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Proceedings Paper

The extreme of optical recording (Conference Presentation)
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Paper Abstract

Conventional optical data storage such as digital versatile disc (DVD) and Blu-ray disc (BD), provide us inexpensive and compact media for satisfying information storage requirement for decades. As the knowledge and information increase rapidly, the requirement cannot be already satisfied by current data storage systems. As far as we know, the size of recording mark, the critical storage density indicator, depends on recording energy, writing strategies, opto-thermal threshold plane and thermal conductivity. Readout is limited by optical resolution limit, the wavelength of readout laser and numerical aperture (N.A.) of objective lens. In this talk, I will introduce several means to increase the optical storage density. A powerful tool, conductive-tip atomic force microscopy (C-AFM), with the advantages of high spatial resolution, high contrast of conductivity and non-destructive method to help us better understand the formation of recording marks is also presented. Finally, I will show our recent efforts on realizing the extreme of recording mark.

Paper Details

Date Published: 2 November 2016
PDF: 1 pages
Proc. SPIE 9959, Optical Data Storage 2016, 995906 (2 November 2016); doi: 10.1117/12.2238942
Show Author Affiliations
Cheng Hung Chu, National Taiwan Univ. (Taiwan)
Research Ctr. for Applied Sciences - Academia Sinica (Taiwan)
Ming Lun Tseng, National Taiwan Univ. (Taiwan)
Hsiang-Chu Wang, National Taiwan Univ. (Taiwan)
Hui Jun Wu, National Taiwan Univ. (Taiwan)
Wei-Yi Tsai, National Taiwan Univ. (Taiwan)
Mu-Ku Chen, National Taiwan Univ. (Taiwan)
Yi-Hao Chen, National Taiwan Univ. (Taiwan)
Ching-Fu Chen, National Taiwan Univ. (Taiwan)
Din Ping Tsai, Research Ctr. for Applied Sciences - Academia Sinica (Taiwan)
National Taiwan Univ. (Taiwan)


Published in SPIE Proceedings Vol. 9959:
Optical Data Storage 2016
Ryuichi Katayama; Thomas D. Milster, Editor(s)

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