High-density phase-change optical disc with low-to-high signal direction

被引：0

作者：

Nakamura, Naomasa ^{[1
]}

Morishita, Naoki ^{[1
]}

Suzuki, Katsumi ^{[1
]}

Yusu, Keiichiro ^{[2
]}

Ashida, Sumio ^{[2
]}

Kikitsu, Akira ^{[2
]}

Ichihara, Katsutaro ^{[2
]}

机构：

[1] Multimedia Eng. Laboratory, Toshiba Corp., 70, Yanagi-cho, Saiwai-ku, Kawasaki 210-8501, Japan

[2] Research and Development Center, Toshiba Corp., 1, Komukai Toshiba-cho, Saiwai-ku, Kawasaki 210-8582, Japan

来源：

Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers | 1999年 / 38卷 / 3 B期

关键词：

Theoretical; (THR);

D O I：

暂无

中图分类号：

学科分类号：

摘要：

High-density recording capability has been demonstrated in a modified low-to-high type phase-change disc which consists of multilayered lower dielectric film and an AlN upper protective layer. The thermal simulation shows that the disc is effective for decreasing thermal interference. A carrier to noise ratio (CNR) of more than 52 dB and an overwriting erase ratio of more than 30 dB were obtained at a bit length of 0.28 μm and a track pitch of 0.6 μm on both land and groove at a linear velocity of 8.2 m/s.

引用

页码：1711 / 1712

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