Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Drum record
Patent
1981-12-30
1984-04-17
Stellar, George G.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Drum record
360110, G11B 512
Patent
active
044438257
ABSTRACT:
A magnetic head has first and second pole pieces having a magnetic gap disposed therebetween. The pole pieces are mounted by a nonmagnetic material having a composition which, by weight, is between 10 and 30% calcium oxide and between 70 and 90% titanium dioxide and up to 2% zirconium dioxide.
Braitling Joseph G.
Wank Larry A.
North American Philips Corporation
Smith Robert S.
Stellar George G.
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