Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Drum record
Patent
1996-06-27
1998-06-23
Renner, Craig A.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Drum record
G11B 548
Patent
active
057711372
ABSTRACT:
A magnetic head unit has a pair of spaced apart mounting legs bonded to a flexure seat thereby to be resiliently supported. Being made from sheet steel or the like, the flexure seat is more thermally expansible than the head unit. Should the pair of mounting legs be thermally spread apart from each other, the head unit would be strained to such an extent as to fail to make proper data transfer contact with the rotating magnetic disk. In order to avoid this danger, the flexure seat is configured to include a frame portion defining an opening, and a pair of spaced apart insular portions disposed in the opening in the frame portion and independently joined thereto via slender bridge portions. The head unit is mounted to this flexure seat by having the pair of mounting legs thereof bonded one to each insular portion.
REFERENCES:
patent: 4261024 (1981-04-01), Desserre
patent: 4449155 (1984-05-01), Meier et al.
patent: 4602306 (1986-07-01), Noda
patent: 4709285 (1987-11-01), Enami et al.
patent: 4748527 (1988-05-01), Fujioka et al.
patent: 4811140 (1989-03-01), Enami et al.
Renner Craig A.
Teac Corporation
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