Optical disk

Details Optical disk Optical disk

1979-07-02

1985-01-29

Hartary, Joseph W.

Recorders

Record receivers and/or driving means therefor

Laminated, impregnated, or coated bases

346 76L, 430945, G01D 1534

Patent

active

044969570

ABSTRACT:
An optical recording member is prepared by coating a thin layer of a colloidal dispersion, of minute particles of certain transition metals or their oxides in a polymeric binder, onto a substrate. The optical recording member may be made to achieve anti-reflecting conditions at the marking wavelength by making the substrate reflective and by using proper thickness for the dispersion layer.

REFERENCES:
patent: 3314073 (1967-04-01), Becker
patent: 3526542 (1970-09-01), Wiese
patent: 3696344 (1972-10-01), Feinleib
patent: 4032691 (1977-06-01), Kido
patent: 4069487 (1978-01-01), Kasai
patent: 4097895 (1978-06-01), Spong
patent: 4101907 (1978-07-01), Bell

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