Optical information storage

Details Optical information storage Optical information storage

G - Physics

11

B

352/32.4

G11B 7/24 (2006.01) G11B 7/243 (2006.01) G11C 13/04 (2006.01)

Patent

CA 1193007

- 15 - OPTICAL INFORMATION STORAGE Abstract An optical storage medium, having the advantages of low information writing energy and high resolution comprises a body having, on a microscopic scale, a textured surface comprising a multiplicity of tiny projections columns, or the like. The surface is highly absorptive of incident radiation. Writing of information is achieved by altering the optical characteristics of the surface as by melting and collapsing the textured structure at selected areas of the surface.

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