发明名称 |
Hologram device, its production method, and electronic optical part |
摘要 |
A hologram device of the invention comprises a substrate having a hologram diffraction lattice thereon and a low moisture-permeable film formed on the substrate and covering the hologram diffraction lattice, wherein the substrate has an exposed region not covered with the low moisture-permeable film.
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申请公布号 |
US2005153211(A1) |
申请公布日期 |
2005.07.14 |
申请号 |
US20050025911 |
申请日期 |
2005.01.03 |
申请人 |
SHARP KABUSHIKI KAISHA |
发明人 |
TAKEMORI HIROTOSHI;TSUJIMURA MASAHIRO |
分类号 |
G02B5/32;G02B5/18;G03H1/02;(IPC1-7):G03H1/04 |
主分类号 |
G02B5/32 |
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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