Overview and the future of phase-change optical disk technology

Takeo Ohta

doi:10.1117/12.997556

28 June 1999 Overview and the future of phase-change optical disk technology

Takeo Ohta

Proceedings Volume 3864, Joint International Symposium on Optical Memory and Optical Data Storage 1999; 38641O (1999) https://doi.org/10.1117/12.997556
Event: Optical Data Storage, 1999, Kauai, HI, United States

Abstract

Information data storage now takes two main forms: magnetic memory and optical memory. Up to now, the leading type has been magnetic memory such as hard disk drives and floppy disks. The recording density of magnetic media has increased by 60% per year and by a factor of 100 in the past decade. Initially, when laser optical memory arrived on the scene, it was expected to rapidly replace magnetic memory. Paradoxically, though, the new challenger appears to have spurred the growth of the recording density of magnetic media.

Citation Download Citation

Takeo Ohta "Overview and the future of phase-change optical disk technology", Proc. SPIE 3864, Joint International Symposium on Optical Memory and Optical Data Storage 1999, 38641O (28 June 1999); https://doi.org/10.1117/12.997556

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