ALKALI-FREE GLASS AND ALKALI-FREE GLASS SUBSTRATE,申请号KR20117021417-传众专利搜索

ALKALI-FREE GLASS AND ALKALI-FREE GLASS SUBSTRATE

申请公布号：KR20110106473(A)

申请号：KR20117021417

申请日期：2008.06.04

申请公布日期：2011.09.28

申请人：

NIPPON ELECTRIC GLASS CO., LTD.

发明人：YANASE TOMOKI;MIWA SHINKICHI

分类号：C03C3/091;C03C3/11;G02F1/1333

主分类号：C03C3/091

摘要：<p>An alkali-free glass characterized by having a glass composition being substantially free of an alkali metal oxide, As2O3 and Sb2O3 and including, in terms of mol %, 55 to 75% of SiO2, 7 to 15% of Al2O3, 7 to 12% of B2O3, 0 to 3% of MgO, 7 to 12% of CaO, 0 to 5% of SrO, 0 to 2% of BaO, 0 to 5% of ZnO and 0.01 to 1% of SnO2 and has a liquidus viscosity of 105.2 dPa·s or higher and a temperature corresponding to a viscosity of 102.5 dPa·s of 1,550° C. or lower.</p>