发明名称 |
Lens-type retroreflective sheeting |
摘要 |
<p>The present invention discloses lens-type retroreflective sheeting excellent in appearance and having constant thickness and desired retroreflective performance, wherein the transparent microspheres in the retroreflective layer are composed of transparent microspherical lenses (A) having a refractive index of 1.8 or more and transparent microspherical fillers (B) having a refractive index different by at least 5 % from the refractive index of the lenses (A).</p> |
申请公布号 |
EP0704719(A2) |
申请公布日期 |
1996.04.03 |
申请号 |
EP19950115551 |
申请日期 |
1995.10.02 |
申请人 |
NIPPON CARBIDE KOGYO KABUSHIKI KAISHA |
发明人 |
OCHI, KATSURA;TANAKA, OSAMU;TAKEDA, MAKOTO |
分类号 |
G02B5/128;(IPC1-7):G02B5/128 |
主分类号 |
G02B5/128 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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