Development of rewritable dual-layer phase-change optical disks

FengHsu Wu; TsungEong Hsieh; Han-Ping D. Shieh

doi:10.1117/12.390513

6 July 2000 Development of rewritable dual-layer phase-change optical disks

FengHsu Wu, TsungEong Hsieh, Han-Ping D. Shieh

Proceedings Volume 4081, Optical Storage and Optical Information Processing; (2000) https://doi.org/10.1117/12.390513
Event: Photonics Taiwan, 2000, Taipei, Taiwan

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.

Citation Download Citation

FengHsu Wu, TsungEong Hsieh, and Han-Ping D. Shieh "Development of rewritable dual-layer phase-change optical disks", Proc. SPIE 4081, Optical Storage and Optical Information Processing, (6 July 2000); https://doi.org/10.1117/12.390513

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