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Proceedings Paper

Development of rewritable dual-layer phase-change optical disks
Author(s): FengHsu Wu; TsungEong Hsieh; Han-Ping D. Shieh
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Paper Abstract

Dual-layer optical disks comprised of two data layers were developed to study readout/write/erase characteristics. This disk was composed of recording layer 1 and 2, of high transmittance and high reflectivity, respectively. Layer 1 and 2 of 15 and 20 nm increase transmittance and reduce writing power for recording. Only 1.5 mW laser power was sufficient for readout, 9 and 16 mW was required for recording on recording layer 1 and 2, respectively. This dual-layer disk can double data capacity on a disk substrate.

Paper Details

Date Published: 6 July 2000
PDF: 6 pages
Proc. SPIE 4081, Optical Storage and Optical Information Processing, (6 July 2000); doi: 10.1117/12.390513
Show Author Affiliations
FengHsu Wu, National Chiao Tung Univ. (Taiwan)
TsungEong Hsieh, National Chiao Tung Univ. (Taiwan)
Han-Ping D. Shieh, National Chiao Tung Univ. (Taiwan)


Published in SPIE Proceedings Vol. 4081:
Optical Storage and Optical Information Processing
Han-Ping D. Shieh; Tomas D. Milster, Editor(s)

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