, JP)
大海 学 (〒07 千葉県千葉市美浜区中瀬1丁目8番地 セイコーインスツル株式会社内 Chiba, 〒2618507, JP)
PARK Majung (8 Nakase 1-chome, Mihama-ku, Chiba-sh, Chiba 07, 〒2618507, JP)
International Classes:
G11B5/31; G11B5/02
Attorney, Agent or Firm:
SHIGA Masatake et al. (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
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Claims: