Abstract:
Glass for a display device, which comprises, as represented by mole percentage based on the following oxides, from 61 to 72% of SiO2, from 8 to 17% of Al2O3, from 6 to 18% of Li2O, from 2 to 15% of Na2O, from 0 to 8% of K2O, from 0 to 6% of MgO, from 0 to 6% of CaO, from 0 to 4% of TiO2, and from 0 to 2.5% of ZrO2, and having a total content R2O of Li2O, Na2O and K2O of from 15 to 25%, a ratio Li2O/R2O of the Li2O content to R2O of from 0.35 to 0.8, and a total content of MgO and CaO of from 0 to 9%.
Abstract translation:用于显示装置的玻璃,其包含以下列氧化物的摩尔百分数表示,SiO 2为61至72%,Al 2 O 3为8至17%,Li 2 O 6为18至18%,SiO 2为2至15% Na 2 O,0〜8%的K 2 O,0〜6%的MgO,0〜6%的CaO,0〜4%的TiO 2和0〜2.5%的ZrO 2, Li 2 O,Na 2 O和K 2 O的比例为15〜25%,Li 2 O含量与R 20的Li 2 O / R 20的比例为0.35〜0.8,MgO和CaO的总含量为0〜9%。
Abstract:
A glass composition for substrates excellent in productivity is provided by lowering the high temperature viscosity while securing characteristics and quality required for FPD substrates, particularly for PDP substrates. A glass composition for substrates, which is characterized by comprising, as represented by mass% based on oxides, from 55 to 75% of SiO2, from 5 to 15% of Al2O3, from 4 to 18% of MgO, from 3 to 12% of CaO, from 4 to 18% of SrO, from 0 to 20% of BaO, from 6 to 20% of Na2O+K2O, from 0.5 to 6% of ZrO2 and from 18 to 25% of MgO+CaO+SrO+BaO, as a glass matrix composition, and containing from 0.001 to 0.6% of SO3, and which is further characterized in that when the viscosity is represented by η, the temperature satisfying logη=2 is at most 1,545° C. and the devitrification temperature is at most the temperature satisfying logη=4, the thermal expansion coefficient is from 75×10−7 to 90×10−7/° C., the specific gravity is at most 2.8, and the glass transition point is at least 600° C.
Abstract translation:通过在确保FPD基板,特别是对于PDP基板所需的特性和质量的同时降低高温粘度来提供生产率优异的基板用玻璃组合物。 一种基材用玻璃组合物,其特征在于,以质量%为基准,以氧化物计,55〜75%的SiO 2,5〜15%的Al 2 O 3,4〜18%的MgO,3〜12% 的CaO,4〜18%的SrO,0〜20%的BaO,6〜20%的Na 2 O + K 2 O,0.5〜6%的ZrO 2和18〜25%的MgO + CaO + SrO + BaO ,作为玻璃基质组合物,含有0.001〜0.6%的SO 3,其特征还在于当粘度由&eegr表示时,满足log&eegr = 2的温度为至多1545℃,失透 温度至多满足log&eggr = 4,热膨胀系数为75×10-7〜90×10-7 /℃,比重为2.8以下,玻璃化转变点为至少 600℃
Abstract:
To provide a method for producing a magnetic disk, whereby a magnetic recording layer is formed at a high temperature. A method for producing a magnetic disk, which comprises a step of forming a magnetic recording layer on a glass substrate having a temperature of at least 550° C., wherein the glass substrate comprises, as represented by mol percentage, from 62 to 74% of SiO2, from 6 to 18% of Al2O3, from 2 to 15% of B2O3 and from 8 to 21%, in total, of at least one component selected from MgO, CaO, SrO and BaO, provided that the total content of the above seven components is at least 95%, and further contains less than 1%, in total, of at least one component selected from Li2O, Na2O and K2O, or contains none of these three components.
Abstract translation:提供一种制造磁盘的方法,由此在高温下形成磁记录层。 一种制造磁盘的方法,包括在温度至少为550℃的玻璃基板上形成磁记录层的步骤,其中所述玻璃基板包含以摩尔百分比表示的62至74% 的SiO 2,6〜18%的Al 2 O 3,2〜15%的B 2 O 3和8〜21%的至少1种选自MgO,CaO,SrO和BaO的组分, 上述七种成分为至少95%,进一步含有少于1%的至少一种选自Li 2 O,Na 2 O和K 2 O的成分,或不含这三种成分。
Abstract:
To provide glass to be used for a substrate which is, as a substrate, less susceptible to surface roughening even if subjected to cleaning by means of a strongly acidic solution.Glass for a substrate, which comprises, as represented by mol % based on the following oxides, from 62.5 to 69% of SiO2, from 9 to 15.5% of Al2O3, from 8 to 16 of Li2O, from 0 to 8% of Na2O, from 0 to 7% of K2O and from 0 to 3.5% of ZrO2, provided that SiO2—Al2O3 is at least 53.3%, Li2O+Na2O+K2O is from 17 to 24%, and the total of contents of the above six components is at least 97%.
Abstract translation:为了提供用作基板的玻璃,作为基板,即使经受强酸溶液的清洗也不太容易受到表面粗糙化的影响。 用于底物的玻璃,其以由以下氧化物的摩尔%表示,为62.5至69%的SiO 2,9至15.5%的Al 2 O 3,8至16的Li 2 O,0至8%的Na 2 O, 0〜7%的K 2 O和0〜3.5%的ZrO 2,只要SiO 2 -Al 2 O 3为至少53.3%,Li 2 O + Na 2 O + K 2 O为17〜24%,上述6种成分的总和为 至少97%。
Abstract:
The present invention relates to a method for manufacturing a glass substrate for data storage mediums, the method including a chemical strengthening treatment step of dipping a glass for a substrate including, in terms of mol % on the basis of oxides, from 58 to 66% of SiO2, from 9 to 15% of Al2O3, from 7 to 15% of Li2O and from 2 to 9% of Na2O, provided that Li2O+Na2O is from 13 to 21%, in a mixed molten salt to form a compressive layer on front and back surfaces of the glass for a substrate, in which the mixed molten salt includes, in terms of mass percent, from 1 to 7.5% of lithium nitrate, from 28 to 55% of sodium nitrate and from 40 to 69% of potassium nitrate.
Abstract translation:本发明涉及用于数据存储介质的玻璃基板的制造方法,该方法包括:将基于氧化物的摩尔%换算为58〜66%的用于浸渍基板用玻璃的化学强化处理工序, 的SiO 2,9〜15%的Al 2 O 3,7〜15%的Li 2 O和2〜9%的Na 2 O,条件是Li 2 O + Na 2 O为13〜21%,在混合熔融盐中形成压缩层 用于基材的玻璃的前表面和后表面,其中混合熔盐以质量%计含有1至7.5%的硝酸锂,28至55%的硝酸钠和40至69%的钾 硝酸盐
Abstract:
To provide a process to improve acid resistance of a glass substrate for an information recording medium.A process for producing a glass substrate for an information recording medium, comprising processing a glass formed into a plate by a float process, a down-draw method or a press method, wherein, in cooling of the glass in the last step where the glass has a temperature of at least its strain point, the time during which the glass temperature is at least its strain point and at most a temperature where the glass viscosity is 1010 dPa·s is at least 13 minutes.
Abstract:
A wiper controlling apparatus capable of discriminating between a signal change at the time of a wiper blade passage and that at the time of a raindrop impact so as to allow a wiper control promptly responding to the change in the condition of the sensing surface is provided. An estimating part (6) includes a displacement status data generating part (61) that calculates displacement status data representing a displacement status of the output signal of the photo-detector respectively based on a plurality of sampling data trains obtained at plural kinds of sampling periods in both of a period in which the wiper is in operation and a period in which the wiper is not in operation, a pattern data storing part (64) that stores in advance respective displacement status pattern data representing a displacement status of the output signal of the photo-detector when a lying object or a contact object is present on the sensing surface and when a wiper blade passes over the sensing surface, and a matching part (62) that compares the displacement status data calculated by the displacement status data generating part (61) with the displacement status pattern data in the pattern data storing part (64) and outputs the estimation result signal representing the condition of the sensing surface.
Abstract:
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%.
Abstract translation: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%。
Abstract:
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 top surface is at most 0.0725% in terms of Fe2O3 amount.
Abstract translation: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,与上表面相比,10μm深度的玻璃基板的表层中的平均Fe 2+含量,以Fe 2 O 3量换算为0.0725%以下。
Abstract:
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%.
Abstract translation: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%。