Patents by Inventor Joerg MEINERTZ

Joerg MEINERTZ has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Ablative production device and method for a periodic line structure on a workpiece
    Patent number: 11059127
    Abstract: The invention relates to an ablative production device and method for a periodic line structure on a workpiece. The device comprises a pulsed laser for generating ablative light, a phase mask arranged in the beam path of the ablative light, imaging optics arranged on an optical axis and a holder to hold the workpiece in an image plane. The phase mask produces a plurality of equidistant parallel lines in an object plane by interference and suppresses an order of diffraction parallel to the optical axis. The optical axis is perpendicular to the object plane. The imaging optics comprises a cylindrical lens, which is aligned in parallel to the lines and is designed to image the object plane into the image plane.
    Type: Grant
    Filed: August 25, 2016
    Date of Patent: July 13, 2021
    Assignee: INSTITUT FÜR NANOPHOTONIK GÖTTINGEN E.V.
    Inventors: Juergen Ihlemann, Joerg Meinertz, Lars Henning Stark
  • ABLATIVE PRODUCTION DEVICE AND METHOD FOR A PERIODIC LINE STRUCTURE ON A WORKPIECE
    Publication number: 20180236596
    Abstract: The invention relates to an ablative production device and method for a periodic line structure on a workpiece. The device comprises a pulsed laser for generating ablative light, a phase mask arranged in the beam path of the ablative light, imaging optics arranged on an optical axis and a holder to hold the workpiece in an image plane. The phase mask produces a plurality of equidistant parallel lines in an object plane by interference and suppresses an order of diffraction parallel to the optical axis. The optical axis is perpendicular to the object plane. The imaging optics comprises a cylindrical lens, which is aligned in parallel to the lines and is designed to image the object plane into the image plane.
    Type: Application
    Filed: August 25, 2016
    Publication date: August 23, 2018
    Applicant: LASER-LABORATORIUM GOETTINGEN E.V.
    Inventors: Juergen IHLEMANN, Joerg MEINERTZ, Lars Henning STARK