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Transparent ceramics and methods of preparation thereof

United States Patent

December 25, 2012
View the Complete Patent at the US Patent & Trademark Office
Lawrence Livermore National Laboratory - Visit the Industrial Partnerships Office Website
A method for forming a transparent ceramic preform in one embodiment includes forming a suspension of oxide particles in a solvent, wherein the suspension includes a dispersant, with the proviso that the suspension does not include a gelling agent; and uniformly curing the suspension for forming a preform of gelled suspension. A method according to another embodiment includes creating a mixture of inorganic particles, a solvent and a dispersant, the inorganic particles having a mean diameter of less than about 2000 nm; agitating the mixture; adding the mixture to a mold; and curing the mixture in the mold for gelling the mixture, with the proviso that no gelling agent is added to the mixture.
Hollingsworth; Joel P. (Oakland, CA), Kuntz; Joshua D. (Livermore, CA), Seeley; Zachary M. (Pullman, WA), Soules; Thomas F. (Livermore, CA)
Lawrence Livermore National Security, LLC (Livermore, CA)
13/ 221,788
August 30, 2011
The United States Government has rights in this invention pursuant to Contract No. DE-AC52-07NA27344 between the United States Department of Energy and Lawrence Livermore National Security, LLC for the operation of Lawrence Livermore National Laboratory.