Track center servo and radial tilt servo system for DVD-RAM disk

Shin-ichi Yamada; Seiji Nishiwaki; Atsushi Nakamura; Takashi Ishida; Hiroyuki Yamaguchi

doi:10.1117/12.997638

28 June 1999 Track center servo and radial tilt servo system for DVD-RAM disc

Shin-ichi Yamada, Seiji Nishiwaki, Atsushi Nakamura, Takashi Ishida, Hiroyuki Yamaguchi

Proceedings Volume 3864, Joint International Symposium on Optical Memory and Optical Data Storage 1999; 386406 (1999) https://doi.org/10.1117/12.997638
Event: Optical Data Storage, 1999, Kauai, HI, United States

Abstract

To increase optical disc capacity, the track pitch becomes narrower. This necessitates a higher-accuracy for track servo. However, with the push-pull track error detection, the standard error detection for rewritable optical disc, detection error occurs due to disc radial tilt. The authors propose new method of a track center detection method that detects track center more accurately than the push-pull track error detection method, and develop a track center servo and radial tilt servo system based on this detection method.

Citation Download Citation

Shin-ichi Yamada, Seiji Nishiwaki, Atsushi Nakamura, Takashi Ishida, and Hiroyuki Yamaguchi "Track center servo and radial tilt servo system for DVD-RAM disc", Proc. SPIE 3864, Joint International Symposium on Optical Memory and Optical Data Storage 1999, 386406 (28 June 1999); https://doi.org/10.1117/12.997638

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