Laser marking

Details Laser marking Laser marking

2006-02-28

2006-02-28

Heinrich, Samuel M. (Department: 1725)

Electric heating

Metal heating

By arc

C219S121760

Reexamination Certificate

active

07005603

ABSTRACT:
A method for marking a polymeric surface includes directing a first laser beam on the surface to form a lightened area on the surface and directing a second laser beam upon the lightened area to form a mark darker than the lightened area.

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