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Optical card

  • US 5,763,868 A
  • Filed: 07/25/1995
  • Issued: 06/09/1998
  • Est. Priority Date: 07/25/1994
  • Status: Expired due to Fees
First Claim
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1. 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 the optical recording material layer is in contact with the adhesive layer wherein,at least one side in the longitudinal direction of each of the optical recording member and the recess of the card substrate is in a wave form.

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