2.5-inch quadruple-density CD-ROM using visible laser diode

Osamu Ota; Hitoshi Terasaki; Yoichi Tsuchiya; Shuichi Ichiura; Masahiro Higuchi

doi:10.1117/12.190171

12 October 1994 2.5-inch quadruple-density CD-ROM using visible laser diode

Osamu Ota, Hitoshi Terasaki, Yoichi Tsuchiya, Shuichi Ichiura, Masahiro Higuchi

Proceedings Volume 2338, 1994 Topical Meeting on Optical Data Storage; (1994) https://doi.org/10.1117/12.190171
Event: Optical Data Storage '94, 1994, Dana Point, CA, United States

Abstract

We have achieved a 2.5 inch (64 mm) quadruple density CD-ROM by developing a high resolution pick-up with our newly-developed visible laser diode whose wavelength is 635 nm, and also developing a disk cutting machine using a Kr ion laser with a wavelength of 407 nm.

Citation Download Citation

Osamu Ota, Hitoshi Terasaki, Yoichi Tsuchiya, Shuichi Ichiura, and Masahiro Higuchi "2.5-inch quadruple-density CD-ROM using visible laser diode", Proc. SPIE 2338, 1994 Topical Meeting on Optical Data Storage, (12 October 1994); https://doi.org/10.1117/12.190171

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