Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including a second component containing structurally defined...
Patent
1995-11-06
1998-09-22
Resan, Stevan A.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Including a second component containing structurally defined...
428328, 428329, 428332, 428694BA, 428694BN, 428900, G11B 5708
Patent
active
058111794
ABSTRACT:
A magnetic recording medium including a non-magnetic polymeric support and a magnetic layer on the non-magnetic polymeric support. The magnetic layer is positioned to be in contact with a record/playback head and includes ferromagnetic powder, abrasive material and binder resin, with at least 40 parts by weight of the abrasive material per 100 parts by weight of the ferromagnetic powder. The ferromagnetic powder has a saturation magnetization .sigma.s of 80 emu/g or more and long axis length of 0.25 .mu.m or less.
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Hatanaka Hideo
Kobata Kiyoshi
Kubota Kazunori
Okumura Hideki
Sakamoto Kazunori
Matsushita Electric - Industrial Co., Ltd.
Resan Stevan A.
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