摘要:
To provide glass for a data storage medium substrate, whereby high heat resistance can be obtained.Glass for a data storage medium substrate, which comprises, as represented by mol percentage based on the following oxides, from 55 to 70% of SiO2, from 2.5 to 9% of Al2O3, from 0 to 10% of MgO, from 0 to 7% of CaO, from 0.5 to 10% of SrO, from 0 to 12.5% of BaO, from 0 to 2.5% of TiO2, from 0.5 to 3.7% of ZrO2, from 0 to 2.5% of Li2O, from 0 to 8% of Na2O, from 2 to 8% of K2O and from 0.5 to 5% of La2O3, provided that the total content of Al2O3and ZrO2(Al2O3+ZrO2) is at most 12%, and the total content of Li2O, Na2O and K2O (R2O) is at most 12%.
摘要翻译:为了提供用于数据存储介质基板的玻璃,由此可以获得高耐热性。 用于数据存储介质衬底的玻璃,其以由以下氧化物的摩尔百分数表示的SiO 2为55至70%,Al 2 O 3为2.5至9%,MgO为0至10%,0至7 CaO的0.5〜10%,BaO 0〜12.5%,TiO 2 0〜2.5%,ZrO 2 0.5〜3.7%,Li 2 O 2〜2.5%,Li 2 O 0〜8% Na2O,2〜8%的K2O和0.5〜5%的La2O3,条件是Al2O3和ZrO2(Al2O3 + ZrO2)的总含量最多为12%,Li2O,Na2O和K2O(R2O)的总含量为 至多12%。
摘要:
To provide glass for a data storage medium substrate, whereby high heat resistance can be obtained.Glass for a data storage medium substrate, which comprises, as represented by mol percentage based on the following oxides, from 55 to 70% of SiO2, from 2.5 to 9% of Al2O3, from 0 to 10% of MgO, from 0 to 7% of CaO, from 0.5 to 10% of SrO, from 0 to 12.5% of BaO, from 0 to 2.5% of TiO2, from 0.5 to 3.7% of ZrO2, from 0 to 2.5% of Li2O, from 0 to 8% of Na2O, from 2 to 8% of K2O and from 0.5 to 5% of La2O3, provided that the total content of Al2O3 and ZrO2 (Al2O3+ZrO2) is at most 12%, and the total content of Li2O, Na2O and K2O (R2O) is at most 12%.
摘要翻译:为了提供用于数据存储介质基板的玻璃,由此可以获得高耐热性。 用于数据存储介质衬底的玻璃,其以由以下氧化物的摩尔百分数表示的SiO 2为55至70%,Al 2 O 3为2.5至9%,MgO为0至10%,0至7 CaO的0.5〜10%,BaO 0〜12.5%,TiO 2 0〜2.5%,ZrO 2 0.5〜3.7%,Li 2 O 2〜2.5%,Li 2 O 0〜8% Na 2 O,2〜8%的K 2 O和0.5〜5%的La 2 O 3,条件是Al 2 O 3和ZrO 2(Al 2 O 3 + ZrO 2)的总含量至多为12%,Li 2 O,Na 2 O和K 2 O(R 2 O)的总含量 )至多12%。
摘要:
To provide a substrate glass for data storage medium which is excellent in weather resistance even when no additional treatment such as chemical reinforcement treatment is applied and less susceptible to a whitening phenomenon and which has a glass transition temperature of at least 680° C. and is excellent in acid resistance.A substrate glass for data storage medium, which comprises, as represented by mass %, from 47 to 60% of SiO2, from 8 to 20% of Al2O3, from 0 to 8% of MgO, from 0 to 6% of CaO, from 1 to 18% of SrO, from 0 to 13% of BaO, from 1 to 6% of TiO2, from 1 to 5% of ZrO2, from 2 to 8% of Na2O and from 1 to 15% of K2O and which has a glass transition temperature of at least 680° C.
摘要:
A glass for a substrate, having an average thermal expansion coefficient in the range of from 60×10−7 to 75×10−7/° C. at 50 to 350° C., which consists essentially of the following composition expressed by wt %: wt % SiO2 more than 62 to 74, Al2O3 1 to 15, MgO 0 to 9, CaO 0 to 14, Na2O 0 to 12, K2O 0 to 13, SiO2 + Al2O3 72 to 82, MgO + CaO 5 to 24, Na2O + K2O 1 to 15, MgO + CaO + Na2O + K2O 18 to 28.
摘要:
To provide a glass for an information recording media substrate, which is excellent in weather resistance.A glass for an information recording media substrate, which comprises, as represented by mol % based on oxide, from 61 to 66% of SiO2, from 11.5 to 17% of Al2O3, from 8 to 16% of Li2O, from 2 to 8% of Na2O, from 2.5 to 8% of K2O, from 0 to 6% of MgO, from 0 to 4% of TiO2 and from 0 to 3% of ZrO2, provided that Al2O3+MgO+TiO2 is at least 12%, and Li2O+Na2O+K2O is from 16 to 23%, wherein in a case of where B2O3 is contained, its content is less than 1%. The above glass for an information recording media substrate, wherein when the glass is left under steam atmosphere at 120° C. at 0.2 MPa for 20 hours, and the amount of Li, the amount of Na and the amount of K, which precipitate on a surface of the glass are represented as CLi, CNa and CK respectively, CNa is at most 0.7 nmol/cm2, and CLi+CNa+CK is at most 3.5 nmol/cm2.
摘要翻译:提供耐候性优异的信息记录介质基板用玻璃。 用于信息记录介质基板的玻璃,其以氧化物的摩尔%表示,SiO 2的61至66%,Al 2 O 3的11.5至17%,Li 2 O的8至16%,2至8重量% 的Na 2 O,2.5〜8%的K 2 O,0〜6%的MgO,0〜4%的TiO 2和0〜3%的ZrO 2,条件是Al 2 O 3 + MgO + TiO 2为至少12%,Li 2 O + Na 2 O + K 2 O为16〜23%,其中,在含有B 2 O 3的情况下,其含量小于1%。 上述用于信息记录介质基板的玻璃,其中当玻璃在蒸气气氛中在120℃下在0.2MPa下放置20小时时,并且Li的量,Na的量和沉淀的K的量 玻璃的表面分别表示为CLi,CNa和CK,CNa为0.7nmol / cm 2以下,CLi + CNa + CK为3.5nmol / cm 3以下。
摘要:
The present invention provides a glass substrate for flat panel display in which yellowing occurring in a case of forming silver electrodes on glass substrate surface is inhibited.A glass substrate for flat panel display, which is formed by a float method, which has a composition consisting essentially of, in terms of oxide amount in mass %: SiO250 to 72%, Al2O30.15 to 15%, MgO + CaO + SrO + BaO4 to 30%, Na2Omore than 0% and at most 10%, K2O1 to 21%, Li2O0 to 1%, Na2O + K2O + Li2O6 to 25%, ZrO20 to 10%, and Fe2O30.0725 to 0.15%; and wherein the average Fe2+ content in a surface layer of the glass substrate within a depth of 10 μm from the a top surface is at most 0.0725% in terms of Fe2O3 amount.
摘要翻译:本发明提供了一种用于平板显示器的玻璃基板,其中在玻璃基板表面上形成银电极的情况下发生泛黄。 一种用于平板显示器的玻璃基板,其通过浮法形成,其组成基本上以氧化物质量%计:SiO 2 50至72%,Al 2 O 3 0.15至15%,MgO + CaO + SrO + BaO 4〜30%,Na 2 O大于0%,最多10%,K 2 O 1〜21%,Li 2 O 0〜1%,Na 2 O + K 2 O + Li 2 O 6〜25%,ZrO 2 0〜10%,Fe 2 O 3 0.0725〜 0.15%; 并且其中,与上表面相距10μm以下的玻璃基板的表层中的平均Fe 2+含量,以Fe 2 O 3换算为0.0725%以下。
摘要:
A float glass for a display substrate, characterized in that its composition consists essentially of, as represented by mass % based on oxide, from 52 to 62% of SiO2, from 5 to 15% of Al2O3, from more than 0% to 9% of MgO, from 3 to 12% of CaO, from 9 to 18% of SrO, from 0 to 13% of BaO, from 25 to 30% of MgO+CaO+SrO+BaO, from 6 to 14% of Na2O+K2O+Li2O, from 0 to 6% of ZrO2 and from 0 to 1% of SO3, the temperature of glass melt corresponding to the viscosity of 102 dPa·s is at most 1,520° C., the temperature of glass melt corresponding to the viscosity of 104 dPa·s is at most 1,120° C., the glass transition temperature is at least 610° C., and the specific gravity is at most 2.9.
摘要翻译:一种用于显示基板的浮法玻璃,其特征在于其组成基本上由以氧化物为基准的质量%表示,52至62%的SiO 2,5至15%的Al 2 O 3,大于0%至9% 的MgO,3〜12%的CaO,9〜18%的SrO,0〜13%的BaO,25〜30%的MgO + CaO + SrO + BaO,6〜14%的Na2O + K2O + Li 2 O,0〜6%的ZrO 2和0〜1%的SO 3,对应于粘度为102dPa·s的玻璃熔体的温度为1520℃以下,玻璃熔体的温度对应于粘度 104dPa·s为1100℃以下,玻璃化转变温度为610℃以上,比重为2.9以下。
摘要:
To provide a float glass for a display substrate, of which the high temperature viscosity is low, without impairing properties for a substrate glass for a display.A float glass for a display substrate, characterized in that its composition consists essentially of, as represented by mass % based on oxide, from 52 to 62% of SiO2, from 5 to 15% of Al2O3, from more than 0% to 9% of MgO, from 3 to 12% of CaO, from 9 to 18% of SrO, from 0 to 13% of BaO, from 25 to 30% of MgO+CaO+SrO+BaO, from 6 to 14% of Na2O+K2O+Li2O, from 0 to 6% of ZrO2 and from 0 to 1% of SO3, the temperature of glass melt corresponding to the viscosity of 102 dPa·s is at most 1,520° C., the temperature of glass melt corresponding to the viscosity of 104 dPa·s is at most 1,120° C., the glass transition temperature is at least 610° C., and the specific gravity is at most 2.9.
摘要翻译:为了提供高温粘度低的显示基板的浮法玻璃,而不损害显示器用基板玻璃的特性。 一种用于显示基板的浮法玻璃,其特征在于其组成基本上由以氧化物为基准的质量%表示,52至62%的SiO 2,5至15%的Al 2 O 3,大于0%至9% 的MgO,3〜12%的CaO,9〜18%的SrO,0〜13%的BaO,25〜30%的MgO + CaO + SrO + BaO,6〜14%的Na2O + K2O + Li 2 O,0〜6%的ZrO 2和0〜1%的SO 3,对应于粘度为102dPa.s的玻璃熔体的温度为至多1520℃,玻璃熔体的温度对应于粘度 的104dPa.s为1120℃以下,玻璃化转变温度为610℃以上,比重为2.9以下。
摘要:
To provide a glass for a display substrate which has solved yellowing problems. A glass plate for a display substrate, which contains at least one member selected from the group consisting of Ti, Mn, Zn, Y, Nb, La, Ce and W in an amount of from 0.1 to 10 mass % as calculated as oxides.
摘要:
To provide a process for producing and alkali free glass for effectively suppressing bubbles, and an alkali free glass produced by the process, which is suitable as a glass substrate for flat panel displays and has few bubbles.A process for producing an alkali free glass containing substantially no alkali metal oxide, which comprises melting a glass starting material having a matrix composition of the following composition, and subjecting the molten glass to a treatment process of removing bubbles under reduced pressure, stirring or transferring under a condition where the molten glass is in contact with a platinum member, wherein the starting material is prepared so as to contain SnO2 in an amount of from 0.01 to 2.0% per 100% of the total amount of the above matrix composition; the starting material is melted under heating at from 1,500 to 1,650° C.; then bubbles contained in the molten glass are permitted to rise to the surface of the molten glass, together with oxygen bubbles generated by a reduction reaction in which SnO2 in the molten glass is reduced to SnO; and in the above treatment process, the oxygen bubbles generated at the interface between the molten glass and the platinum member are permitted to be absorbed by an oxidation reaction in which SnO is oxidized to SnO2, under a condition where the molten glass is from 1,300 to 1,500° C.Composition as represented by the mass percentage: SiO258.4 to 66.0%, Al2O315.3 to 22.0%, B2O3 5.0 to 12.0%, MgO 0 to 6.5%, CaO 0 to 7.0%, SrO 4 to 12.5%, BaO 0 to 2.0%, MgO + CaO + SrO + BaO 9.0 to 18.0%.