ITinfo: Pixie Dust Quadruples Disk Storage

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Pixie Dust Quadruples Disk Storage

by Dave Murphy
ISSN 1535-3613

IBM has begin producing a magnetic coating, called pixie dust, that will quadruple the storage capacity of hard drives.

The new technology will eventually raise the capacity of drives to 100 gigabits per square inch.

IBM said the technology, antiferromagnetically-coupled (AFC) media, sandwiches a three-atom-thick layer of a precious metal similar to platinum between two magnetic layers on a disk. Because of its atomic size, scientists at IBM have dubbed the metal "pixie dust."

IBM is using the AFC media in its Travelstar notebook hard disk drive products. Currently, it allows data densities up to 25.7 gigabits per square inch.

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updated May 23, 2001
http://dgl.com/itinfo/2001/it010523.html