Optimization Of Reversible Optical Data Storage Disks

David Strand; David Adler

doi:10.1117/12.936069

10 November 1983 Optimization Of Reversible Optical Data Storage Disks

David Strand, David Adler

Proceedings Volume 0420, Optical Storage Media; (1983) https://doi.org/10.1117/12.936069
Event: 1983 Optical Mass Data Storage Conferences, 1983, Arlington, United States

Abstract

High-bit-density optical data storage disks based on reversible crystalline-to-amorphous phase transitions are discussed. Some of the factors controlling the performance of such disks are the signal-to-noise ratio, error rate, and stability, each of which imposes stringent requirements on the active material, geometry, and write/erase/read mechanisms. We have developed a reversible optical data storage disk based on materials in which tellurium or other chalcogens play an important role. Such alloys are called chalcogenide materials, and are highly flexible and capable of independent optimization of the relevant materials parameters. In particular, composition, preparation techniques, chemical modification procedures, and coating methods can be tailored to achieve system optimization. Furthermore, disk geometry, fabrication, and crystallization and vitrification processes can be designed to improve the overall system performance

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David Strand and David Adler "Optimization Of Reversible Optical Data Storage Disks", Proc. SPIE 0420, Optical Storage Media, (10 November 1983); https://doi.org/10.1117/12.936069

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