Abstract

High-density land/groove recording technology for magnetooptical (MO) disks, using a high-speed crosstalk canceller which eliminates crosstalk from adjacent tracks, has been developed. A 0.50 µm/bit linear density with a 0.8 µm track pitch has been confirmed with a bit error rate (BER) less than 10-5. A digital video file system using this technology has also been developed. As a result, the authors confirmed the validity for the high-density land/groove recording technology in realizing larger capacity for digital video file systems.

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