Stock material or miscellaneous articles – All metal or with adjacent metals – Having magnetic properties – or preformed fiber orientation...
Patent
1981-05-14
1985-05-28
Pianalto, Bernard D.
Stock material or miscellaneous articles
All metal or with adjacent metals
Having magnetic properties, or preformed fiber orientation...
428678, 428679, 428680, 428681, 428928, H01F 1002
Patent
active
045200769
ABSTRACT:
A magnetic recording medium has plural magnetic layers on a non-magnetic substrate. The magnetic particles are orientated in substantially the same tilt direction for major axes of the particles in each magnetic layer and in cross tilt directions for major axes of the particles in the adjacent magnetic layers.
REFERENCES:
patent: 4220117 (1980-09-01), Shinohara
Izumi Toshiaki
Kobuke Takayoshi
Saito Seitoku
Sugihara Hiroshi
Pianalto Bernard D.
TDK Electronics Co. Ltd.
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