90-mm magneto-optical disk drive with digital servo

Masahiro Miyoshi; Tetsuharu Kawasaki; Satoru Takahashi; Hironori Mine

doi:10.1117/12.45904

1 July 1991 90-mm magneto-optical disk drive with digital servo

Masahiro Miyoshi, Tetsuharu Kawasaki, Satoru Takahashi, Hironori Mine

Proceedings Volume 1499, Optical Data Storage '91; (1991) https://doi.org/10.1117/12.45904
Event: Optical Data Storage, 1991, Colorado Springs, CO, United States

Abstract

We have developed a half-height, 90 mm magneto-optical disk drive with composite continuous servo format, using a digital servo system with a single Digital Signal Processor (DSP). The drive has a rotational speed of 3600 rpm and an average access time of 50 msec with a average rotational latency. The use of DSP makes it possible to reduce the size of circuitry.

Citation Download Citation

Masahiro Miyoshi, Tetsuharu Kawasaki, Satoru Takahashi, and Hironori Mine "90-mm magneto-optical disk drive with digital servo", Proc. SPIE 1499, Optical Data Storage '91, (1 July 1991); https://doi.org/10.1117/12.45904

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