发明授权
- 专利标题： Master information carrier for magnetic transfer and magnetic transfer method
- 专利标题（中）： 磁传输和磁转移方法的主信息载体
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申请号： US10958327申请日： 2004-10-06
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公开(公告)号： US07094481B2公开(公告)日： 2006-08-22
- 发明人: Masakazu Nishikawa , Kazuhiro Niitsuma , Tadashi Yasunaga , Toshihiro Usa , Kazunori Komatsu
- 申请人： Masakazu Nishikawa , Kazuhiro Niitsuma , Tadashi Yasunaga , Toshihiro Usa , Kazunori Komatsu
- 申请人地址： JP 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： JP Kanagawa-ken
- 代理机构： Sughrue Mion, PLLC
- 优先权： JP2001/362550 20011128
- 主分类号： G11B5/64
- IPC分类号： G11B5/64 ; G11B5/86
摘要：
A master information carrier for magnetic transfer to an in-plane magnetic recording medium includes a base sheet having an irregularity pattern representing information to be transferred to an in-plane magnetic recording medium and a magnetic layer formed along the irregularity pattern. The thickness da1 of the magnetic layer on the upper surface of a protruding portion of the irregularity pattern and the thickness da2 of the magnetic layer on each of the side surfaces of the protruding portion satisfy the following condition, 0.05
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