GLASS SUBSTRATE FOR INFORMATION DISPLAY DEVICE, A METHOD FOR PRODUCTION THEREOF AND INFORMATION DISPLAY DEVICE USING THE SAME

摘要

The glass composition of the present invention includes the following components, expressed in mass%: 70% to 88% of SiO 2 ; 6% to 18% of B 2 O 3 ; 0.5% to 4.5% of Al 2 O 3 ; 0% to 0.5% of Li 2 O ; 0% to 0.5% of Na 2 O ; 2% to 10% of K 2 O ; and 0% to 2% of MgO + CaO + SrO + BaO, and the glass composition further includes chlorine (Cl). The glass composition of the present invention is used suitably as a glass substrate for an information display device.