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Proceedings Paper

Development Of Pre-Groove Writer
Author(s): Junichi Ichihara; Akio Futamata; Sigeru Arai; Yasuyuki Ozawa; Susumu Sato
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Paper Abstract

A versatile and precise pre-grooove writer, used to fabricate optical disk replication masters, has been developed. This paper describes some of the features and the structure of the pre-groove writer. The writer can produce both concentric and spiral grooves with a track pitch accuracy of less than 0.1 μm, on disks ranging between 3.5" and 12" in diameter. Concentric grooves can be written as fast as 10000 tracks per hour. A dual-beam optical system enables writing of disks of both the on-land recording and on-groove recording types.The mechanical components, position control systems and optical systems were all designed with the aim of attaining these characteristics.

Paper Details

Date Published: 2 June 1988
PDF: 7 pages
Proc. SPIE 0899, Optical Storage Technology and Applications, (2 June 1988); doi: 10.1117/12.944613
Show Author Affiliations
Junichi Ichihara, Fujitsu Laboratories Ltd. (Japan)
Akio Futamata, Fujitsu Laboratories Ltd. (Japan)
Sigeru Arai, Fujitsu Laboratories Ltd. (Japan)
Yasuyuki Ozawa, Fujitsu Laboratories Ltd. (Japan)
Susumu Sato, Fujitsu Laboratories Ltd. (Japan)

Published in SPIE Proceedings Vol. 0899:
Optical Storage Technology and Applications
Donald B. Carlin; Albert A. Jamberdino; Yoshito Tsunoda, Editor(s)

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