Dynamic magnetic information storage or retrieval – Head – Read only detector using light for reading magnetically...
Patent
1994-08-17
1996-04-16
Young, W. R.
Dynamic magnetic information storage or retrieval
Head
Read only detector using light for reading magnetically...
360103, G11B 5127
Patent
active
055088694
ABSTRACT:
A magnetic head for magneto-optical recording comprises a head body (32) having a sliding portion (37) which causes a head element to come in sliding contact with a magneto-optical disc (1). The sliding portion (37) is disposed on an inner periphery of the magneto-optical disc (1) relative to a central magnetic pole core (14a) of the head element so that, even when the central magnetic pole core 14a is located at an outer peripheral point (A) of the magneto-optical disc (1), the sliding portion (37) can be prevented from hitting a bump portion formed on the outer periphery of the magneto-optical disc (1). Thus, in the sliding type magnetic head for magneto-optical recording, a utilization factor of a reliable recording and reproducing region of the magneto-optical disc (1) can be improved.
REFERENCES:
patent: 5003423 (1991-03-01), Imamura et al.
patent: 5202863 (1993-04-01), Miyatake et al.
patent: 5251089 (1993-10-01), Hara
Patent Abstracts of Japan, vol. 13, No. 222 (p. 876) 24 May 1989 & JP 1-35714.
Patent Abstracts of Japan, vol. 17, No. 422 (p. 1586) 5 Aug. 1993 & JP 5-81724.
Sony Corporation
Young W. R.
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