发明授权
- 专利标题: Magnetic recording medium
- 专利标题(中): 磁记录介质
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申请号: US247573申请日: 1981-03-26
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公开(公告)号: US4409291A公开(公告)日: 1983-10-11
- 发明人: Hiroshi Ogawa , Akira Kasuga , Yasuo Tamai , Yasuyuki Yamada
- 申请人: Hiroshi Ogawa , Akira Kasuga , Yasuo Tamai , Yasuyuki Yamada
- 申请人地址: JPX Kanagawa
- 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
- 优先权: JPX55-38405 19800326
- 主分类号: C09D5/23
- IPC分类号: C09D5/23 ; G11B5/702 ; H01F10/02 ; B32B27/40
摘要:
A magnetic recording medium is described comprising a non-magnetic support having formed thereon a magnetic layer comprising a binder and fine ferromagnetic particles dispersed therein, said binder containing a polyester polyurethane prepared by reacting poly(1,6-hexane adipate) with 4,4'-diphenylmethane diisocyanate.
公开/授权文献
- US5449964A Triggering transducer apparatus for acoustic device 公开/授权日:1995-09-12
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