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Media Technologies for 20 GB Single Layer and 36 GB Dual Layer Phase Change Rewritable Disc “HD DVD-ARW”

Published online by Cambridge University Press:  01 February 2011

Sumio Ashida ,
Keiichiro Yusu ,
Tsukasa Nakai ,
Takayuki Tsukamoto ,
Katsutaro Ichihara ,
Noritake Ohmachi ,
Naoki Morishita ,
Akihito Ogawa  and
Naomasa Nakamura
Sumio Ashida
Affiliation:
Storage Materials and Devices Lab., Corporate Research and Development Center, Toshiba Corporation, Kawasaki, Japan
Keiichiro Yusu
Affiliation:
Storage Materials and Devices Lab., Corporate Research and Development Center, Toshiba Corporation, Kawasaki, Japan
Tsukasa Nakai
Affiliation:
Storage Materials and Devices Lab., Corporate Research and Development Center, Toshiba Corporation, Kawasaki, Japan
Takayuki Tsukamoto
Affiliation:
Storage Materials and Devices Lab., Corporate Research and Development Center, Toshiba Corporation, Kawasaki, Japan
Katsutaro Ichihara
Affiliation:
Storage Materials and Devices Lab., Corporate Research and Development Center, Toshiba Corporation, Kawasaki, Japan
Noritake Ohmachi
Affiliation:
Core Technology Center, Digital Media Network Company, Toshiba Corporation, Yokohama, Japan
Naoki Morishita
Affiliation:
Core Technology Center, Digital Media Network Company, Toshiba Corporation, Yokohama, Japan
Akihito Ogawa
Affiliation:
Core Technology Center, Digital Media Network Company, Toshiba Corporation, Yokohama, Japan
Naomasa Nakamura
Affiliation:
Core Technology Center, Digital Media Network Company, Toshiba Corporation, Yokohama, Japan
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Abstract

In an effort to achieve as high a storage capacity as possible on a disc format that is similar to conventional DVD using blue-violet laser, a number of new technologies have been implemented for the phase change rewritable media. The technologies include the ways to meet challenges in obtaining larger signal amplitude for shorter bit lengths and lowering the cross erase for narrower track pitches. Technologies developed for both the single layer and the dual layer discs are discussed.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 803: Symposia GG/HH – Advanced Characterization Techniques for Data Storage Materials – Phase Change and Nonmagnetic Materials for Data Storage , 2003 , HH4.2
Copyright
Copyright © Materials Research Society 2004

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References

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