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 Home > News > Optical Storage > Marshal...
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Monday, September 06, 2004
Marshall Media Inc. Demonstrates "Direct Write" Technology Capability


Media Inc. (MMI), a privately held media company, announced today that it has successfully demonstrated 201 Gigabyte ROM optical media "direct write" technology capability...

, creating 70 nanometer lines between 40 nanometer space tracks for use with the next generation of blue violet laser diodes. "The company's patented MMI-Burn Technology provides 15 times higher density than Blu-Ray and faster CD and DVD manufacturing with superior duplication quality. The company plans to incorporate the MMI-Burn technology into its automated On-Demand manufacturing and packaging system in 2005," stated Charlie Marshall, Founder and CEO.

The present industry standard for the duplication process of a CD is 1 to 2 minutes, and for DVD, 12 to 14 minutes. One major benefit of the MMI-Burn technology is that it uses a "non-contact" duplication process that places the content on each disc in 1/10 of a second, at the same time providing "master disc" quality for every disk.

"This new technology puts MMI 5-10 years ahead of all existing media replication and duplication technologies," said John Trepl II, Chief Science Officer/Engineer for MMI. "We can now meet, and dramatically improve, industry production, with the added bonus of vastly improved quality reproduction by decreasing jitter to immeasurable levels although, we are inclined to defer to the critical listener," stated Trepl.

Data storage is limited by the pit feature size. Reducing feature size allows more data pits to be placed on the same size disc. The smaller pits have a tighter spiral track pitch, so more data can be stored. MMI's expanded density adds a new generation of density flexibility to CD/DVD manufacturing:

Year Smallest Pit Spiral Pitch Layer Capacity CD: 1982 833nm 1,600nm .7 GB
DVD: 1994 398nm 740nm 4.7 GB
Blu Ray: 2006 150nm 320nm 27.0 GB
EBR: T.B.D. 69nm 100nm 201.0 GB
MMI: 2004 40nm 80nm All of the above


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