Marking of fabrics and other materials using a laser

  • US 6,140,602 A
  • Filed: 04/29/1997
  • Issued: 10/31/2000
  • Est. Priority Date: 04/29/1997
  • Status: Expired due to Term
First Claim
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1. A method of using a laser for forming a design on a product selected from the group consisting of fabrics and leathers, comprising:

  • determining, for a specific material of the product, a maximum speed of said specific material relative to the laser, for a given laser power, that will result in a perceivable change for a given laser power, that will result in a perceivable change being formed to said product, and a threshold speed below which at least one of carbonization, undesired burn through or undesired melting of the material of the product will occur; and

    contacting a surface of said product with the laser beam to form a design on said surface which changes the surface of the material, and controlling the speed of said laser beam relative to said surface to a range between said maximum speed and said threshold speed.

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