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1. 发明公开

EP2660213A1 NON-ALKALI GLASS, AND PROCESS FOR PRODUCTION OF NON-ALKALI GLASS 审中-公开
标题翻译： NICHTALKALISCHES GLAS UND VERFAHREN ZUR HERSTELLUNG DES NICHTALKALISCHEN GLASES
公开(公告)号：EP2660213A1
公开(公告)日：2013-11-06
申请号：EP11852770.4
申请日：2011-12-20
申请人： Asahi Glass Company, Limited
发明人： TSUJIMURA Tomoyuki , NISHIZAWA Manabu , KOIKE Akio
IPC分类号： C03C3/087 , C03C1/00 , C03C3/091 , C03C3/093 , G02B1/00 , G02F1/1333
CPC分类号： C03C3/091 , C03C3/087 , C03C3/093
摘要： The present invention relates to an alkali-free glass having a strain point of 735°C or higher, an average thermal expansion coefficient at from 50 to 350°C of from 30×10 -7 to 40×10 -7 /°C, a temperature T 2 at which a glass viscosity is 10 2 dPa·s of 1,710°C or lower, a temperature T 4 at which a glass viscosity is 10 4 dPa·s of 1,340°C or lower, and a devitrification temperature of 1,330°C or lower, the alkali-free glass including, in terms of mol% on the basis of oxides: SiO 2 66 to 69, Al 2 O 3 12 to 15, B 2 O 3 0 to 1.5, MgO 6 to 9.5, CaO 7 to 9, SrO 0.5 to 3, BaO 0 to 1, and ZrO 2 0 to 2, in which MgO+CaO+SrO+BaO is from 16 to 18.2, MgO/(MgO+CaO+SrO+BaO) is 0.35 or more, MgO/(MgO+CaO) is 0.40 or more and less than 0.52, and MgO/(MgO+SrO) is 0.45 or more.
摘要翻译：本发明涉及应变点为735℃以上，50〜350℃的平均热膨胀系数为30×10 -7〜40×10 -7 /℃的无碱玻璃，玻璃粘度为10 2 dPa·s为1710℃以下的温度T 2，玻璃粘度为10 4 dPa·s的温度T 4为1340℃以下，失透温度为1330℃ ℃以下的无碱玻璃，以氧化物：SiO 2 66〜69，Al 2 O 3 12〜15，B 2 O 3 0〜1.5，MgO 6〜9.5， CaO 7〜9，SrO 0.5〜3，BaO 0〜1，ZrO 2 0〜2，MgO + CaO + SrO + BaO为16〜18.2，MgO /（MgO + CaO + SrO + BaO）为0.35 以上，MgO /（MgO + CaO）为0.40以上且小于0.52，MgO /（MgO + SrO）为0.45以上。

2. 发明公开

EP2650262A1 ALKALI FREE GLASS AND METHOD FOR PRODUCING ALKALI FREE GLASS 审中-公开
标题翻译： ALKALIFREIES GLAS UND VERFAHREN ZUR HERSTELLUNG VON ALKALIFREIEM GLAS
公开(公告)号：EP2650262A1
公开(公告)日：2013-10-16
申请号：EP11847758.7
申请日：2011-12-02
申请人： Asahi Glass Company, Limited
发明人： TSUJIMURA Tomoyuki , NISHIZAWA Manabu , KOIKE Akio
IPC分类号： C03C3/087 , C03C1/00 , C03C3/091 , C03C3/093
CPC分类号： C03C3/091 , C03C3/087
摘要： The present invention relates to an alkali-free glass having a strain point of 725°C or higher, an average thermal expansion coefficient at from 50 to 300°C of from 30×10 -7 to 40×10 -7 /°C, a temperature T 2 at which a glass viscosity is 10 2 dPa·s of 1,710°C or lower, and a temperature T 4 at which a glass viscosity is 10 4 dPa·s of 1,320°C or lower, the alkali-free glass including, in terms of mol% on the basis of oxides, SiO 2 : 66 to 70, Al 2 O 3 : 12 to 15, B 2 O 3 : 0 to 1.5, MgO: more than 9.5 and 13 or less, CaO: 4 to 9, SrO: 0.5 to 4.5, BaO: 0 to 1, and ZrO 2 : 0 to 2, in which MgO+CaO+SrO+BaO is from 17 to 21, MgO/(MgO+CaO+SrO+BaO) is 0.4 or more, MgO/(MgO+CaO) is 0.4 or more, MgO/(MgO+SrO) is 0.6 or more, and the alkali-free glass does not substantially contain an alkali metal oxide.
摘要翻译：本发明涉及应变点为725℃以上，50〜300℃的平均热膨胀系数为30×10 -7〜40×10 -7 /℃的无碱玻璃，玻璃粘度为10 2 dPa·s为1710℃以下的温度T 2，玻璃粘度为10 4 dPa·s的温度T 4为1320℃以下，无碱玻璃包括以氧化物为基准的摩尔％，SiO 2：66〜70，Al 2 O 3：12〜15，B 2 O 3：0〜1.5，MgO：9.5以上13以下，CaO： 4〜9，SrO：0.5〜4.5，BaO：0〜1，ZrO 2：0〜2，MgO + CaO + SrO + BaO为17〜21，MgO /（MgO + CaO + SrO + BaO）为0.4以上，MgO /（MgO + CaO）为0.4以上，MgO /（MgO + SrO）为0.6以上，无碱玻璃基本不含有碱金属氧化物。

3. 发明公开

EP2492246A1 GLASS PLATE FOR SUBSTRATE, METHOD FOR PRODUCING SAME, AND METHOD FOR PRODUCING TFT PANEL 审中-公开
标题翻译：玻璃基材，方法用于生产TFT SCOREBOARD PRODUCING和方法
公开(公告)号：EP2492246A1
公开(公告)日：2012-08-29
申请号：EP10824949.1
申请日：2010-10-19
申请人： Asahi Glass Company, Limited
发明人： TSUJIMURA Tomoyuki , KUROKI Yuichi , NISHIZAWA Manabu
IPC分类号： C03C3/085 , C03B18/02 , C03C3/087 , C03C3/091 , C03C3/093 , G02F1/1333 , G09F9/30 , H01J9/24 , H01J17/16
CPC分类号： C03C3/093 , C03C3/085 , C03C3/091 , H01J2211/34
摘要： Provided is a glass plate having a small B 2 O 3 content and a β-OH value (mm -1 ) of 0.05 to 0.5, and which can be suitably used as a glass substrate for a TFT panel.
The glass plate for a substrate contains, as a glass matrix composition, in mol% on the oxide basis, SiO 2 : 67 to 72, Al 2 O 3 : 1 to 7, B 2 O 3 : 0 to 4, MgO: 11 to 15, CaO: 0 to 3, SrO: 0 to 3, BaO: 0 to 4, ZrO 2 : 0 to 4, Na 2 O: 8 to 15, and K 2 O: 0 to 7, with SiO 2 +Al 2 O 3 : 71 to 77, MgO+CaO+SrO+BaO: 11 to 17, Na 2 O+K 2 O: 8 to 17, and satisfying K 2 O/(Na 2 O+K 2 O)≤0.13×(SiO 2 +Al 2 O 3 +0.5B 2 O 3 +0.3BaO)-9.4, in which the glass plate has a β-OH value (mm -1 ) of 0.05 to 0.5, and a heat shrinkage ratio (C) of 16 ppm or less.
摘要翻译：本发明提供一种具有小的B 2 O 3含量和²-OH值的0.05（毫米-1）至0.5玻璃板，并且可以适合用作TFT面板用的玻璃基板。的基板用玻璃板中含有，作为玻璃主要组成，以摩尔％的氧化物为基准，包含SiO 2：67〜72的Al 2 O 3：1〜7，B 2 O 3：0〜4的MgO：11 至15，的CaO：0〜3，SRO：0至3，的BaO：0〜4，的ZrO 2：0〜4，钠2 O：8〜15，K 2 O：0〜7，具有的SiO 2 +铝 2 O 3：71〜77的MgO + CaO的+的SrO + BaO的：11至17的Na 2 O + K 2 O：8〜17，满足K 2 O /（NA 2 O + K 2 O）‰¤0.13 X（的SiO 2 +的Al 2 O 3 + 0.5B 2 O 3 + 0.3BaO）-9.4，其中，所述玻璃板具有²-OH值的0:05（毫米-1）至0.5，和热收缩率（C ）为16ppm或以下。

4. 发明公开

EP2450319A1 ALKALI-FREE GLASS AND METHOD FOR PRODUCING SAME 审中-公开
标题翻译： ALKALIFREIES GLAS UND VERFAHREN ZU SEINER HERSTELLUNG
公开(公告)号：EP2450319A1
公开(公告)日：2012-05-09
申请号：EP10794089.2
申请日：2010-06-25
申请人： Asahi Glass Company, Limited
发明人： NAGAI Kensuke , KUROKI Yuichi , NISHIZAWA Manabu , TSUJIMURA Tomoyuki
IPC分类号： C03C3/091 , C03B1/00 , C03C3/087 , C03C3/093 , C03C6/00 , G02F1/1333 , G09F9/30
CPC分类号： C03C3/087 , C03C1/00 , C03C3/091 , C03C3/093 , G02F2001/133302
摘要： The present invention provides an alkali-free glass that has a high strain point, low viscosity and low devitrification, and is easily subjected to float molding and fusion molding. The present invention relates to an alkali-free glass having a strain point of 725°C or higher; an average thermal expansion coefficient at 50 to 300°C of 30 × 10 -7 to 40 × 10 -7 /°C; a temperature T 2 at which a glass viscosity becomes 10 2 dPa·s of 1,710°C or lower; a temperature T 4 at which a glass viscosity becomes 10 4 dPa·s of 1,330°C or lower; a glass surface devitrification temperature (T c ) of 1,330°C or lower; a glass internal devitrification temperature (T d ) of 1,330°C or lower, and including, in terms of mol% on the basis of oxides, SiO 2 : 66 to 70, Al 2 O 3 : 12 to 15, B 2 O 3 : 0 to 1.5, MgO: 6 to 9.5, CaO: 4.5 to 8, SrO: 2 to 7, BaO: 0 to less than 1, and ZrO 2 : 0 to 2, provided that MgO + CaO + SrO + BaO is 14 to 18.2, MgO/(MgO + CaO + SrO + BaO) is 0.35 or greater, MgO/(MgO + CaO) is 0.52 or greater, and MgO/(MgO + SrO) is 0.45 or greater, in which the alkali-free glass does not substantially contain alkali metal oxides.
摘要翻译：本发明提供一种具有高应变点，低粘度和低失透性的无碱玻璃，并且容易进行浮法成型和熔融成型。本发明涉及应变点为725℃以上的无碱玻璃; 50〜300℃的平均热膨胀系数为30×10 -7〜40×10 -7 /℃; 玻璃粘度为10 2 dPa·s的温度T 2为1710℃以下; 玻璃粘度为10 4 dPa·s为1330℃以下的温度T 4; 玻璃表面失透温度（T c）为1330℃以下; 玻璃内部失透温度（T d）为1330℃以下，以SiO 2为66〜70，Al 2 O 3：12〜15，B 2 O 3为基准，以氧化物为基准的摩尔％：0〜1.5，MgO：6〜9.5，CaO：4.5〜8，SrO：2〜7，BaO：0〜小于1，ZrO 2：0〜2，条件是MgO + CaO + SrO + BaO为14 至18.2，MgO /（MgO + CaO + SrO + BaO）为0.35以上，MgO /（MgO + CaO）为0.52以上，MgO /（MgO + SrO）为0.45以上，玻璃基本上不含有碱金属氧化物。

5. 发明授权

EP2842918B1 NON-ALKALI GLASS AND METHOD FOR PRODUCING SAME 有权转让
标题翻译：非碱性玻璃及其制造方法
公开(公告)号：EP2842918B1
公开(公告)日：2017-09-06
申请号：EP13780855.6
申请日：2013-04-24
申请人： Asahi Glass Company, Limited
发明人： TOKUNAGA Hirofumi , TSUJIMURA Tomoyuki , NISHIZAWA Manabu , KOIKE Akio
IPC分类号： C03C3/091 , C03C3/087 , C03C3/093
CPC分类号： C03C3/091 , C03C3/087 , C03C3/093

6. 发明公开

EP2860160A1 ALKALI-FREE GLASS SUBSTRATE AND METHOD FOR REDUCING THICKNESS OF ALKALI-FREE GLASS SUBSTRATE 审中-公开
标题翻译： ALKALIFREIE GLASSUBSTRATE UND VERFAHREN ZUR VERRINGERUNG DER DICKE EINES ALKALIFREIEN GLASSUBSTRATS
公开(公告)号：EP2860160A1
公开(公告)日：2015-04-15
申请号：EP13797158.6
申请日：2013-05-30
申请人： Asahi Glass Company, Limited
发明人： TOKUNAGA Hirofumi , TSUJIMURA Tomoyuki , NISHIZAWA Manabu , KOIKE Akio
IPC分类号： C03C3/091 , C03C3/087 , C03C3/093 , C03C15/00
CPC分类号： C03C15/00 , C03C3/087 , C03C3/091
摘要： The present invention relates to an alkali-free glass substrate with a thickness of 0.4 mm or less, which has been reduced in thickness by 5 µm or more by a hydrofluoric acid (HF) etching treatment, in which the alkali-free glass substrate contains an alkali-free glass described below, and the alkali-free glass substrate after reduced in thickness has a specific modulus of 32 MNm/kg or more and a photoelastic constant of 31 nm/MPa/cm or less, the alkali-free glass having a strain point of 710°C or higher, an average thermal expansion coefficient at 50 to 350°C of from 30×10 -7 to 43×10 -7 /°C, a temperature T 2 at which a glass viscosity reaches 10 2 dPa·s of 1710°C or lower, a temperature T 4 at which the glass viscosity reaches 10 4 dPa·s of 1320°C or lower, and containing, indicated by mol% on the basis of oxides, SiO 2 66 to 70, Al 2 O 3 12 to 15, B 2 O 3 0 to 1.5, MgO exceeding 9.5 to 13, CaO 4 to 9, SrO 0.5 to 4.5, BaO 0 to 1, and ZrO 2 0 to 2, in which MgO+CaO+SrO+BaO is from 17 to 21, MgO/(MgO+CaO+SrO+BaO) is 0.40 or more, MgO/(MgO+CaO) is 0.40 or more, and MgO/(MgO+SrO) is 0.60 or more.
摘要翻译：本发明涉及厚度为0.4mm以下的无碱玻璃基板，其通过氢氟酸（HF）蚀刻处理将厚度减小5μm以上，其中无碱玻璃基板含有下述的无碱玻璃，厚度减小后的无碱玻璃基板的比模量为32MNm / kg以上，光弹性常数为31nm / MPa / cm以下，无碱玻璃具有应变点为710℃以上，50〜350℃的平均热膨胀系数为30×10 -7〜43×10 -7 /℃，玻璃粘度为10 2的温度T 2 dPa·s为1710℃以下，玻璃粘度达到10 4 dPa·s为1320℃以下的温度T 4，以氧化物的摩尔％表示，SiO 2 66〜70 ，Al 2 O 3 12〜15，B 2 O 3 0〜1.5，MgO超过9.5〜13，CaO 4〜9，SrO 0.5〜4.5，BaO 0〜1，ZrO 2 0〜2，MgO + CaO +的SrO + BaO的 MgO /（MgO + CaO + SrO + BaO）为0.40以上，MgO /（MgO + CaO）为0.40以上，MgO /（MgO + SrO）为0.60以上。

7. 发明公开

EP2842918A1 NON-ALKALI GLASS AND METHOD FOR PRODUCING SAME 有权转让
标题翻译： VERFAHREN ZUR HERSTELLUNG DAVON的NICHTALKALISCHES GLAS
公开(公告)号：EP2842918A1
公开(公告)日：2015-03-04
申请号：EP13780855.6
申请日：2013-04-24
申请人： Asahi Glass Company, Limited
发明人： TOKUNAGA Hirofumi , TSUJIMURA Tomoyuki , NISHIZAWA Manabu , KOIKE Akio
IPC分类号： C03C3/091 , C03C1/02 , C03C3/093
CPC分类号： C03C3/091 , C03C3/087 , C03C3/093
摘要： The present invention relates to a non-alkali glass having a strain point of from 710°C to lower than 725°C, an average thermal expansion coefficient at from 50 to 300°C of from 30×10 -7 to 43×10 -7 /°C, a temperature T 2 at which glass viscosity reaches 10 2 dPa·s of 1710°C or lower, a temperature T 4 at which the glass viscosity reaches 10 4 dPa·s of 1320°C or lower, and containing, indicated by mol% on the basis of oxides, SiO 2 66 to 70, Al 2 O 3 12 to 14, B 2 O 3 exceeding 0 to 1.5, MgO exceeding 9.5 to 13 (or 5 to 9.5), CaO 4 to 9 (or 4 to 11), SrO 0.5 to 4.5, BaO 0 to 0.5 and ZrO 0 to 2, in which MgO+CaO+SrO+BaO is from 17 to 21 (or exceeding 18.2 to 21), MgO/(MgO+CaO+SrO+BaO) is 0.4 or more (or 0.25 or more), MgO/(MgO+CaO) is 0.4 or more (or 0.3 or more), and MgO/(MgO+SrO) is 0.6 or more (and Al 2 O 3 ×(MgO/(MgO+CaO+SrO+BaO)) is 5.5 or more).
摘要翻译：本发明涉及应变点为710℃以上且低于725℃，50〜300℃的平均热膨胀系数为30×10 -7〜43×10 -4的非碱玻璃， 7 /℃，玻璃粘度达到10 2 dPa·s为1710℃以下的温度T 2，玻璃粘度达到10 4 dPa·s的温度T 4为1320℃以下，含有以氧化物摩尔％表示，SiO 2 66〜70，Al 2 O 3 12〜14，B 2 O 3超过0〜1.5，MgO超过9.5〜13（或5〜9.5），CaO 4〜9 （或4〜11），SrO 0.5〜4.5，BaO 0〜0.5和ZrO 0〜2，MgO + CaO + SrO + BaO为17〜21（或超过18.2〜21），MgO /（MgO + CaO + SrO + BaO）为0.4以上（或0.25以上），MgO /（MgO + CaO）为0.4以上（0.3以上），MgO /（MgO + SrO）为0.6以上（Al 2 O 3×（MgO /（MgO + CaO + SrO + BaO））为5.5以上）。

8. 发明公开

EP2857367A1 ALKALI-FREE GLASS AND METHOD FOR PRODUCING SAME 审中-公开
标题翻译： VERFAHREN ZU SEINER HERSTELLUNG的NICHTALKALISCHES GLAS
公开(公告)号：EP2857367A1
公开(公告)日：2015-04-08
申请号：EP13799861.3
申请日：2013-06-04
申请人： Asahi Glass Company, Limited
发明人： TOKUNAGA Hirofumi , KOIKE Akio , NISHIZAWA Manabu , TSUJIMURA Tomoyuki
IPC分类号： C03C3/112 , C03C3/118
CPC分类号： C03C3/093 , C03C1/02 , C03C3/087 , C03C3/091 , C03C3/112 , C03C3/118
摘要： The present invention relates to an alkali-free glass having a strain point of 710°C or higher, an average thermal expansion coefficient at from 50 to 350°C of from 30×10 -7 to 43×10 -7 /°C, a temperature T 2 at which glass viscosity reaches 10 2 dPa·s of 1,710°C or lower, and a temperature T 4 at which the glass viscosity reaches 10 4 dPa·s of 1,320°C or lower, containing, indicated by % by mass on the basis of oxides: SiO 2 58.5 to 67.5, Al 2 O 3 18 to 24, B 2 O 3 0 to 1.7, MgO 6.0 to 8.5, CaO 3.0 to 8.5, SrO 0.5 to 7.5, BaO 0 to 2.5, and ZrO 2 0 to 4.0, containing 0 to 0.35% by mass of Cl, 0.01 to 0.15% by mass of F, and 0.01 to 0.3% by mass of SnO 2 , and having a β-OH value of the glass of from 0.15 to 0.60 mm -1 , in which (MgO/40.3)+(CaO/56.1)+(SrO/103.6)+(BaO/153.3) is from 0.27 to 0.35, (MgO/40.3)/((MgO/40.3)+(CaO/56.1)+(SrO/103.6)+(BaO/153.3)) is 0.40 or more, (MgO/40.3)/((MgO/40.3)+(CaO/56.1)) is 0.40 or more, and (MgO/40.3)/((MgO/40.3)+(SrO/103.6)) is 0.60 or more.
摘要翻译：本发明涉及应变点为710℃以上，50〜350℃的平均热膨胀系数为30×10 -7〜43×10 -7 /℃的无碱玻璃，玻璃粘度达到10 2 dPa·s的温度T 2为1710℃以下，玻璃粘度达到10 4 dPa·s以下的温度T 4为1320℃以下，含有％基于氧化物：SiO 2 58.5〜67.5，Al 2 O 3 18〜24，B 2 O 3 0〜1.7，MgO 6.0〜8.5，CaO 3.0〜8.5，SrO 0.5〜7.5，BaO 0〜2.5，以及 ZrO 2 0〜4.0，含有0〜0.35质量％的Cl，0.01〜0.15质量％的F，0.01〜0.3质量％的SnO 2，玻璃的-2-OH值为0.15〜（MgO / 40.3）+（CaO / 56.1）+（SrO / 103.6）+（BaO / 153.3）为0.27〜0.35（MgO / 40.3）/（（MgO / 40.3）+ CaO / 56.1）+（SrO / 103.6）+（BaO / 153.3））为0.40以上，（MgO / 40.3）/（（MgO / 40.3）+（CaO / 56.1））为0.40以上，（MgO / 40.3）/（（MgO / 40.3）+（SrO / 103.6））为0.60以上。

9. 发明公开

EP2842919A1 NON-ALKALI GLASS AND METHOD FOR PRODUCING SAME 审中-公开
标题翻译：非碱性玻璃及其制造方法
公开(公告)号：EP2842919A1
公开(公告)日：2015-03-04
申请号：EP13780817.6
申请日：2013-04-24
申请人： Asahi Glass Company, Limited
发明人： TOKUNAGA Hirofumi , URATA Shingo , KOIKE Akio , NISHIZAWA Manabu , ENOMOTO Takashi , TSUJIMURA Tomoyuki
IPC分类号： C03C3/112 , C03B1/00 , C03B5/225
CPC分类号： C03C3/112 , C03B1/00 , C03C3/087 , C03C3/091 , C03C3/118 , Y02P40/57
摘要： The present invention relates to a non-alkali glass having a strain point of 710°C or higher, an average thermal expansion coefficient at from 50 to 300°C of from 30×10 -7 to 43x 10 -7 /°C, a temperature T 2 at which glass viscosity reaches 10 2 dPa·s of 1,710°C or lower, a temperature T 4 at which the glass viscosity reaches 10 4 dPa·s of 1,320°C or lower, containing, indicated by percentage by mass on the basis of oxides, SiO 2 58.5 to 67.5, Al 2 O 3 18 to 24, B 2 O 3 0 to 1.7, MgO 6.0 to 8.5, CaO 3.0 to 8.5, SrO 0.5 to 7.5, BaO 0 to 2.5 and ZrO 2 0 to 4.0, containing Cl in an amount of from 0.15 to 0.35% by mass, F in an amount of from 0.01 to 0.15% by mass and SO 3 in an amount of from 1 to 25 ppm and having a β-OH value of the glass of from 0.15 to 0.45 mm -1 , in which (MgO/40.3)+(CaO/56.1)+(SrO/103.6)+(BaO/153.3) is from 0.27 to 0.35, (MgO/40.3)/((MgO/40.3)+(CaO/56.1)+(SrO/103.6)+(BaO/153.3)) is 0.40 or more, (MgO/40.3)/((MgO/40.3) +(CaO56.1)) is 0.40 or more, and (MgO/40.3)/((MgO/40.3) +(SrO/103.6)) is 0.60 or more.
摘要翻译：本发明涉及应变点为710℃以上，50℃〜300℃的平均热膨胀系数为30×10 -7〜43×10 -7 /℃的无碱玻璃，玻璃粘度达到102dPa·s时的温度T2为1710℃以下，玻璃粘度达到104dPa·s时的温度T4为1320℃以下，以氧化物基准的质量％表示，SiO 2 58.5〜67.5，Al 2 O 3 18〜24，B 2 O 3 0〜1.7，MgO 6.0〜8.5，CaO 3.0〜8.5，SrO 0.5〜7.5，BaO 0〜2.5，ZrO 2 0〜4.0， 0.35质量％，F为0.01〜0.15质量％，SO 3为1〜25ppm，玻璃的β-OH值为0.15〜0.45mm -1，其中（（MgO / 40.3）+（（MgO / 40.3）+（CaO / 56.1）+（SrO / 40.3）+（CaO / 56.1）+（SrO / 103.6）+（BaO / 153.3）为0.27-0.35。（MgO / 40.3）/（（MgO / 40.3）+（CaO56.1））为0.40以上，（MgO / 40.3）/（（MgO / 40.3）） +（SrO / 103.6））为0.60以上。

10. 发明公开

EP2695863A1 NON-ALKALI GLASS FOR SUBSTRATES AND PROCESS FOR MANUFACTURING NON-ALKALI GLASS FOR SUBSTRATES 审中-公开
标题翻译： NOT FOR碱性玻璃基板和生产非碱玻璃用于基材的方法
公开(公告)号：EP2695863A1
公开(公告)日：2014-02-12
申请号：EP12768420.7
申请日：2012-04-03
申请人： Asahi Glass Company, Limited
发明人： TSUJIMURA Tomoyuki , NISHIZAWA Manabu , HIGUCHI Nobuhiko
IPC分类号： C03B25/04 , C03B18/02 , C03C3/085 , C03C3/087 , C03C3/091 , C03C3/093
CPC分类号： C03C3/091 , C03B18/02 , C03B25/08 , Y02P40/57
摘要： According to the present invention, an alkali-free glass for a substrate, having a thickness of 0.1 mm to 0.3 mm and a compaction of 9 ppm or lower can be obtained without performing heat treatment as a post-treatment for the alkali-free glass for a substrate after production (after forming, annealing and cutting).
摘要翻译：。根据本发明，到无碱玻璃为基材，具有0.3mm的厚度为0.1mm和9 1ppm或更低的压实可以不作为后处理的无碱玻璃进行热处理而得到生产之后的底物（成形，退火和切割后）。

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