Process for manufacturing a recordable optical disk, optical...

Details Process for manufacturing a recordable optical disk, optical... Process for manufacturing a recordable optical disk, optical...

2007-10-30

2007-10-30

Hess, Bruce H. (Department: 1774)

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

C430S270110

Reexamination Certificate

active

11129788

ABSTRACT:
A process for manufacturing a recordable optical disk including forming a back rewritable layer and depositing a transparent intercalary layer on the back rewritable layer, and forming a front rewritable layer including a metallic alloy and a cermet dielectric such that the front rewritable layer has a transmission rate greater than or equal to about 45%, and a recordable optical disk including a substrate and an active layer including a cermet, wherein the active layer covers at least one back rewritable layer and the active cermet layer has a transmission rate greater than or equal to about 45%.

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Atsushi Shibukawa, “In-SiO2 Cermet Films for Optical Recording”, Nov. 15, 1981, Applied optics, vol. 20, No. 22, pp. 3884-3888.
S. Lieberman, “Optical Behavior of RF Sputtering Au-TiO2 Thin Cermet Films, Influence of the Gold Particle Size Concentration”, Jun. 6, 2000, Eur. Phys. J. Ap 11, 91-95.

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