Versatile Multilayer Disc Versatile Multilayer Disc Versatile Multilayer Disc (VMD or HD VMD) is a high-capacity red laser optical disc technology designed by "New Medium Enterprises, Inc.". VMD was intended to compete with the blue laser Blu-ray Disc format and had an initial capacity of up to 30GB per side. At CeBIT in March 2006, NME demonstrated a prototype VMD player and announced that they were expecting to launch the format in the third quarter of 2006. At the Custom Electronic Design & Installation Association trade show in September 2007, NME exhibited two players set for release in October 2007. There were 20
Optical disc to be used in the Library of Congress archiving efforts. The STC disks utilized a sealed cartridge with an optical window for protection . The CD-ROM format was developed by Sony and Denon, introduced in 1984, as an extension of Compact Disc Digital Audio and adapted to hold any form of digital data. The same year, Sony demonstrated a LaserDisc data storage format, with a larger data capacity of 3.28 GB. In the late 1980s and early 1990s, Optex, Inc. of Rockville, MD, built an erasable optical digital video disc system using Electron Trapping Optical Media (ETOM). Although this technology