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Colored digital versatile disks

  • US 6,475,588 B1
  • Filed: 08/07/2001
  • Issued: 11/05/2002
  • Est. Priority Date: 08/07/2001
  • Status: Expired due to Fees
First Claim
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1. An optical disk, comprising:

  • a first fully reflective data layer, a first separating layer disposed on a top side of the first fully reflective data layer, a first semi-reflective data layer disposed on a side of the separating layer opposite the first fully reflective data layer, a first resin layer disposed on an upper side the first semi-reflective data layer opposite the separating layer, and a second resin layer disposed on a bottom side of said first fully reflective data layer;

    wherein the first resin layer has light transmission at a desired reading wavelength of greater than 60%;

    wherein a reflectivity of the first fully reflective data layer and the first semi-reflective data layer is individually about 18 to about 30%;

    wherein a difference in the reflectivity between the first fully reflective data layer and the first semi-reflective data layer is less than about 5%; and

    wherein at least a portion of the optical disk is colored.

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