Method for erasing image on thermoreversible recording medium

Method for erasing image on thermoreversible recording medium

  • CN 101,676,121 A
  • Filed: 09/17/2009
  • Published: 03/24/2010
  • Est. Priority Date: 09/17/2008
  • Status: Active Application
First Claim
Patent Images

1. method of wiping image comprises:

  • With wavelength is 700nm to 1, and the laser of 500nm is radiated at the image that forms on the thermoreversible recording medium so that wipe described image,The energy density of wherein said laser is in can wiping the energy density scope of described image and be the central value of described energy density scope or following,Wherein said thermoreversible recording medium comprises;


    WithThermoreversible recording layer on described carrier;

    AndWherein said thermoreversible recording layer contains as the leuco dye of giving electronics quality compound and is used as the reversible developer that is subjected to electron compound, wherein tone reversible variation by heat, and described thermoreversible recording layer and at least one layer that closes in the layer of this thermoreversible recording layer contain optical-thermal conversion material, and it absorbs light and described light is converted into heat.

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