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Proceedings Paper

Overview and the future of phase-change optical disk technology
Author(s): Takeo Ohta
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Paper 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.

Paper Details

Date Published: 28 June 1999
PDF: 3 pages
Proc. SPIE 3864, Joint International Symposium on Optical Memory and Optical Data Storage 1999, 38641O (28 June 1999); doi: 10.1117/12.997556
Show Author Affiliations
Takeo Ohta, Matsushita Electric Industrial Co., Ltd. (United States)


Published in SPIE Proceedings Vol. 3864:
Joint International Symposium on Optical Memory and Optical Data Storage 1999
Shigeo R. Kubota; Ryuichi Katayama; Douglas G. Stinson, Editor(s)

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