Electric heating – Metal heating – By arc
Patent
1996-10-11
1999-11-23
Evans, Geoffrey S.
Electric heating
Metal heating
By arc
21912161, B23K 2600
Patent
active
059904445
ABSTRACT:
A laser method scribes graphics on materials. The method relates to the identification and understanding of a new energy measurement called energy density per unit time, and the identification and simultaneous control of the laser operating parameters which influence this energy measurement. Once a range of energy density per unit time is determined for scribing a desired graphic on a given material, the energy density per unit time can be controlled to stay within that range to achieve desired results in a repeatable fashion. In a preferred embodiment, the material is one of a group of fabric, leather and vinyl materials. In this embodiment, the energy density per unit time can be controlled to substantially avoid complete carbonization, melting and/or burnthrough of the material.
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Translation of USSR Inventor's Certificate No. 1,559,794, No Publication Date of Translation.
Excel Control Laser, "Industrial Strength Laser Marking", 1992.
Evans Geoffrey S.
Harris Esq. Scott C.
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