Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Disk record
Reexamination Certificate
2006-07-04
2006-07-04
Klimowicz, William J (Department: 2652)
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Disk record
Reexamination Certificate
active
07072141
ABSTRACT:
A magnetic disc unit having a rotating disc type magnetic disc, a head for recording and reproducing data to and from the magnetic disc, and a shroud surrounding an end surface of an outer periphery of the magnetic disc, except a part where a carriage arm is inserted, wherein a gap between the outer peripheral end surface of the magnetic disc and the shroud is set in a range which is greater than 0.1 mm but not greater than 0.6 mm.
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Imai Satomitsu
Okazaki Toshihisa
Saegusa Shozo
Sega Masahiko
Shimizu Hayato
Antonelli, Terry Stout and Kraus, LLP.
Hitachi Global Storage Technologies Japan Ltd.
Klimowicz William J
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