Signal Characteristics of Super-Resolution Near-Field Structure Disk in Blue Laser System
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概要
- 論文の詳細を見る
We report the signal characteristics of a super-resolution near-field structure (super-RENS) disk in a blue laser system (laser wavelength, 405 nm; numerical aperture (NA), 0.85). By introducing a new structure for the blue laser system, a 42.5 dB carrier to noise ratio (CNR) at a 50-nm-mark-length-signal (which is equivalent to a 75 GB capacity with a 0.32 micrometer track pitch and a 1–7 modulation code (Blu-ray disc (BD) format)) and a much higher readout-stability were obtained. Transmission electron inicroscope (TEM) image analysis revealed that the new blue structure has clear diffusion protection barriers produced by continuous Pt particles, which is related to higher CNR and readout stability characteristics.
- 2004-07-15
著者
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Tominaga Junji
Center For Applied Near-field Optics Research (can-for) Aist
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Shin Dongho
Digital Media R&d Center Samsung Electronics Co. Ltd
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Kim Jooho
Digital Media R&d Center Samsung Electronics Co. Ltd.
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KIM Hyunki
Digital Media R&D Center, SAMSUNG ELECTRONICS CO., LTD
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PARK Yunchang
Analytical Engineering Center, Samsung Advanced Institute of Technology
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Park Insik
Digital Media R&d Center Samsung Electronics Co. Ltd
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Yoon Duseop
Digital Media R&d Center Samsung Electronics Co. Ltd
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Hwang Inoh
Digital Media R&d Center Samsung Electronics Co. Ltd.
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Shin Dongho
Digital Media R&D Center, SAMSUNG ELECTRONICS CO., LTD, Suwon 442-742, Korea
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Yoon Duseop
Digital Media R&D Center, SAMSUNG ELECTRONICS CO., LTD, Suwon 442-742, Korea
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Hwang Inoh
Digital Media R&D Center, SAMSUNG ELECTRONICS CO., LTD, Suwon 442-742, Korea
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Tominaga Junji
Center for Applied Near Field Optics Research (CAN-FOR), National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki 305-8562, Japan
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Park Insik
Digital Media R&D Center, SAMSUNG ELECTRONICS CO., LTD, Suwon 442-742, Korea
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Park Yunchang
Analytical Engineering Center, Samsung Advanced Institute of Technology, Kihung, Yongin 449-712, Korea
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Kim Hyunki
Digital Media R&D Center, SAMSUNG ELECTRONICS CO., LTD, Suwon 442-742, Korea
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Kim Hyunki
Digital Media R&D Center, SAMSUNG ELECTRONICS CO., LTD, Paldal-Gu, Suwon, 442-742, Korea
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Kim Jooho
Digital Media R&D Center, SAMSUNG ELECTRONICS CO., LTD, Suwon 442-742, Korea
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