Support glass base plate

The invention achieves warp suppression and weight reduction. A support glass base plate 10 has a ratio of the Young's modulus (GPa) over density (g/cm3) of 37.0 (GPa.cm3/g) or higher and is of a larger value than a ratio calculation value, which is the ratio of the Young's modulus (GPa) o...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	NAGANO, MIKIO, ONO, KAZUTAKA, TAMAI, KIYOSHI, SAITO, YASUNARI, INABA, SEIJI, KOBAYASHI, YUHA
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS METALLURGY MINERAL OR SLAG WOOL SEMICONDUCTOR DEVICES SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS
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Beschreibung
Zusammenfassung:	The invention achieves warp suppression and weight reduction. A support glass base plate 10 has a ratio of the Young's modulus (GPa) over density (g/cm3) of 37.0 (GPa.cm3/g) or higher and is of a larger value than a ratio calculation value, which is the ratio of the Young's modulus (GPa) over density (g/cm3), as calculated from the composition. The ratio calculation value is represented by the formula: [alpha] = 2.[Sigma]{(Vi.Gi)/Mi).Xi}. Herein, Vi represents a filling parameter for a metal oxide contained in the support glass base plate 10, Gi represents the energy of dissociation for the metal oxide contained in the support glass base plate 10, Mi represents the molecular weight of the metal oxide contained in the support glass base plate 10, and Xi represents the molar ratio of the metal oxide contained in the support glass base plate 10.