Multiplexed Optical Data Storage

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Multiplexed Optical Data Storage (MODS or MODS-Disc) is an experimental storage medium that - similar to Compact Disc , DVD and Blu-ray Disc - is read and written by laser. The MODS was presented on September 27, 2004 at the Asia-Pacific Data Storage Conference in Taiwan by researchers from Imperial College London . The MODS could be ready for the market by 2015.

The storage capacity is 250 GB per layer. This is achieved using asymmetrical pits and lands (see CD ) that reflect the laser at 332 different angles. A MODS recorded on both sides, with two layers per side, would amount to one terabyte.

Web links

• http://www.itwissen.info/definition/lexikon/multiplexed-optical-data-storage-MODS-MODS-Disc.html
• Multiplexed Optical Data Storage at Institute of Electrical and Electronics Engineers

Individual evidence

1. ^ Multiplexed optical data storage Imperial College , London
2. ↑ MODS disk: Up to 1 terabyte storage capacity PC Welt, September 28, 2004
3. ^ Optical terabyte storage in DVD size , heise.de, September 29, 2004