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
TMY2 at this domain
The positioner and control system: Data bits as seen through the microscope: