发明名称 Magnetic recording medium
摘要 A magnetic recording medium includes a non-magnetic supporter, a first magnetic layer and a second magnetic layer on which magnetic paints made of different ferromagnetic materials are applied in order of the first magnetic layer and the second magnetic layer on the non-magnetic supporter. Both the first magnetic layer and the second magnetic layer include polyester polyol having an alicyclic framework and a polyurethane resin composed of diisocyanate.
申请公布号 US2004121187(A1) 申请公布日期 2004.06.24
申请号 US20030714021 申请日期 2003.11.13
申请人 KATO ATSUSHI;KAGAWA JUNJI;MURAKAMI HIROYUKI;KOIKE FUMIKO 发明人 KATO ATSUSHI;KAGAWA JUNJI;MURAKAMI HIROYUKI;KOIKE FUMIKO
分类号 G11B5/702;G11B5/716;(IPC1-7):G11B5/66 主分类号 G11B5/702
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