Patents by Inventor Erik LOHSE

Erik LOHSE 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).

  • APPARATUS AND METHOD FOR DETECTING THE SURFACE DEFECT OF THE GLASS SUBSTRATE
    Publication number: 20130044209
    Abstract: The apparatus for detecting surface defects of a glass substrate, having a dark field optical system, includes: a first photographing device for photographing first image; a second photographing for photographing second image; a dark field illumination system disposed below the glass substrate for serving as a dark field illumination; and a detection signal processor operating coordinates of a defect position on the first image and the second image, wherein the first photographing device and the second photographing device form photographing areas in the shape of lines which are not parallel to at least the transferring direction of the glass substrate, form photographing areas for a top surface of the glass substrate to be overlapped by each other and form photographing areas for a bottom surface of the glass substrate differently from each other.
    Type: Application
    Filed: October 3, 2011
    Publication date: February 21, 2013
    Applicant: SAMSUNG CORNING PRECISION MATERIALS CO., LTD.
    Inventors: Gyuhong HWANG, Taeho KEEM, Jihwa JUNG, Jaehoon KWON, Mark KEMMANN, Marko VOITEL, Erik LOHSE, Andreas BOCK