Laser marking warpage mitigation
    1.
    发明授权

    公开(公告)号:US11731445B2

    公开(公告)日:2023-08-22

    申请号:US16784893

    申请日:2020-02-07

    Inventor: Denny Warwick

    CPC classification number: B41M5/267 B42D25/435

    Abstract: Techniques are described herein that mitigate warpage during laser marking on a plastic security document. A method of laser marking a feature onto a plastic card includes electronically dividing an image of the feature into a plurality of sections. The method includes laser marking a first one of the sections on the document and laser marking a second one of the sections on the document. The first section is not contiguous with the second section.

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