COVER GLASS

A cover glass of the present invention is characterized by including in a glass composition at least three or more components selected from SiO2, Al2O3, B2O3, Li2O, Na2O, K2O, MgO, CaO, BaO, TiO2, Y2O3, ZrO2, and P2O3, and having an X value of 7,400 or more calculated by the following equation. The...

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Bibliographische Detailangaben
Hauptverfasser:	HOSODA, Yohei, ICHIMARU, Tomonori, YUKI, Ken
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS METALLURGY MINERAL OR SLAG WOOL SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS
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Beschreibung
Zusammenfassung:	A cover glass of the present invention is characterized by including in a glass composition at least three or more components selected from SiO2, Al2O3, B2O3, Li2O, Na2O, K2O, MgO, CaO, BaO, TiO2, Y2O3, ZrO2, and P2O3, and having an X value of 7,400 or more calculated by the following equation. The X value is a value calculated by the equation X=61.1×[SiO2]+174.3×[Al2O3]+11.3×[B2O3]+124.7×[Li2O]−5.2×[Na2O]+2 26.7×[K2O]+139.4×[MgO]+117.5×[CaO]+89.6×[BaO]+191.8×[TiO2]+226. 7×[Y2O3]+157.9×[ZrO2]−42.2×[P2O5].