A disc cartridge which includes a dust-proofing mechanism having a dust-proofing panel, a dust-proofing arm and a dust-proofing plate which are arranged facing the major surface, bottom surface and both lateral surfaces of the disc cartridge loaded in position to prohibit intrusion of dust and dirt into...http://www.google.fr/patents/US6239944?utm_source=gb-gplus-shareBrevet US6239944 - Disc cartridge and dust-proofing system in disc drive system
Disc cartridge and dust-proofing system in disc drive system