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Phase-Change Media for High-Density Optical Recording

Published online by Cambridge University Press:  21 March 2011

Herman Borg,
Martijn Lankhorst,
Erwin Meinders and
Wouter Leibbrandt
Herman Borg
Affiliation:
Philips Research Laboratories, Prof. Holstlaan 4, 5656 AA Eindhoven, The Netherlands
Martijn Lankhorst
Affiliation:
Philips Research Laboratories, Prof. Holstlaan 4, 5656 AA Eindhoven, The Netherlands
Erwin Meinders
Affiliation:
Philips Research Laboratories, Prof. Holstlaan 4, 5656 AA Eindhoven, The Netherlands
Wouter Leibbrandt
Affiliation:
Philips Research Laboratories, Prof. Holstlaan 4, 5656 AA Eindhoven, The Netherlands
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Abstract

Rewritable optical-storage systems are quickly gaining market share in audio, video and data- storage applications. The development of new rewritable optical-storage formats with higher capacity and data rate critically depends on innovations made to the recording media incorporating so-called phase-change materials. These materials allow reversible switching between a low and high reflective state induced by laser heating. In this paper, we highlight phase-change media aspects as optical and thermal design, sputter-deposition, materials optimization, and the development of new recording strategies. Focus is on the speed race in optical recording.

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References

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