Abstract

The data reliability of a 90-mm flexible optical disk system with a phase-change rewritable disk is studied through accelerated tests of dust density for fabrication of low-cost, reliable flexible optical disks. A simple dust generator composed of a small loud speaker creates an extremely dusty environment in a chamber, with a dust density several times higher than in a normal environment. These accelerated tests indicate that a flexible optical disk contained in a semisealed cartridge will show no change in the number of errors over several years in a normal environment.

© 1992 Optical Society of America

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