Optical recording medium

Details Optical recording medium Optical recording medium

1986-01-17

1989-01-31

Thibodeau, Paul J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

365122, 369 13, 369288, 428694, 428900, G11B 724

Patent

active

048014990

ABSTRACT:
A magneto-optic recording medium including a transparent substrate and a non-oxide dielectric layer formed thereon is provided. The dielectric layer includes a first dielectric material of the type which exhibits cracks running in a generally radial direction when deposited on a surface and which is designated dielectric Group A and a second dielectric material which exhibits cracks running in a generally tangential direction when deposited on a surface and which is designated dielectric Group B. The dielectric layer may be separate layers or a mixture of the two dielectric materials.

REFERENCES:
patent: 4525028 (1985-06-01), Dorschner
patent: 4569881 (1986-02-01), Freese et al.
patent: 4579777 (1986-04-01), Honguu et al.
patent: 4610912 (1986-09-01), Takahashi et al.
patent: 4658388 (1987-04-01), Ishiwatari et al.
Mansuripur et al., "Optimum Disk Structues and Energetics of Domain Formation in Magneto-Optical Recording" IEEE Trans. on Magnetics, Mag-18, No. 6, Nov. 1982, p. 1241.
Stoffel, "Thin-Film Magneto-Optic Read-Write Memory Element" IBM TDB, vol. 12, No. 1, Jun. 1969, p. 209.
"Optical Disks Systems Emerge" Bartolini et al., IEEE Spectrum, Aug. 1978, p. 20.
Cuomo et al., "Antireflection Coatings for the Enhancement of Magneto-Optic Effects in Amorphous Rare-Earth-Transition Metal Alloys", IBM TDB, vol. 16, No. 5, Oct. 1973, p. 1442.

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