发明授权
- 专利标题: Magnetooptical recording medium
- 专利标题(中): 磁光记录介质
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申请号: US485159申请日: 1995-06-07
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公开(公告)号: US5738950A公开(公告)日: 1998-04-14
- 发明人: Hiroyoshi Kishi , Masaaki Matsushima
- 申请人: Hiroyoshi Kishi , Masaaki Matsushima
- 申请人地址: JPX Tokyo
- 专利权人: Canon Kabushiki Kaisha
- 当前专利权人: Canon Kabushiki Kaisha
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX57-77677 19820510; JPX58-45035 19830316
- 主分类号: C22C45/02
- IPC分类号: C22C45/02 ; G03G5/16 ; G11B7/243 ; G11B11/105 ; H01F10/13 ; G11B5/66
摘要:
A magnetooptical recording medium is constituted of a quaternary amorphous magnetic alloy of Gd--Tb--Fe--Co.
公开/授权文献
- US4480274A Record verify and optimize system 公开/授权日:1984-10-30
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