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Seagate Next-Gen "HAMR" Storage Due In 2010

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Disk-drive maker Seagate Technology said this week that its Heat-Assisted Magnetic Recording Technology (HAMR) is due to come to market in 2010.

On Thursday, Seagate is expected to present some of its HAMR research findings to the American Physical Society (APS) conference. The research indicates that HAMR will eventually be able to store about 50 terabits per square inch.

The technology is expected to push out the "superparamagnetic limit", a point beyond which data can not be written reliably, due to bits "flipping" their magnetic polarity and turning data into meaningless noise.

HAMR is based upon the principle of optically-assisted or "near-field" recording. Seagate demonstrated the principles of HAMR two years ago. The technology, which uses lasers to heat the recording medium, was pioneered by the defunct TeraStor Corp. and Quinta, which was acquired by Seagate.

Seagate's Research division has worked on HAMR technology in addition to other promising storage technologies since its research center was first founded in 1998.


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