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Proceedings Paper

Magneto-Optical Disk For Coded Data Storage
Author(s): Masahiro Ojima; Atsushi Saito; Toshimitsu Kaku; Masaru Ito; Yoshito Tsunoda; Shinji Takayama; Yutaka Sugita
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Paper Abstract

A compact magneto-optical disk having 500 times the capacity of a 5-1/4 inch floppy disk is used for coded data storage. Low error rates are attained by the utilization of advanced highly sensitive polarization detection optics and high quality recording media. These fields of technology are developed based on noise analysis of readout signals. The disk drive can write and erase data by sectors and also play the current "write-once" type optical disk. This disk/disk drive unit promises to enhance the storage capacity of current office automation and other information systems.

Paper Details

Date Published: 12 April 1985
PDF: 7 pages
Proc. SPIE 0529, Optical Mass Data Storage I, (12 April 1985); doi: 10.1117/12.946425
Show Author Affiliations
Masahiro Ojima, Hitachi Ltd. (Japan)
Atsushi Saito, Hitachi Ltd. (Japan)
Toshimitsu Kaku, Hitachi Ltd. (Japan)
Masaru Ito, Hitachi Ltd. (Japan)
Yoshito Tsunoda, Hitachi Ltd. (Japan)
Shinji Takayama, Hitachi Ltd. (Japan)
Yutaka Sugita, Hitachi Ltd. (Japan)


Published in SPIE Proceedings Vol. 0529:
Optical Mass Data Storage I
Robert A. Sprague, Editor(s)

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