12 October 1994 2.5-inch quadruple-density CD-ROM using visible laser diode
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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.
© (1994) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Osamu Ota, Osamu Ota, Hitoshi Terasaki, Hitoshi Terasaki, Yoichi Tsuchiya, Yoichi Tsuchiya, Shuichi Ichiura, Shuichi Ichiura, Masahiro Higuchi, 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); doi: 10.1117/12.190171; https://doi.org/10.1117/12.190171
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