Jun 02, 1999
"The breakthrough demonstrated by Seagate is very significant and promises to have a dramatic impact on the future face of storage technology," said Tom Porter, Seagate's Chief Technical Officer. "With the 105,000 track-per-inch capability shown in this technology demonstration, it would be possible to record 36 gigabytes on a single, two-sided disc, or an equivalent of 25 Gbits/square inch, if applied to conventional drive technology."
Seagate's OAW architecture provides a number of key technologies that afford several different solutions to the upcoming challenges in increasing the storage capacity of disc drives. Key components of the demonstration included a fibre-directed laser beam, a micro-positioning mirror integrated onto a hybrid opto-magnetic recording head, a micro-focusing lens, and a patterned polycarbonate plastic disc. A position error of only 1.2 microinches was measured. This is sufficiently accurate to provide a track density of 105,000 tracks-per-inch.
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