Data carrier and method for the production thereof

Data carrier and method for the production thereof

  • CN 101,184,632 A
  • Filed: 05/22/2006
  • Published: 05/21/2008
  • Est. Priority Date: 06/01/2005
  • Status: Active Grant
First Claim
Patent Images

1. the production method of a data medium, this data medium contains the vision visual identification of pattern, letter, numeral or image format, produces the step of this data medium:

  • A) select predetermined laser emission spectrum;

    B) the laser radiation absorbance layer is applied on the matrix of data medium;

    C) will impress on absorbed layer to the radioparent one deck of laser emission part;

    D) in the imprinting process of part transmittance layer or mold pressing matrix afterwards;

    E) laser emission that selected laser emission spectrum is produced is clashed into coating, produces the vision visual identification at least on absorbed layer.

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