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Proceedings Paper

100-Mbps high-speed phase-change recording with blue laser
Author(s): Michiaki Shinotsuka; Hiroyuki Iwasa; Ryuichi Furukawa; Nobuaki Onagi; Michiharu M. Abe; Yoshiyuki Kageyama
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Paper Abstract

We have studied a phase-change recording with a blue laser diode wavelength (405nm), an objective lens (NA 0.85) and Ag-In-Sb-Te system phase change material. We report land and groove recording on a 0.1mm thin cover disk structure, and 120mm-diameter polycarbonate substrate. Finally we confirmed the possibility of high data transfer-rate 100Mbps and high-density 20.9GB corresponding to those of a new optical recording system (DVR) (1) at the condition of recording velocity 17m/s, linear density of 0.130 micrometers /bit and 0.35 micrometers track-pitch.

Paper Details

Date Published: 10 January 2002
PDF: 8 pages
Proc. SPIE 4342, Optical Data Storage 2001, (10 January 2002); doi: 10.1117/12.453440
Show Author Affiliations
Michiaki Shinotsuka, Ricoh Co., Ltd. (Japan)
Hiroyuki Iwasa, Ricoh Co., Ltd. (Japan)
Ryuichi Furukawa, Ricoh Co., Ltd. (Japan)
Nobuaki Onagi, Ricoh Co., Ltd. (Japan)
Michiharu M. Abe, Ricoh Co., Ltd. (Japan)
Yoshiyuki Kageyama, Ricoh Co., Ltd. (Japan)


Published in SPIE Proceedings Vol. 4342:
Optical Data Storage 2001

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