Development Of Pre-Groove Writer

Junichi Ichihara; Akio Futamata; Sigeru Arai; Yasuyuki Ozawa; Susumu Sato

doi:10.1117/12.944613

2 June 1988 Development Of Pre-Groove Writer

Junichi Ichihara, Akio Futamata, Sigeru Arai, Yasuyuki Ozawa, Susumu Sato

Proceedings Volume 0899, Optical Storage Technology and Applications; (1988) https://doi.org/10.1117/12.944613
Event: 1988 Los Angeles Symposium: O-E/LASE '88, 1988, Los Angeles, CA, United States

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.

Citation Download Citation

Junichi Ichihara, Akio Futamata, Sigeru Arai, Yasuyuki Ozawa, and Susumu Sato "Development Of Pre-Groove Writer", Proc. SPIE 0899, Optical Storage Technology and Applications, (2 June 1988); https://doi.org/10.1117/12.944613

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