Patents by Inventor James M. Cahill, Jr.

James M. Cahill, Jr. 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).

  • Patent number: 6919958
    Abstract: This invention is an apparatus for imaging metrology, which in particular embodiments may be integrated with a processor station such that a metrology station is apart from but coupled to a process station. The metrology station is provided with a first imaging camera with a first field of view containing the measurement region. Alternate embodiments include a second imaging camera with a second field of view. Preferred embodiments comprise a broadband ultraviolet light source, although other embodiments may have a visible or near infrared light source of broad or narrow optical bandwidth. Embodiments including a broad bandwidth source typically include a spectrograph, or an imaging spectrograph. Particular embodiments may include curved, reflective optics or a measurement region wetted by a liquid. In a typical embodiment, the metrology station and the measurement region are configured to have 4 degrees of freedom of movement relative to each other.
    Type: Grant
    Filed: March 26, 2003
    Date of Patent: July 19, 2005
    Assignee: Therma-Wave, Inc.
    Inventors: Fred E. Stanke, Clinton B. Carlisle, Hung Van Pham, Edric Tong, Douglas E. Ruth, James M. Cahill, Jr., Michael Weber-Grabau, Elliot Burke, Adam E. Norton