Methods to characterize the recording layer of phase-change media initialized by induction heating

Woon-Seong Yeo; Hyung-Kyu Kim; Chang-Jong Kim

doi:10.1117/12.371147

30 November 1999 Methods to characterize the recording layer of phase-change media initialized by induction heating

Woon-Seong Yeo, Hyung-Kyu Kim, Chang-Jong Kim

Proceedings Volume 3806, Recent Advances in Metrology, Characterization, and Standards for Optical Digital Data Disks; (1999) https://doi.org/10.1117/12.371147
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

Abstract

The method to measure the apparent reflectivity with gloss meter is applied to the phase-change optical disks before and after initialization process. The apparent reflectivity measurements for relative large area and the reflectivity measured by optical pick-up are compared. The apparent reflectivity measurements are proven to enough for the characterization of recording layer. The measurement with gloss meter has several advantages of speed, simple structure, low price and etc.

Citation Download Citation

Woon-Seong Yeo, Hyung-Kyu Kim, and Chang-Jong Kim "Methods to characterize the recording layer of phase-change media initialized by induction heating", Proc. SPIE 3806, Recent Advances in Metrology, Characterization, and Standards for Optical Digital Data Disks, (30 November 1999); https://doi.org/10.1117/12.371147

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