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
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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