GBR (groove baseband recording) for an optical disk ROM

Seiji Kobayashi; Toshihiro Horigome; Hisayuki Yamatsu; Shin Masuhara; Kimihiro Saito

doi:10.1117/12.399349

18 September 2000 GBR (groove baseband recording) for an optical disk ROM

Seiji Kobayashi, Toshihiro Horigome, Hisayuki Yamatsu, Shin Masuhara, Kimihiro Saito

Proceedings Volume 4090, Optical Data Storage 2000; (2000) https://doi.org/10.1117/12.399349
Event: Optical Data Storage, 2000, Whistler, BC, Canada

Abstract

We propose a method to record a multilevel signal onto an optical read only memory disc. In this method, we use the signal processing to generate the multilevel recording signal, which satisfies zero-intersymbol interference condition and zero-direct current condition. The resultant multilevel signal is emboss recorded as position displacement of groove walls. To playback a disc, the push- pull detection and the adaptive equalizer is used. Experimental disc of 0.6 micron trackpitch and a 0.28 micron/bit of density is made. When a DVD equivalent optical pickup is used to playback this disc, we confirm the error rate of 3 X 10^-4 and a clear 2D eye pattern of 16 levels.

Citation Download Citation

Seiji Kobayashi, Toshihiro Horigome, Hisayuki Yamatsu, Shin Masuhara, and Kimihiro Saito "GBR (groove baseband recording) for an optical disk ROM", Proc. SPIE 4090, Optical Data Storage 2000, (18 September 2000); https://doi.org/10.1117/12.399349

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