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Proceedings Paper

High-speed large-capacity optical disk using pit-edge recording and MCAV method
Author(s): Takeshi Maeda; Atsushi Saitoo; Hisataka Sugiyama; Masahiro Ojima; Shinichi Arai; Kazuo Shigematu
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Paper Abstract

A large size optical disk (for example, in 300 mm diameter) has been applied to document files and archived coded data files. Recently, demands for larger capacity and higher speed are growing greatly. Therefore, we developed a write once optical disk (300 mm in diameter), which adopts the pit-edge recording method and the MCAV (modified constant angular velocity) method to achieve higher linear density. On optical disk system combining the above two methods has yet been developed. In addition, new techniques must still be developed to satisfy the requirements of large capacity and high speed using these two methods. In this paper, new techniques were have developed are discussed.

Paper Details

Date Published: 1 July 1991
PDF: 5 pages
Proc. SPIE 1499, Optical Data Storage '91, (1 July 1991); doi: 10.1117/12.45922
Show Author Affiliations
Takeshi Maeda, Hitachi Ltd. (Japan)
Atsushi Saitoo, Hitachi Ltd. (Japan)
Hisataka Sugiyama, Hitachi Ltd. (Japan)
Masahiro Ojima, Hitachi Ltd. (Japan)
Shinichi Arai, Hitachi Ltd. (Japan)
Kazuo Shigematu, Hitachi Ltd. (Japan)


Published in SPIE Proceedings Vol. 1499:
Optical Data Storage '91

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