Erasable Optical Disks for Data Storage: Principles and Applications

M. Mansurlpur; M. F. Ruane; M. N. Horensteln

doi:10.1021/i300017a015

Erasable Optical Disks for Data Storage: Principles and Applications

M. Mansurlpur, M. F. Ruane, M. N. Horensteln

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Abstract

Erasable optical disk storage systems offering densities in excess of 10⁸ bits/cm² using thermomagnetic recording and magnetooptic readout are described and compared to conventional magnetic disks. The preparation and properties of amorphous rare earth-transition metal alloy thin films, which serve as the recording media, are also presented. The lack of a strong readout signal suggests the need for the enhancement of the signal-to-noise ratio (SNR). A multilayering scheme with improved SNR and superior thermal characteristics is discussed. Potential research and development issues are also indicated.

Original language	English (US)
Pages (from-to)	80-84
Number of pages	5
Journal	Industrial and Engineering Chemistry Product Research and Development
Volume	24
Issue number	1
DOIs	https://doi.org/10.1021/i300017a015
State	Published - Jan 1 1985

ASJC Scopus subject areas

Chemistry(all)
Chemical Engineering(all)
Engineering(all)
Industrial and Manufacturing Engineering

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AU - Horensteln, M. N.

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N2 - Erasable optical disk storage systems offering densities in excess of 108 bits/cm2 using thermomagnetic recording and magnetooptic readout are described and compared to conventional magnetic disks. The preparation and properties of amorphous rare earth-transition metal alloy thin films, which serve as the recording media, are also presented. The lack of a strong readout signal suggests the need for the enhancement of the signal-to-noise ratio (SNR). A multilayering scheme with improved SNR and superior thermal characteristics is discussed. Potential research and development issues are also indicated.

AB - Erasable optical disk storage systems offering densities in excess of 108 bits/cm2 using thermomagnetic recording and magnetooptic readout are described and compared to conventional magnetic disks. The preparation and properties of amorphous rare earth-transition metal alloy thin films, which serve as the recording media, are also presented. The lack of a strong readout signal suggests the need for the enhancement of the signal-to-noise ratio (SNR). A multilayering scheme with improved SNR and superior thermal characteristics is discussed. Potential research and development issues are also indicated.

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Erasable Optical Disks for Data Storage: Principles and Applications

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