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HAMR
(redirected from Heat-assisted magnetic recording)

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HAMR
(Heat-Assisted Magnetic Recording) A future technique from Seagate for increasing the bit density on magnetic disks by using a more stable recording medium that does not succumb to the superparamagnetic limit. In order to write the bit into the medium, a laser heats the area momentarily, which then cools down. HAMR is expected in the 2010 time frame. See superparamagnetic limit and OAW.
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Ohno is looking at an alternative to heat-assisted magnetic recording to get around what he says is the difficulty of localizing heat to sufficiently small areas.
Memory enhancers: researchers explore future possibilities for dense ... by Gorman, Jessica / Science News
 
 
 
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