Dual-Layer Energy-Gap-Induced Super-Resolution Read-Only-Memory Disc Using ZnO Film
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概要
- 論文の詳細を見る
Energy-gap-induced super-resolution (EG-SR) technology has been developed for high-density optical discs with a high readout stability using a zinc oxide (ZnO) thin film. ZnO film indicated a thermal change in optical properties. By applying these effects to a read-only-memory (ROM) disc, we obtained a linear bit density twofold that of conventional ROM discs in our experimental optical pickup system with a 404-nm-wavelength laser and a 0.85-numerical-aperture (NA) objective lens. In this study, we report an optical disc technology that enables super-resolution readout of data pits in a dual-layer structure by employing a transparent ZnO super-resolution functional film.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2006-02-15
著者
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Takamori Nobuyuki
Advanced Technology Research Laboratories Corporate R&d Group Sharp Corporation
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Takahashi Akira
Advanced Technology Research Laboratories Corporate R&d Group Sharp Corporation
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Tajima Hideharu
Advanced Technology Research Laboratories Corporate R&d Group Sharp Corporation
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Mori Go
Advanced Technology Research Laboratories Corporate R&d Group Sharp Corporation
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Takamori Nobuyuki
Advanced Technology Research Laboratories, Corporate R&D Group, SHARP Corporation, 2613-1 Ichinomoto-cho, Tenri, Nara 632-8567, Japan
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Yamamoto Masaki
Advanced Technology Research Laboratories, Corporate R&D Group, SHARP Corporation, 2613-1 Ichinomoto-cho, Tenri, Nara 632-8567, Japan
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Tajima Hideharu
Advanced Technology Research Laboratories, Corporate R&D Group, SHARP Corporation, 2613-1 Ichinomoto-cho, Tenri, Nara 632-8567, Japan
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