| 摘要 |
In order to provide a more practical, thin and lightweight hologram medium cartridge, a cartridge case is provided with a hologram accommodating recess for accommodating a holographic recording material, the holographic recording material is accommodated in the recess, and a surface of the holographic recording material accommodated in the recess is covered with a transparent substrate. It is possible to make the hologram medium cartridge thinner and more lightweight by one substrate, in comparison with the case in which the holographic recording material sandwiched between two substrates is accommodated in the cartridge case.
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