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US 2006/0215243 A1Published application
Hologram recording medium
AssigneeFuji Xerox Co., Ltd.
InventorsKoichi Haga, Kazuhiro Hayashi, Katsunori Kawano, Hisae Yoshizawa, Jiro Minabe, Yasuhiro Ogasawara, Shin Yasuda, Norie Matsui
Life of this patent
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Abstract
There is provided a hologram recording medium having: a recording layer at which a hologram can be recorded by illumination of writing light; and a protective layer provided on the recording layer in order to protect the recording layer, a water absorbency of the protective layer being less than or equal to 0.01%.
Claims27
A hologram recording medium comprising:
- a recording layer at which a hologram can be recorded by illumination of writing light;
- and
- a protective layer provided on the recording layer in order to protect the recording layer, a water absorbency of the protective layer being less than or equal to 0.01%.
A hologram recording medium comprising:
- a non-optical-quality sheet member;
- a recording layer at which a hologram can be recorded by illumination of writing light;
- a reflecting layer provided between the sheet member and the recording layer, and due to illumination of reading light from a recording layer side, the reflecting layer reflecting the reading light and diffracted light diffracted by the hologram;
- and
- a protective layer provided on the recording layer in order to protect the recording layer, a water absorbency of the protective layer being less than or equal to 0.01%.
2 more elements
Dependencies are inferred from the claim text.