Patents by Inventor Wiebke Langgemach

Wiebke Langgemach 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).

  • METHOD FOR INCREASING THE STRENGTH OF A GLASS SUBSTRATE
    Publication number: 20220135475
    Abstract: Methods for increasing the strength of a planar or strip-shaped glass substrate are provided. Electromagnetic radiation in the wavelength range from 180 nm to 1100 nm is applied to the glass substrate by means of at least one pulse, wherein the at least one pulse has a radiation bandwidth of at least 100 nm and the glass substrate has a temperature of at most 200° C. prior to the at least one pulse acting thereon, and wherein the pulse energy density of the at least one pulse of electromagnetic radiation is set in the range from 0.1 Jcm-2 to 100 Jcm-2.
    Type: Application
    Filed: February 13, 2020
    Publication date: May 5, 2022
    Applicant: FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
    Inventors: Manuela A. JUNGHÄHNEL, Jasper WESTPHALEN, Thomas PREUSSNER, Wiebke Langgemach