Loading mechanism of DVD-RAM drive
Akira Kurotsuka, Shinichi Maeda, Kohzoh Ezawa, Eiichi Hanakawa · Optical Data Storage · 1998
DVD-RAM and PD are standardized as cased disk due to reliability of data recording. However, CD. CD-ROM, CD-R, DVD-ROM, and also DVD-RAM are used without cases. DVD-RAM drive supports reproducing these bare disks, and requires a loading mechanism which accepts both of a cartridge and a bare disk.