Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Physical dimension specified
Patent
1991-07-31
1993-10-26
Pianalto, Bernard
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Physical dimension specified
427131, 428693, 428694R, 428900, 428694TS, H01F 1002
Patent
active
052564819
ABSTRACT:
A magnetic recording medium suitable for high density recording having improved erasing characteristics is produced by a method comprising the steps of forming an under coat layer containing an electrically conductive material on at least one surface of a substrate, applying a magnetic paint containing hexagonal system ferrite magnetic powder on the under coat layer and drying the applied magnetic paint to form a magnetic layer having a thickness of not larger than 0.7 .mu.m.
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patent: 4540618 (1985-09-01), Suzuki et al.
patent: 4671995 (1987-06-01), Sekiya et al.
patent: 4702959 (1987-10-01), Shimozawa et al.
Funahashi Masaya
Kishimoto Mikio
Miyake Akira
Miyata Teruhisa
Nagatani Hitoshi
Hitachi Maxell Ltd.
Pianalto Bernard
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