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Color hologram display and its fabrication process

  • US 7,710,622 B2
  • Filed: 11/23/2005
  • Issued: 05/04/2010
  • Est. Priority Date: 04/12/1999
  • Status: Expired due to Term
First Claim
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1. A process of fabricating a color hologram display, comprising recording a color three-dimensional subject image and a color pattern of plane characters or images as hologram images by exposing a subject hologram plate for forming the color three-dimensional subject image and a character hologram plate for reconstructing the color pattern of plane characters or images, where the two plates are separately made, said subject hologram plate and said character hologram plate are spatially positioned with a given space located there between, and diffracted lights from said subject hologram plate and said character hologram plate are simultaneously entered in a same photosensitive material to record interference patterns for the images and reconstructed pattern of said subject and character hologram plates, with exposing light, as hologram images.

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