发明授权
- 专利标题: Magnetic recording medium and process for producing the same
- 专利标题(中): 磁记录介质及其制造方法
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申请号: US37053申请日: 1998-03-09
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公开(公告)号: US6106895A公开(公告)日: 2000-08-22
- 发明人: Kazuyuki Usuki
- 申请人: Kazuyuki Usuki
- 申请人地址: JPX Kanagawa-ken
- 专利权人: Fuji Photo Film Co., Ltd.
- 当前专利权人: Fuji Photo Film Co., Ltd.
- 当前专利权人地址: JPX Kanagawa-ken
- 优先权: JPX9-055942 19970311
- 主分类号: C09D171/02
- IPC分类号: C09D171/02 ; C09D183/04 ; G11B5/64 ; G11B5/66 ; G11B5/73 ; G11B5/738 ; G11B5/84 ; G11B5/842 ; B05D7/04
摘要:
A magnetic recording medium comprises a non-magnetic substrate and a magnetic layer, which is constituted of a thin ferromagnetic metal film and is overlaid upon at least either one of the surfaces of the non-magnetic substrate. A prime-coating layer, which contains a silicone resin having an aromatic hydrocarbon group, is formed between the non-magnetic substrate and the thin ferromagnetic metal film. The magnetic recording medium can be produced easily and at a low cost. The prime-coating layer has smooth surface characteristics and is free from deterioration of surface characteristics and the occurrence of cracking even during the formation of a magnetic layer thereon with a sputtering process, which is accompanied by heating of the substrate. Also, the prime-coating layer causes no blocking to occur and is uniform and capable of being subjected to a wet-on-wet coating technique.
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