High Performance Erasable Optical Disc

Philip M. Heyman

doi:10.1117/12.936063

10 November 1983 High Performance Erasable Optical Disc

Philip M. Heyman

Proceedings Volume 0420, Optical Storage Media; (1983) https://doi.org/10.1117/12.936063
Event: 1983 Optical Mass Data Storage Conferences, 1983, Arlington, United States

Abstract

Several materials including Te, Te:Bi, and Sb₂Se₃ have been studied for use as a write/read/erase absorbing layer in a capped bilayer or trilayer structure, using Al₂0₃ as the phase and capping layers. Discs have been obtained that yield a fully erasable 49dB SNR measured in a 4.2MHz bandwidth and can be recycled at least 500 times. For the materials reported the data retention time is on the order of 4 to 6 hours.

Citation Download Citation

Philip M. Heyman "High Performance Erasable Optical Disc", Proc. SPIE 0420, Optical Storage Media, (10 November 1983); https://doi.org/10.1117/12.936063

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