Optical disk and method of manufacturing optical disk

Details Optical disk and method of manufacturing optical disk Optical disk and method of manufacturing optical disk

1998-06-01

1999-11-02

Evans, Elizabeth

Stock material or miscellaneous articles

Circular sheet or circular blank

428 644, 428 645, 428 646, 428913, 43027013, 430945, 369283, 369288, B32B 300

Patent

active

059766590

ABSTRACT:
An optical disk can provide a sufficiently wide power margin for a recording power even when the optical disk has a high-recording density. The optical disk has a transparent substrate on which a recording layer in which information can be rewritten by at least irradiation of laser beam, a dielectric layer and a thermal conduction control layer are sequentially deposited. The thermal conduction control layer comprises a first low thermal conductivity layer, a first high thermal conductivity layer, a second low thermal conductivity layer and a second high thermal conductivity layer sequentially deposited thereon.

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patent: 5577021 (1996-11-01), Nakatani et al.
patent: 5718961 (1998-02-01), Hong
patent: 5798993 (1998-08-01), Ohkubo
patent: 5889756 (1999-03-01), Ichihara

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