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FMD-ROM
Last modified: Tuesday, August 07, 2001 

Introduced by Constellation 3D Inc. (C3D), Fluorescent Multi-Layer Disc holds up to 140 GB of data. This is currently 215 times greater than a CD-ROM (.65 GB) and 23 times greater than a DVD-ROM (6 GB).

FMD-ROM discs contain fluorescent materials embedded in the pits and grooves of all 10+ layers. When in contact with a laser, the fluorescent materials are stimulated to produce coherent and incoherent light; data is stored in the incoherent light.

Because the technology isn't based on reflection, multiple layers are read at the same time.

With minor re-tooling, FMD-ROM discs are compatible with existing CD-ROM and DVD-ROM drives. Likewise, FMD-ROM drives are backward compatible, accepting CDs and DVDs.

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For internet.com pages about FMD-ROM . Also check out the following links!

Related Links

Constellation 3D Home Page
Provides product overviews and technical overviews of its fluorescent multi-layer data storage devices and discs.

related categories

Data Storage

related terms

CD-ROM

DVD-ROM

optical disk


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