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, Hitoshi Terasaki, Yoichi Tsuchiya, Shuichi Ichiura, 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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