High Density Near-Field Optical Disc System
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概要
- 論文の詳細を見る
Key technologies for near-field recording/readout systems using a solid immersion lens (SIL) are summarized in this paper. Our system employing a SIL of 1.84 numerical aperture (NA) and a laser diode (LD) of 405 nm wavelength has realized the capacity of a 112 GB in a 12 cm diameter phase-change disc along with a write-power margin of $\pm 11.2$% and a data transfer rate of 36 Mbps. Such a larger-capacity data storage system should provide a high data transfer rate. A preliminary result of 1.84 NA dual-channel near-field recording/readout using a monolithic dual-beam LD with 412 nm wavelength is presented.
- 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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Saito Kimihiro
Optical Disc Development Division Av/it Development Group Sony Corporation
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Ishimoto Tsutomu
Optical Disc Development Division Av/it Development Group Sony Corporation
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Nakaoki Ariyoshi
Optical Disc Development Division Av/it Development Group Sony Corporation
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Shinoda Masataka
Optical Disc Development Division Av/it Development Group Sony Corporation
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Yamamoto Masanobu
Optical System Development Division, HENC, Sony Corporation, 6-7-35 Kitashinagawa, Shinagawa-ku, Tokyo 141-0001, Japan
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Yamamoto Masanobu
Optical Storage Laboratory, Material Laboratories, Sony Corporation, 6-7-35, Kitashinagawa Shinagawa-ku, Tokyo 141-0001, Japan
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Ito Tatsumi
Optical System Development Division, HENC, Sony Corporation, 6-7-35 Kitashinagawa, Shinagawa-ku, Tokyo 141-0001, Japan
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Maeda Osamu
Semiconductor Laser Division, DSC, MSNC, Sony Corporation, 6-7-35 Kitashinagawa, Shinagawa-ku, Tokyo 141-0001, Japan
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Hashizu Toshihiro
Semiconductor Laser Division, DSC, MSNC, Sony Corporation, 6-7-35 Kitashinagawa, Shinagawa-ku, Tokyo 141-0001, Japan
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Asano Takeharu
Semiconductor Laser Division, DSC, MSNC, Sony Corporation, 6-7-35 Kitashinagawa, Shinagawa-ku, Tokyo 141-0001, Japan
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Aga Keigo
Semiconductor Laser Division, DSC, MSNC, Sony Corporation, 6-7-35 Kitashinagawa, Shinagawa-ku, Tokyo 141-0001, Japan
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Takagi Katsuji
Manufacturing Engineering Development Center, MSNC, Sony Corporation, 6-7-35 Kitashinagawa, Shinagawa-ku, Tokyo 141-0001, Japan
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Tazoe Minoru
Manufacturing Engineering Development Center, MSNC, Sony Corporation, 6-7-35 Kitashinagawa, Shinagawa-ku, Tokyo 141-0001, Japan
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Shinoda Masataka
Optical System Development Division, HENC, Sony Corporation, 6-7-35 Kitashinagawa, Shinagawa-ku, Tokyo 141-0001, Japan
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Nakaoki Ariyoshi
Optical System Development Division, HENC, Sony Corporation, 6-7-35 Kitashinagawa, Shinagawa-ku, Tokyo 141-0001, Japan
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Saito Kimihiro
Optical System Development Division, HENC, Sony Corporation, 6-7-35 Kitashinagawa, Shinagawa-ku, Tokyo 141-0001, Japan
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Ishimoto Tsutomu
Optical System Development Division, HENC, Sony Corporation, 6-7-35 Kitashinagawa, Shinagawa-ku, Tokyo 141-0001, Japan
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Yamamoto Masanobu
Optical Disc Development Division, AV/IT Development Group, Sony Corporation, 6-7-35 Kitashinagawa, Shinagawa-ku, Tokyo 141-0001, Japan
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