Growth in knowledge has generated information in an ever-increasing volume, and, simultaneously, it has given rise to the need for efficient distribution and long-term preservation. The new generation of storage media must be removable, possess a high recording capacity, and achieve substantially improved storage life over magnetic media for archival purposes. These requirements are met by Gigadisc, the result of a research program in the laser recording field undertaken in 1969.

© 1984 Optical Society of America

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