Optical recording medium

Details Optical recording medium Optical recording medium

2005-07-15

2009-02-03

Mulvaney, Elizabeth (Department: 1794)

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

C428S064500, C428S064600, C430S270130

Reexamination Certificate

active

07485356

ABSTRACT:
An optical recording medium includes an information layer having a recording film. The recording film contains Sb of 79 atomic % to 95 atomic % and Ge of 5 atomic % to 21 atomic % as main components, and is formed of a phase change material which does not contain the elements in the sixteenth group of the periodic table.

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Takashi Kikukawa, et al., “Data Reliability Deterioration of Phase-Change Discs Caused by Lowering of Crystallization Speed of Amorphous Marks through a High Environmental Temperature Storage”, Jpn. J. Appl. Phys., vol. 41, part 1, No. 5A, May 2002, pp. 3020-3024.
Noboru Yamada, et al., “Phase Change Material for Use in Rewritable Dual-Layer Optical Disk Utilizing a Blue-violet Laser”, Optical Data Storage Topical Meeting 2001, Apr. 2001, pp. 22-24.

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