发明授权
- 专利标题: Optical filter
- 专利标题(中): 滤光片
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申请号: US10994648申请日: 2004-11-23
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公开(公告)号: US07357981B2公开(公告)日: 2008-04-15
- 发明人: Isao Ikuhara , Tsukasa Yamada , Takumi Ando
- 申请人: Isao Ikuhara , Tsukasa Yamada , Takumi Ando
- 申请人地址: JP Minato-Ku, Tokyo
- 专利权人: Fujifilm Corporation
- 当前专利权人: Fujifilm Corporation
- 当前专利权人地址: JP Minato-Ku, Tokyo
- 代理机构: Buchanan Ingersoll & Rooney PC
- 优先权: JP11-171323 19990617; JP11-175582 19990622; JP11-184003 19990629
- 主分类号: B32B
- IPC分类号: B32B ; B32B17/10
摘要:
An optical filter comprising a transparent support having a tensile impact strength of 392 kJ/m2 or more having provided thereon a filter layer having an absorption maximum in the range of from 560 to 620 nm.
公开/授权文献
- US20050094275A1 Optical filter 公开/授权日:2005-05-05
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