28 June 1999 27.4 Gbyte read-only dual-layer disk for blue laser
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Our colleagues and the authors earlier reported on a 15 Gbyte read only disc playback system and the disc manufacturing method. The authors are calling a prototype of the next generation DVD system as HD-DVD. A lot of technologies were devised in our proposal: including the new signal processing such as a cross talk canceler (CTC) and a “limit equalizer”, a tilt servo system with a liquid crystal panel and a disc mastering process employing photobleachable organic dye. In the following paragraphs, the authors will mainly report on a dual layer disc system for a blue laser. The recording capacity of 27.4 Gbytes on a 12 cm disc has been achieved with sufficient playback margin.
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Takanobu Higuchi, Takanobu Higuchi, Shogo Miyanabe, Shogo Miyanabe, Makoto Okano, Makoto Okano, } "27.4 Gbyte read-only dual-layer disk for blue laser", Proc. SPIE 3864, Joint International Symposium on Optical Memory and Optical Data Storage 1999, 386421 (28 June 1999); doi: 10.1117/12.997594; https://doi.org/10.1117/12.997594

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