Layer Stack Design of High Density Read-Only-Memory Discs for Near-Field Systems using a Solid Immersion Lens
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概要
- 論文の詳細を見る
For high numerical aperture (NA) near-field systems using a solid immersion lens, layer stack types of first-surface read-only-memory (ROM) discs have been investigated. Complicated interactions of high-NA incident and diffracted waves with surface waves occur in multilayer-stacked subwavelength structures on the discs. Therefore, vector diffraction simulation in consideration of these effects is indispensable for the optimization of the disc structures. We used rigorous coupled wave analysis to numerically calculate readout signals from the discs. On the basis of the simulation results, we actually fabricated high-density ROM media. Consequently, a significantly low jitter of 6.8% was obtained for 100 Gbyte ROM media with a designed structure in an NA 2.0 system.
- 2009-03-25
著者
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Yokogawa Fumihiko
Corporate R&d Laboratories Pioneer Corporation
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Kitano Kazutoshi
Advanced Drive Technology Department, Corporate R&D Laboratories, Pioneer Corporation, Tsurugashima, Saitama 350-2288, Japan
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Yamaguchi Atsushi
Advanced Drive Technology Department, Corporate R&D Laboratories, Pioneer Corporation, Tsurugashima, Saitama 350-2288, Japan
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Miura Masahiro
Advanced Drive Technology Department, Corporate R&D Laboratories, Pioneer Corporation, Tsurugashima, Saitama 350-2288, Japan
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Horikawa Kunihiko
Advanced Drive Technology Department, Corporate R&D Laboratories, Pioneer Corporation, Tsurugashima, Saitama 350-2288, Japan
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Tagiri Takao
Advanced Optical Disc Technology Department, Corporate R&D Laboratories, Pioneer Corporation, Kofu 400-0053, Japan
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Muramatsu Eiji
Advanced Drive Technology Department, Corporate R&D Laboratories, Pioneer Corporation, Tsurugashima, Saitama 350-2288, Japan
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Taniguchi Shoji
Advanced Drive Technology Department, Corporate R&D Laboratories, Pioneer Corporation, Tsurugashima, Saitama 350-2288, Japan
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Tagiri Takao
Advanced Optical Disc Technology Department, Corporate R&D Laboratories, Pioneer Corporation, Kofu 400-0053, Japan
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Horikawa Kunihiko
Advanced Drive Technology Department, Corporate R&D Laboratories, Pioneer Corporation, Tsurugashima, Saitama 350-2288, Japan
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Yamaguchi Atsushi
Advanced Drive Technology Department, Corporate R&D Laboratories, Pioneer Corporation, Tsurugashima, Saitama 350-2288, Japan
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Taniguchi Shoji
Advanced Drive Technology Department, Corporate R&D Laboratories, Pioneer Corporation, Tsurugashima, Saitama 350-2288, Japan
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Muramatsu Eiji
Advanced Drive Technology Department, Corporate R&D Laboratories, Pioneer Corporation, Tsurugashima, Saitama 350-2288, Japan
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Miura Masahiro
Advanced Drive Technology Department, Corporate R&D Laboratories, Pioneer Corporation, Tsurugashima, Saitama 350-2288, Japan
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