STEERING LASER BEAM WHILE ETCHING OPTICAL SERVO TRACKS FOR MAGNETIC DISKS

STEERING LASER BEAM WHILE ETCHING OPTICAL SERVO TRACKS FOR MAGNETIC DISKS

A beam of light used to etch servo tracks on a magnetic disk is steered with an acousto-optical device to maintain the beam in concentrical patterns while mechanically moving the optics which generate the beam of light continuously radially of the disk.

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Bibliographische Detailangaben
Hauptverfasser: WALLENTINE, DON, W, THOMAS, FRED, CHARLES, BERO, JAMES, WILSON, SCOTT
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
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Beschreibung
Zusammenfassung:A beam of light used to etch servo tracks on a magnetic disk is steered with an acousto-optical device to maintain the beam in concentrical patterns while mechanically moving the optics which generate the beam of light continuously radially of the disk.