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Proceedings Paper

Stability enhancement of super-RENS high temperature readout signal
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Paper Abstract

We report the readout stability improvement results of super-resolution near field structure (Super-RENS) write-once read-many (WORM) disk at a blue laser optical system. (Laser wavelength 405nm, numerical aperture 0.85) By using diffusion barrier structure (GeSbTe sandwiched by GeN) and high transition temperature recording material (BaTiO3), material diffusion of phase change layer and recording mark degradation were greatly improved during high power (Pr=2.0mW) readout process up to 1X105 times.

Paper Details

Date Published: 11 July 2007
PDF: 6 pages
Proc. SPIE 6620, Optical Data Storage 2007, 662013 (11 July 2007); doi: 10.1117/12.738934
Show Author Affiliations
Jooho Kim, Samsung Electronics Co., Ltd. (South Korea)
Jaecheol Bae, Samsung Electronics Co., Ltd. (South Korea)
Inoh Hwang, Samsung Electronics Co., Ltd. (South Korea)
Yongwoon Lee, Samsung Electronics Co., Ltd. (South Korea)
Nakhyun Kim, Samsung Electronics Co., Ltd. (South Korea)
Chongsam Chung, Samsung Electronics Co., Ltd. (South Korea)
Insik Park, Samsung Electronics Co., Ltd. (South Korea)
Takayuki Shima, National Institute of Advanced Industrial Science and Technology (Japan)
Takashi Nakano, National Institute of Advanced Industrial Science and Technology (Japan)
Junji Tominaga, National Institute of Advanced Industrial Science and Technology (Japan)


Published in SPIE Proceedings Vol. 6620:
Optical Data Storage 2007

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