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Engineered high expansion glass-ceramics having near linear thermal strain and methods thereof

United States Patent

9,878,944
January 30, 2018
View the Complete Patent at the US Patent & Trademark Office
Sandia National Laboratories - Visit the Intellectual Property Management and Licensing Website
The present invention relates to glass-ceramic compositions, as well as methods for forming such composition. In particular, the compositions include various polymorphs of silica that provide beneficial thermal expansion characteristics (e.g., a near linear thermal strain). Also described are methods of forming such compositions, as well as connectors including hermetic seals containing such compositions.
Dai; Steve Xunhu (Albuquerque, NM), Rodriguez; Mark A. (Albuquerque, NM), Lyon; Nathanael L. (Albuquerque, NM)
National Technology & Engineering Solutions of Sandia, LLC (Albuquerque, NM)
14/ 834,616
August 25, 2015
STATEMENT OF GOVERNMENT INTEREST This invention was made with Government support under contract no. DE-AC04-94AL85000 awarded by the U.S. Department of Energy to Sandia Corporation. The Government has certain rights in the invention.