Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including a second component containing structurally defined...
Patent
1994-04-11
1996-05-07
Kiliman, Leszek
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Including a second component containing structurally defined...
428324, 428331, 428694B, 428694BS, 428694BN, 428694ST, 428694SL, 428900, B32B 516, G11B 566
Patent
active
055144640
ABSTRACT:
A magnetic recording medium comprising an undercoat layer formed on one side or both sides of a non-magnetic substrate and a magnetic layer formed on the undercoat layer, characterized in that the undercoat layer contains powders having an average particle size of 0.5 to 5.0 .mu.m and an aspect ratio of 5.0 or more and a magnetic recording medium comprising a magnetic layer formed on a non-magnetic substrate, characterized in that the non-magnetic substrate contains powders having an average particle size of 0.5 to 5.0 .mu.m and an aspect ratio of 5.0 or more.
REFERENCES:
patent: 4746558 (1988-03-01), Shimozawa
patent: 4863793 (1989-09-01), Ogawa
patent: 4910068 (1990-03-01), Takagi
Patent Abstracts of Japan, vol. 14, No. 92 (P-1009), 20 Feb. 1990.
Patent Abstracts of Japan, vol. 8, No. 159 (P-289) (1596), 24 Jul. 1984.
Kikuchi Kenichi
Kobayashi Osamu
Nakano Shigeru
Saito Masamichi
Sasaki Isao
Kiliman Leszek
Victor Company of Japan Ltd.
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