LOC disk positioner | |||
Designed and built this optical disk positioner for one gigabyte glass disk aging studies at the Library of Congress. The positioner was mounted onto a looking up metallurgical microscope. The general idea was to remount the disk and find a specific data bit to examine its degradation over time. | Thomas Young PO Box 70247 Pt. Richmond CA 94807 510-326-7407 TMY2 at this domain |
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The positioner and control system: | Data bits as seen through the microscope: |