Patents by Inventor PHOTRONICS, INC.

PHOTRONICS, INC. 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).

  • GRAYSCALE LITHOGRAPHY OF PHOTO DEFINABLE GLASS
    Publication number: 20140272688
    Abstract: A method for forming a three-dimensional microstructure includes providing a photosensitive glass substrate; exposing the photosensitive glass substrate to energy through a continuous tone, variable transmission photomask so as to form opaque portions in the photosensitive glass substrate, each of the opaque portions having one of a variety of depths extending through the entire thickness of the photosensitive glass substrate; and removing the opaque portions so as to form three-dimensional features in the photosensitive glass substrate.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 18, 2014
    Applicant: PHOTRONICS, INC.
    Inventor: PHOTRONICS, INC.