Real ability of PTM proved with the near field

Shin Masuhara; Ariyoshi Nakaoki; Takashi Shimouma; Takeshi Yamasaki

doi:10.1117/12.685233

22 June 2006 Real ability of PTM proved with the near field

Shin Masuhara, Ariyoshi Nakaoki, Takashi Shimouma, Takeshi Yamasaki

Proceedings Volume 6282, Optical Data Storage 2006; 628214 (2006) https://doi.org/10.1117/12.685233
Event: Optical Data Storage 2006, 2006, Montréal, Canada

Abstract

This article will describe a series of experiments we conducted for the purpose of pursuing the resolution limit of the PTM process. Disc samples with different track pitches and different linear densities were prepared through the PTM process. The signal properties of these discs were analyzed with the assistance of a near field readout system. The jitter value was 5.6% at the linear density of 70nm/bit and 0.16μm track pitch, which corresponded to 80GB per 12cm diameter disc. Even at a recording density corresponding to a capacity of 100GB we observed jitter values less than 10%.

Citation Download Citation

Shin Masuhara, Ariyoshi Nakaoki, Takashi Shimouma, and Takeshi Yamasaki "Real ability of PTM proved with the near field", Proc. SPIE 6282, Optical Data Storage 2006, 628214 (22 June 2006); https://doi.org/10.1117/12.685233

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