Carte optique

Optische Karte

Optical card

Abstract

An optical card comprising: a card substrate having a recess; and an optical recording member comprising, in the following order, a surface hard layer, a transparent protective layer, a pattern layer, and an optical recording material layer, the optical recording member being embedded in the recess through an adhesive layer so that said optical recording material layer is in contact with the adhesive layer, the end face of said optical recording member and the side face of the recess of said card substrate respectively having particular tapers facing each other, the optical recording member being embedded in the recess of the card substrate so that the end face of the optical recording member is not exposed from the card substrate.

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Patent Citations (1)

    Publication numberPublication dateAssigneeTitle
    JP-H0222299-UFebruary 14, 1990

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