公开(公告)号：US20110251044A1

公开(公告)日：2011-10-13

申请号：US13163820

申请日：2011-06-20

申请人： Kensuke NAGAI ,  Yuichi Kuroki ,  Kei Maeda

发明人： Kensuke NAGAI ,  Yuichi Kuroki ,  Kei Maeda

IPC分类号： C03C3/087 ,  C03B18/02

CPC分类号： C03B18/18 ,  C03B18/20 ,  C03C3/087 ,  H01J9/241 ,  H01J11/34

摘要： To provide a glass substrate which has a high glass transition temperature, which has a thermal expansion coefficient close to that of soda lime glass, which has a low specific gravity, which will hardly undergo yellowing, and which further has good melting characters and is thereby produced with high productivity.A glass substrate which has a composition comprising, as represented by mass percentage based on oxides, SiO2  55 to 65%, Al2 O3  4 to 8%, MgO  6 to 9%, CaO 0.1 to 5%, SrO 0.5 to 6%, BaO  0 to 2%, MgO + CaO + SrO + BaO 6.6 to 19%, Na2 O  0 to 5%, K2 O 9.5 to 21%, Na2 O + K2 O  10 to 22%, ZrO2 0.5 to 5%, Fe2 O30.06 to 0.15%, which has a specific gravity of at most 2.7, which has an average thermal expansion coefficient from 50 to 350° C. of from 80×10−7/° C. to 90×107/° C., which has a glass transition temperature of at least 640° C., and wherein when the viscosity is η, the temperature at which log η=2 is satisfied is at most 1,550° C., and the yellow coloring b* on the glass surface is at most 8.

摘要翻译： 为了提供玻璃化转变温度高的玻璃化转变温度，该玻璃基板的热膨胀系数接近钠钙玻璃的热膨胀系数，该玻璃化转变温度比较低，难以发生变黄，并且还具有良好的熔融特性 生产效率高。 一种玻璃基板，其组成为以氧化物的质量百分比表示，SiO 2 55〜65％，Al 2 O 3 4〜8％，MgO 6〜9％，CaO 0.1〜5％，SrO 0.5〜6％，BaO 0至2％，MgO + CaO + SrO + BaO 6.6至19％，Na 2 O 0至5％，K 2 O 9.5至21％，Na 2 O + K 2 O 10至22％，ZrO 2 0.5至5％，Fe 2 O 3 0.06 至0.15％，其比重至多为2.7，其平均热膨胀系数为50〜350℃，为80×10-7 /℃至90×107 /℃，具有 玻璃化转变温度至少为640℃，并且其中当粘度为＆amp; g时，满足log＆eggr = 2的温度为至多1550℃，玻璃表面上的黄色着色b * 最多8。

公开(公告)号：US20120149544A1

公开(公告)日：2012-06-14

申请号：US13342592

申请日：2012-01-03

申请人： Kensuke NAGAI ,  Yuichi Kuroki ,  Manabu Nishizawa ,  Tomoyuki Tsujimura

发明人： Kensuke NAGAI ,  Yuichi Kuroki ,  Manabu Nishizawa ,  Tomoyuki Tsujimura

IPC分类号： C03C3/091 ,  C03C3/087 ,  C03C3/093

CPC分类号： C03C3/087 ,  C03C1/00 ,  C03C3/091 ,  C03C3/093 ,  G02F2001/133302

摘要： The present invention provides an alkali-free glass having a high strain point, a low viscosity and low devitrification, which is easily subjected to float molding and fusion molding. The glass herein has 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 T2 at which a glass viscosity becomes 102 dPa·s of 1,710° C. or lower, a temperature T4 at which a glass viscosity becomes 104 dPa·s of 1,330° C. or lower, a glass surface devitrification temperature (Tc) of 1,330° C. or lower, and a glass internal devitrification temperature (Td) of 1,330° C. or lower.

摘要翻译： 本发明提供一种易于进行浮法成型和熔融成型的具有高应变点，低粘度和低失透性的无碱玻璃。 这里的玻璃的应变点为725℃以上，50〜300℃的平均热膨胀系数为30×10 -7〜40×10 -7 /℃，温度T2为 玻璃粘度变为102dPa·s为1710℃以下，玻璃粘度为104dPa·s的温度T4为1330℃以下，玻璃表面失透温度（Tc）为1330℃， 玻璃内部失透温度（Td）为1330℃以下。

公开(公告)号：US20090253567A1

公开(公告)日：2009-10-08

申请号：US12437739

申请日：2009-05-08

申请人： Kensuke NAGAI ,  Tetsuya NAKASHIMA ,  Kei MAEDA ,  Ryoji AKIYAMA ,  Akira KONDO ,  Daiki AKIE

发明人： Kensuke NAGAI ,  Tetsuya NAKASHIMA ,  Kei MAEDA ,  Ryoji AKIYAMA ,  Akira KONDO ,  Daiki AKIE

IPC分类号： C03C3/087 ,  G02B5/00

CPC分类号： H01J29/863 ,  C03B18/20 ,  C03C3/087 ,  H01J9/241 ,  H01J11/10 ,  H01J11/34 ,  H01J2329/8615 ,  Y02P40/57

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 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。

公开(公告)号：US20090137379A1

公开(公告)日：2009-05-28

申请号：US12267638

申请日：2008-11-10

申请人： Kensuke NAGAI ,  Tetsuya Nakashima ,  Kei Maeda

发明人： Kensuke NAGAI ,  Tetsuya Nakashima ,  Kei Maeda

IPC分类号： C03C3/087 ,  C03B18/02

CPC分类号： H01J11/34 ,  C03C3/087 ,  H01J11/10

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。

公开(公告)号：US20120289394A1

公开(公告)日：2012-11-15

申请号：US13547529

申请日：2012-07-12

申请人： Kensuke NAGAI ,  Yuichi Suzuki ,  Terutaka Maehara

发明人： Kensuke NAGAI ,  Yuichi Suzuki ,  Terutaka Maehara

IPC分类号： C03C4/02 ,  C03C3/076 ,  C03C3/089 ,  C03C3/091 ,  C03C3/064 ,  C03C3/085 ,  C03C3/087 ,  C03C3/078 ,  C03C3/062 ,  C03C3/04 ,  C03C3/083

CPC分类号： C03C3/087 ,  C03C4/02

摘要： To provide a colored glass plate, which uses sodium sulfate (Na2SO3) as a refining agent and which is capable of stably maintaining the mass percentage of divalent iron calculated as Fe2O3 in the total iron calculated as Fe2O3 at a high level, while suppressing development of an amber color that is derived from sodium sulfate. A colored glass plate made of alkali-containing silica glass containing elements of iron, tin and sulfur, wherein the percentage of the total sulfur calculated as SO3 is at least 0.025% as represented by mass percentage based on oxides, the percentage of divalent iron calculated as Fe2O3 in the total iron calculated as Fe2O3 is from 60 to 80% as represented by mass percentage, and the percentage of divalent tin calculated as SnO2 in the total tin calculated as SnO2 is at least 0.1% as represented by mol percentage.

摘要翻译： 提供一种使用硫酸钠（Na 2 SO 3）作为澄清剂的彩色玻璃板，其能够稳定地维持以Fe 2 O 3计算的总铁中以Fe 2 O 3计算的二价铁的质量百分比，并以高水平计算，同时抑制 来自硫酸钠的琥珀色。 由含有铁，锡和硫元素的含碱性硅玻璃制成的彩色玻璃板，其中以SO 3计算的总硫的百分比为0.025％，以氧化物为基准的质量百分比表示，计算的二价铁的百分比 以Fe 2 O 3计算的总铁中的Fe 2 O 3以质量百分比表示为60〜80％，以SnO 2计的总锡中计算的二价锡的百分比以摩尔百分比表示为至少0.1％。