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

1996-07-30

1999-05-18

Angebranndt, Martin

Chemistry: electrical and wave energy

Processes and products

Coating, forming or etching by sputtering

43027013, 430945, 20419226, 20419227, 428 646, 428 644, 428913, 428914, C23C14/31

Patent

active

059048190

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.

REFERENCES:
patent: 4540914 (1985-09-01), Maple
patent: 5298305 (1994-03-01), Shinozuka et al.
patent: 5395669 (1995-03-01), Kawahara et al.
patent: 5549953 (1996-08-01), Li
patent: 5577021 (1996-11-01), Nakatani et al.

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