Patents by Inventor Michael Joseph Litzenberger

Michael Joseph Litzenberger 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).

  • Compound interferometer with monolithic measurement cavity
    Patent number: 8379219
    Abstract: A compound common-path interferometer including first and second measurement arms for measuring a test object is arranged so that a reference optic of the first measurement arm is disconnected from a remainder of the first measurement arm and a coupling between the reference optics of the first and second measurement arms forms a monolithic measurement cavity for maintaining reference surfaces of the reference optics at a fixed spacing and orientation. Separate supports are provided for the monolithic measurement cavity and the remainder of the first measurement arm.
    Type: Grant
    Filed: May 27, 2011
    Date of Patent: February 19, 2013
    Assignee: Corning Incorporated
    Inventors: John Weston Frankovich, Christopher Alan Lee, Michael Joseph Litzenberger
  • COMPOUND INTERFEROMETER WITH MONOLITHIC MEASUREMENT CAVITY
    Publication number: 20120300213
    Abstract: A compound common-path interferometer including first and second measurement arms for measuring a test object is arranged so that a reference optic of the first measurement arm is disconnected from a remainder of the first measurement arm and a coupling between the reference optics of the first and second measurement arms forms a monolithic measurement cavity for maintaining reference surfaces of the reference optics at a fixed spacing and orientation. Separate supports are provided for the monolithic measurement cavity and the remainder of the first measurement arm.
    Type: Application
    Filed: May 27, 2011
    Publication date: November 29, 2012
    Inventors: John Weston Frankovich, Christopher Alan Lee, Michael Joseph Litzenberger