Phase change type optical disk

Details Phase change type optical disk Phase change type optical disk

1996-10-11

1998-02-17

Evans, Elizabeth

Stock material or miscellaneous articles

Circular sheet or circular blank

428 642, 428 644, 428 645, 428 646, 428457, 428913, 43027012, 43027013, 4304951, 430945, 369283, 369288, B32B 300

Patent

active

057189617

ABSTRACT:
An optical recording medium is provided in which a first dielectric film, a second dielectric film, a recording film, a reflective film are sequentially stacked on a substrate, said first dielectric film and second dielectric film are formed of ZnO-BN. The optical disk has high recording sensitivity and high thermal stability.

REFERENCES:
patent: 4847132 (1989-07-01), Takao et al.
patent: 5233599 (1993-08-01), Ohno et al.
S. Ohkubo et al., "Improvement in Jitter Characteristics in Mark Edge Recording for Phase Change Media," Jpn. J. Appl. Phys., vol. 32 (1993), Part 1, No. 11B, Nov. 1993, pp. 5230-5233.
WPI Abstract Accession No. 93-260748/33 & JP 050174436 A (Sanyo) Jul. 13, 1993.
WPI Abstract Accession No. 87-332350/47 & JP 620239443 A (Seiko Epson) & Patent Abstracts of Japan, vol. 12, No. 107 (P-686), p. 164.

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