Patents by Inventor Polly Chu

Polly Chu 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).

  • Thermal reflow of glass and fused silica body
    Publication number: 20070059533
    Abstract: Disclosed are synthetic silica glass body with a birefringence pattern having low fast axis direction randomness factor and glass reflow process. The glass reflow process comprises steps of: providing a glass tube having a notch; and thermally reflowing the glass tube to form a glass plate. The process can be advantageously used to produce fused silica glass plate without observable striae when viewed in the direction of optical axis. Also disclosed are optical members comprising the fused silica glass body and a process for reflowing glass cylinders.
    Type: Application
    Filed: August 3, 2006
    Publication date: March 15, 2007
    Inventors: Steven Burdette, Polly Chu, James Fagan, Thomas Hobbs, Sumalee Likitvanichkul, Daniel Sempolinski, Terry Taft, Michael Walters