发明授权
- 专利标题： Hologram
- 专利标题（中）： 全息图
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申请号： US09475023申请日： 1999-12-30
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公开(公告)号： US06317227B1公开(公告)日： 2001-11-13
- 发明人: Yasuhiro Mizutani , Naoyuki Kawazoe , Hidekazu Hattori
- 申请人： Yasuhiro Mizutani , Naoyuki Kawazoe , Hidekazu Hattori
- 优先权： JP9-185879 19970625
- 主分类号： G02B532
- IPC分类号： G02B532
摘要：
A hologram has a hologram element 3 containing a photopolymer and a cover film 22 and cover plate 21 which cover its surfaces. An adhesive 1 is used for bonding the cover film to the hologram element and the cover plate to the hologram element. The hologram has excellent humidity resistance, chemical resistance, solvent resistance and heat resistance, prevents coloration, can maintain its holographic properties and allows easy repositioning of the hologram element.