Patents by Inventor Kathryn L Goetschius

Kathryn L Goetschius 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).

  • Low CTE photomachinable glass
    Patent number: 7829489
    Abstract: The present invention describes a composition, method and article for a photomachinable glass having a coefficient of thermal expansion from less than 6×10?6/° C. in the temperature range of 0° C. to 300° C. The photomachinable glass composition is a low expansion glass having an amorphous glass phase and crystalline phases selected from the group consisting of spudomene and lithium disilicate.
    Type: Grant
    Filed: August 31, 2007
    Date of Patent: November 9, 2010
    Assignee: Corning Incorporated
    Inventors: Nicholas Francis Borrelli, Kathryn L Goetschius, David Lathrop Morse, Charlene Marie Smith
  • Photomachinable glass compositions having tunable photosensitivity
    Patent number: 7799711
    Abstract: The invention is directed to photomachinable glass compositions having a controllable or tunable photosensitivity, and to a method for making such compositions. The compositions of the invention contain titania (TiO2) in an amount in the range of greater than 0.01 wt. % to 2 wt. % added to any known photomachinable glass composition. In one embodiment the TiO2 in an amount in the range of greater than 0.01 wt. % to 1 wt. %. An example of a photomachinable glass of the invention is one having a composition having, in weight percent (wt. %) of 65-80% SiO2, 15-20% Li2O, 1-4% Na2O, 1-4% K2O, 2-10% Al2O3, 0-3% ZnO, 0-0.15% Sb2O3, 0-0.015% CeO2, 0-0.001% Au, 0-0.015% Ag and >0.01% to 2% TiO2, and the sum of Au+Ag is greater than zero. In particular embodiment the TiO2 is in the range of >0.01% to 1%.
    Type: Grant
    Filed: August 31, 2007
    Date of Patent: September 21, 2010
    Assignee: Corning Incorporated
    Inventors: Nicholas Francis Borrelli, Kathryn L Goetschius, Charlene Marie Smith
  • Photomachinable glass compositions having tunable photosensitivity
    Publication number: 20090062102
    Abstract: The invention is directed to photomachinable glass compositions having a controllable or tunable photosensitivity, and to a method for making such compositions. The compositions of the invention contain titania (TiO2) in an amount in the range of greater than 0.01 wt. % to 2 wt. % added to any known photomachinable glass composition. In one embodiment the TiO2 in an amount in the range of greater than 0.01 wt. % to 1 wt. %. An example of a photomachinable glass of the invention is one having a composition having, in weight percent (wt. %) of 65-80% SiO2, 15-20% Li2O, 1-4% Na2O, 1-4% K2O, 2-10% Al2O3, 0-3% ZnO, 0-0.15% Sb2O3, 0-0.015% CeO2, 0-0.001% Au, 0-0.015% Ag and >0.01% to 2% TiO2, and the sum of Au+Ag is greater than zero. In particular embodiment the TiO2 is in the range of >0.01% to 1%.
    Type: Application
    Filed: August 31, 2007
    Publication date: March 5, 2009
    Inventors: Nicholas Francis Borrelli, Kathryn L. Goetschius, Charlene Marie Smith
  • Low CTE photomachinable glass
    Publication number: 20080299501
    Abstract: The present invention describes a composition, method and article for a photomachinable glass having a coefficient of thermal expansion from less than 6×10?6/° C. in the temperature range of 0° C. to 300 ° C. The photomachinable glass composition is a low expansion glass having an amorphous glass phase and crystalline phases selected from the group consisting of spudomene and lithium disilicate.
    Type: Application
    Filed: August 31, 2007
    Publication date: December 4, 2008
    Inventors: Nicholas Francis Borrelli, Kathryn L. Goetschius, David Lathrop Morse, Charlene Marie Smith