Storage density in an optical data storage media and system is increased many times the resolution limit by fully utilizing the much smaller detection limit by differentiating and isolating the active data sites in the media optically. The tracks are preordained and predisposed to a specific optical...http://www.google.com.au/patents/US6249507?utm_source=gb-gplus-sharePatent US6249507 - Information storage systems utilizing media with optically-differentiated data sites
