Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including a second component containing structurally defined...
Patent
1991-06-17
1994-06-14
Thibodeau, Paul J.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Including a second component containing structurally defined...
428329, 428694, 428900, B32B 516, G11B 566
Patent
active
053209010
ABSTRACT:
A magnetic recording tape of plural magnetic coating layers, which has excellent properties of both the electromagnetic conversion properties, particularly the chromatic output, and the corrosion resistance is disclosed. The top layer contains magnetic metal powder having the weight ratio of Al to Fe being 0.005 to 0.2, and the lower layer has the coercive force of not less than 650 Oe and not more than 1200 Oe.
REFERENCES:
patent: 4390361 (1983-06-01), Sugashi et al.
patent: 4801505 (1989-01-01), Ejiri et al.
patent: 4851289 (1989-07-01), Ogawa et al.
patent: 4851289 (1989-07-01), Ogawa et al.
patent: 4980230 (1990-12-01), Saito et al.
Goto Narito
Sasaki Kunitsuna
Sekiguchi Nobuyuki
Takeda Katsuyuki
Bierman Jordan B.
Kiliman Leszek
Konica Corporation
Thibodeau Paul J.
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