Land/groove recording in MO systems

Atsushi Fukumoto; Shin Masuhara; Katsuhisa Aratani

doi:10.1117/12.218731

8 September 1995 Land/groove recording in MO systems

Atsushi Fukumoto, Shin Masuhara, Katsuhisa Aratani

Proceedings Volume 2514, Optical Data Storage '95; (1995) https://doi.org/10.1117/12.218731
Event: Optical Data Storage '95, 1995, San Diego, CA, United States

Abstract

Land/groove recording in an MO system was demonstrated using MFM recording technology and a 690 nm wavelength diode laser. The CNR of 55 dB and cross-talk of about -35 dB were obtained at a 1.88 micrometers recorded mark length and a 0.7 micrometers yielded a 0.35 micrometers bit length and a 0.7 micrometers track pitch were 8.1% on land and 8.7% on groove. The disk tilt margins were radially +/- 0.42 deg and tangentially +/- 0.45 deg when reading out on land, and +/- 0.40 deg and +/- 0.44 deg on the groove. The recording power margins were estimated to be +/- 8.0% on land and +/- 9.0% on groove considering over-writability and cross-write characteristics.

Citation Download Citation

Atsushi Fukumoto, Shin Masuhara, and Katsuhisa Aratani "Land/groove recording in MO systems", Proc. SPIE 2514, Optical Data Storage '95, (8 September 1995); https://doi.org/10.1117/12.218731

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