Examination of the read/write characteristics of an MO signal with a wobbled groove clock

Hiroshi Watanabe; Kenji Asano; Noboru Mamiya; Yoshihisa Suzuki; Yoshihiro Hori; Yoshiharu Uchihara; Satoshi Sumi; Toshiaki Hioki; Yoshiteru Murakami; Masahiko Kaneko

doi:10.1117/12.327944

23 October 1998 Examination of the read/write characteristics of an MO signal with a wobbled groove clock

Hiroshi Watanabe, Kenji Asano, Noboru Mamiya, Yoshihisa Suzuki, Yoshihiro Hori, Yoshiharu Uchihara, Satoshi Sumi, Toshiaki Hioki, Yoshiteru Murakami, Masahiko Kaneko

Author Affiliations +

Proceedings Volume 3401, Optical Data Storage '98; (1998) https://doi.org/10.1117/12.327944
Event: Optical Data Storage '98, 1998, Aspen, CO, United States

Abstract

We manufactured a high-frequency wobbled groove disk, and examined reading/writing a magneto-optical signal by using a clock generated from the wobbled groove. We also measured clock jitter and bit error rate. The results of this were clock jitter of under 2.5 ns, and a bit error rate almost equal to that of a self-clock. This wobbled groove clock method is therefore effective for higher density recording.

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Hiroshi Watanabe, Kenji Asano, Noboru Mamiya, Yoshihisa Suzuki, Yoshihiro Hori, Yoshiharu Uchihara, Satoshi Sumi, Toshiaki Hioki, Yoshiteru Murakami, and Masahiko Kaneko "Examination of the read/write characteristics of an MO signal with a wobbled groove clock", Proc. SPIE 3401, Optical Data Storage '98, (23 October 1998); https://doi.org/10.1117/12.327944

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