Signal Characteristics of Super-Resolution Near-Field Structure Disks with 100 GB Capacity
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概要
- 論文の詳細を見る
We report the basic characteristics of super resolution near-field structure (Super-RENS) media at a blue laser optical system (laser wavelength 405 nm, numerical aperture 0.85). Using a novel write once read many (WORM) structure for a blue laser system, we obtained a carrier-to-noise ratio (CNR) above 33 dB from the signal of the 37.5 nm mark length, which is equivalent to a 100 GB capacity with a 0.32 micrometer track pitch, and an eye pattern for 50 GB (2T: 75 nm) capacity using a patterned signal. Using a novel super-resolution material (tellurium, Te) with low super-resolution readout power, we also improved the read stability.
- 2005-05-15
著者
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Tominaga Junji
Center For Applied Near-field Optics Research (can-for) Aist
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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 Insik
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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Tominaga Junji
Center for Applied Near-Field Optics Research, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba 305-8563, Japan
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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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Kim Hyunki
Digital Media R&D Center, SAMSUNG ELECTRONICS CO., LTD, Paldal-Gu, Suwon, 442-742, Korea
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