Glass base material

Provided is a glass base material having excellent sodium feeding capability as a glass base material for solar cells such as compound semiconductor solar cells. The invention is concerned with a glass base material which is used for solar cells, wherein on at least one surface thereof, a sodium con...

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Bibliographische Detailangaben
Hauptverfasser:	TANIDA MASAKAZU, KAWAMURA YOSHIMASA, HIMEI YUSUKE, SAKAMOTO AKIHIKO, MUGURUMA MASATO
Format:	Patent
Sprache:	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:	Provided is a glass base material having excellent sodium feeding capability as a glass base material for solar cells such as compound semiconductor solar cells. The invention is concerned with a glass base material which is used for solar cells, wherein on at least one surface thereof, a sodium concentration in a depth of 0.2 μm from the surface of the glass base material is 0.55 or larger in terms of a relative value relative to a sodium concentration in a depth of 1 μm from the surface of the glass base material.