Superlarge-Capacity Optical Disk with Multilayer Structure Fabricated Using a Photopolymer Sheet
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概要
- 論文の詳細を見る
We have been studying a multilayer disk in order to realize a 12-cm-diameter optical disk with the recording capacity of 100 GB or more. We tried to fabricate a multilayer disk using a photopolymer sheet. We developed a new sheet, and confirmed the performance of this sheet. A single layer disk made using this sheet had a value of 5.3%, and a 25 GB capacity. Then we fabricated a dual layer disk. The thickness variations from the disk surface to each recording layer were $\pm 0.6$ μm and $\pm 0.7$ μm. These results indicated the possibility of realizing a multilayer disk for a high-numerical-aperture (high-NA) system. We will evaluate the signals reproduced from the multilayer disk in the next step.
- Publication Office, Japanese Journal of Applied Physics, Faculty of Science, University of Tokyoの論文
- 2003-02-15
著者
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Higuchi Takanobu
Corporate Research And Development Laboratories Pioneer Corporation
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Shida Noriyoshi
Corporate Research And Development Laboratories Pioneer Corporation
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Iida Tetsuya
Corporate Research And Development Laboratories Pioneer Corporation
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Suga Keiji
Corporate Research And Development Laboratories Pioneer Corporation
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Suga Keiji
Corporate Research and Development Laboratories, Pioneer Corporation, 1-1 Fujimi 6 chome, Tsurugashima-shi, Saitama 350-2288, Japan
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Iida Tetsuya
Corporate Research & Development Center, Toshiba Corporation
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Higuchi Takanobu
Corporate Research and Development Laboratories, Pioneer Corporation, 1-1 Fujimi 6 chome, Tsurugashima-shi, Saitama 350-2288, Japan
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