Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including a second component containing structurally defined...
Patent
1984-02-02
1985-07-09
Robinson, Ellis P.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Including a second component containing structurally defined...
360134, 360135, 360136, 427128, 427131, 428324, 428325, 428328, 428329, 428333, 428331, 428403, 428404, 428405, 428407, 428694, 428695, 428900, G11B 562
Patent
active
045282404
ABSTRACT:
A magnetic recording medium includes a substrate, a magnetic layer and a subbing layer therebetween. The subbing layer includes tin oxide type powders having a mean particle size not higher than 0.8 micron. S/N ratio is improved.
REFERENCES:
patent: 3414430 (1968-12-01), Maho
patent: 4178405 (1979-12-01), Berkowitz
patent: 4183976 (1980-01-01), Yamada
patent: 4210703 (1980-07-01), Scantlin
patent: 4388360 (1983-01-01), Miyoshi
patent: 4468436 (1984-08-01), Okita
Fujiyama Masaaki
Miyoshi Takahito
Okutu Toshimitu
Fuji Photo Film Co. , Ltd.
Robinson Ellis P.
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