| 摘要 |
A disc cartridge accommodating a photon mode optical information recording medium is provided with a disc case having an opening section, and a shutter movably disposed between a closing position to close the opening section and an opening position to open the opening section. The disc case includes a light path bending portion for bending a clearance between the shutter at the closing position and the disc case at least at two points. Stray light propagating in the clearance between the disc case and the shutter is bent at least at two points.
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