Alkali-free aluminoborosilicate glass and use thereof

Application Number:	02807159.X	Application date:	2002.03.06
name:	Alkali-free aluminoborosilicate glass and use thereof
Public (announcement) number:	CN1525945	Public (announcement) day:	2004.09.01
Main classification number:	C03C3/085	The original application number of the division:
Classification number:	C03C3/085; C03C3/091; B32B9/00; C03C4/04
Award day:		priority:	2001.3.24 DE 10114581.0
Application (patent) person:	SCHOTT Glass Factory
address:	Mainz, Germany
Invention (design) person:	U. Peychelt; L. Gaschler	International application:	PCT/EP2002/002432 2002.3.6
International announcement:	WO2002/076899 de 2002.10.3	Enter country date:	2003.09.24
Patent agency:	China Patent Agent (Hong Kong) Co., Ltd.	agent:	Zhou Huimin; Ma Chongde

Summary
The present invention relates to an alkali-free aluminoborosilicate glass having the following composition (expressed in % by weight, based on oxide content): SiO2>58-70, B2O3 0.5-<9, Al2O3 10-25, MgO> 8-15, CaO 0-<10, SrO 0-<3, BaO 0-<2, and MgO+CaO+SrO+BaO>8-18, ZnO 0-<2. The glass is well suited for use as a substrate glass in display technology and thin film photovoltaic technology.

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