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December 10th, 2003
Nanoparticle arrays explored for terabit-level disks
The density of information stored on magnetic films has increased by a factor of 2 million since disk drives were introduced by IBM Corp. in 1957. Drives that store 70 Gbits/square inch are on the market now, and research projects have demonstrated densities three times as high. The dizzying pace, which outstrips the growth curve of silicon VLSI technology, has been sustained by fundamental materials research. There was no sign of a slowdown in such innovations last week at the fall meeting of the Materials Research Society.
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