An article that includes: a substrate comprising a glass, glass-ceramic or a ceramic composition and a primary surface; and a protective film disposed on the primary surface. Each of the substrate and the film comprises an optical transmittance of 20% or more in the visible spectrum. Further, the protective film comprises a hardness of greater than 10 GPa, as measured by a Berkovich nanoindenter, and a strain-to-failure of greater than 0.8%, as measured by a ring-on-ring test.


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    Title :

    GLASS, GLASS-CERAMIC AND CERAMIC ARTICLES WITH PROTECTIVE COATINGS HAVING HARDNESS AND TOUGHNESS



    Publication date :

    2018-11-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    C03C Chemische Zusammensetzungen für Gläser, Glasuren oder Emails , CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / H05K PRINTED CIRCUITS , Gedruckte Schaltungen



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