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3177475
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Patent Grant
3177475
References
Source
Patent Number
3,177,475
Date Filed
Not available
Date Issued
Tuesday, April 6, 1965
59 years ago
CPC
H01F1/342 - Oxides
G11B5/127 - Structure or manufacture of heads
G11B5/133 - with cores composed of particles
G11B5/187 - Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium Pole pieces Gap features
G11B5/193 - the pole pieces being ferrite or other magnetic particles
Y10T29/49034 - Treating to affect magnetic properties
US Classifications
360 - Dynamic magnetic information storage or retrieval
029 - Metal working
G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
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