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Conferences > ODS > 2003 > MB > MB3

23.5 GB disk at 635 nm red laser system using super-RENS technology

Jooho Kim, Inoh Hwang, Duseop Yoon, Insik Park, Dongho Shin, Takashi Kikukawa, Takayuki Shima, and Junji Tominaga

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Abstract

A disk of five-times-linear-density as large as a digital versatile disk (DVD) was attempted with a super resolution near field structure (super-RENS) technology at a 635 nm red laser system. We obtained the carrier-to-noise ratio (CNR) of over 47 dB (43 dB) at 100 nm (80 nm)-mark trains, respectively, by using a platinum-oxide (PtOx) mas k layer. The recording mechanism of the super-RENS disk was approved as a rigi d elliptical bubble formation at the PtOx layer through the TEM cross-section image observation. These results re p resent the potentials for a variety of noble storage-system-applications and a sub-terabyte optical storage.

© 2003 Optical Society of America

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