公开(公告)号：US08563149B2

公开(公告)日：2013-10-22

申请号：US12716467

申请日：2010-03-03

申请人： Tatsuo Nagashima ,  Kensuke Nagai ,  Tetsuya Nakashima ,  Kei Maeda

发明人： Tatsuo Nagashima ,  Kensuke Nagai ,  Tetsuya Nakashima ,  Kei Maeda

IPC分类号： G11B5/706 ,  C03C3/23

CPC分类号： G11B5/7315 ,  C03C3/095

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％。

公开(公告)号：US20100330396A1

公开(公告)日：2010-12-30

申请号：US12881236

申请日：2010-09-14

申请人： Tetsuya NAKASHIMA ,  Kei Maeda ,  Noriaki Shimodaira ,  Atsuyoshi Takenaka

发明人： Tetsuya NAKASHIMA ,  Kei Maeda ,  Noriaki Shimodaira ,  Atsuyoshi Takenaka

IPC分类号： G11B5/62

CPC分类号： G11B5/7315 ,  C03C3/083 ,  C03C3/085 ,  C03C4/20 ,  Y10T428/31 ,  Y10T428/315

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。

公开(公告)号：US20090110963A1

公开(公告)日：2009-04-30

申请号：US12256172

申请日：2008-10-22

申请人： Tetsuya NAKASHIMA ,  Kei Maeda ,  Noriaki Shimodaira ,  Atsuyoshi Takenaka

发明人： Tetsuya NAKASHIMA ,  Kei Maeda ,  Noriaki Shimodaira ,  Atsuyoshi Takenaka

IPC分类号： G11B5/73 ,  C03C3/093 ,  C03C3/091 ,  C03C3/085 ,  C03C3/087

CPC分类号： G11B5/7315 ,  C03C3/083 ,  C03C3/085 ,  C03C4/20 ,  Y10T428/31 ,  Y10T428/315

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。

公开(公告)号：US20100137122A1

公开(公告)日：2010-06-03

申请号：US12699944

申请日：2010-02-04

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： H01J5/04 ,  C03C3/087 ,  H01J2217/49264

摘要： 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 q, 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.

摘要翻译： 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q表示时，满足log＆eggr = 2的温度为至多1,545℃，失透温度 至多满足log＆eegr = 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600以上 C。

公开(公告)号：US06940220B2

公开(公告)日：2005-09-06

申请号：US10756508

申请日：2004-01-14

申请人： Tetsuya Nakashima ,  Kei Maeda

发明人： Tetsuya Nakashima ,  Kei Maeda

IPC分类号： C03C3/062 ,  C03C8/02 ,  H01J9/24 ,  H01J29/86 ,  H01J1/62 ,  C03C3/076 ,  C03C3/078 ,  C03C3/095

CPC分类号： C03C8/02 ,  C03C3/062 ,  H01J9/242 ,  H01J29/864 ,  H01J2329/864

摘要： Glass comprises essentially 20-70% SiO2, 10-50% TiO2+Nb2O5+SnO2+Ta2O5+WO3+CeO2, 0-50% MgO+CaO+SrO+BaO+ZnO, and 0-30% B2O3+Al2O3, in molar percentage terms based on the oxides; and has a resistivity of at most 1015 Ω·cm at 20° C. A method for production of glass is to produce the glass under such a condition that a redox represented by [Fe2+]/([Fe2+]+[Fe3+]) where Fe is present in the glass, is at least 0.6.

摘要翻译： 玻璃包含基本上为20-70％的SiO 2，10-50％TiO 2 + Nb 2 O 5+ + 2 O + 2 + O 2 + O 3 + C 2 O 2，O 0 -50％MgO + CaO + SrO + BaO + ZnO和0-30％B 2 O 3 + 3 + 2 O 2 3摩尔百分数，基于氧化物; 并且在20℃下具有至多10±15cm的电阻率。玻璃的制造方法是在这样的条件下制造玻璃，即由[Fe 2+ +（Fe 2+ + + Fe 3+）]其中Fe存在于玻璃中的至少为0.6。

公开(公告)号：US06297182B1

公开(公告)日：2001-10-02

申请号：US09358421

申请日：1999-07-22

申请人： Kei Maeda ,  Seiki Ohara ,  Tetsuya Nakashima ,  Yasumasa Nakao

发明人： Kei Maeda ,  Seiki Ohara ,  Tetsuya Nakashima ,  Yasumasa Nakao

IPC分类号： C03C3091

CPC分类号： C03C3/091 ,  C03C3/093

摘要： A glass for a substrate consisting essentially of: SiO2 45 to 65 wt %, Al2O3 6 to 20 wt %, B2O3 0.5 to 6 wt %, MgO 2 to 5 wt %, CaO 1 to 10 wt %, SrO 0 to 6.5 wt %, BaO 0 to 2 wt %, MgO + CaO + SrO + BaO 10 to 17 wt %, ZrO2 0 to 7 wt %, and Na2O + K2O 7 to 15 wt %.

摘要翻译： 用于基材组成的基材的玻璃

公开(公告)号：US20110152058A1

公开(公告)日：2011-06-23

申请号：US12716467

申请日：2010-03-03

申请人： Tatsuo NAGASHIMA ,  Kensuke Nagai ,  Tetsuya Nakashima ,  Kei Maeda

发明人： Tatsuo NAGASHIMA ,  Kensuke Nagai ,  Tetsuya Nakashima ,  Kei Maeda

IPC分类号： C03C3/095

CPC分类号： G11B5/7315 ,  C03C3/095

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％。

公开(公告)号：US07838136B2

公开(公告)日：2010-11-23

申请号：US12256172

申请日：2008-10-22

申请人： Tetsuya Nakashima ,  Kei Maeda ,  Noriaki Shimodaira ,  Atsuyoshi Takenaka

发明人： Tetsuya Nakashima ,  Kei Maeda ,  Noriaki Shimodaira ,  Atsuyoshi Takenaka

IPC分类号： G11B5/73 ,  C03C3/087

CPC分类号： G11B5/7315 ,  C03C3/083 ,  C03C3/085 ,  C03C4/20 ,  Y10T428/31 ,  Y10T428/315

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。

公开(公告)号：US07803472B2

公开(公告)日：2010-09-28

申请号：US12477285

申请日：2009-06-03

申请人： Kensuke Nagai ,  Tetsuya Nakashima ,  Kei Maeda ,  Tatsuo Nagashima

发明人： Kensuke Nagai ,  Tetsuya Nakashima ,  Kei Maeda ,  Tatsuo Nagashima

IPC分类号： G11B5/64 ,  C03C21/00

CPC分类号： G11B5/7315 ,  C03C3/085 ,  C03C3/087 ,  G11B7/2531 ,  Y10T428/24355

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.

摘要翻译： 为了提供一种数据存储介质的基板玻璃，即使在不进行诸如化学强化处理的附加处理并且不易发生白化现象并且玻璃化转变温度至少为680℃并且是 耐酸性好。 用于数据存储介质的基板玻璃，其以质量％表示，SiO 2为47至60％，Al 2 O 3为8至20％，MgO为0至8％，CaO为0至6％， 1〜18％的SrO，0〜13％的BaO，1〜6％的TiO 2，1〜5％的ZrO 2，2〜8％的Na 2 O和1〜15％的K 2 O， 玻璃化转变温度至少为680℃

公开(公告)号：US08377834B2

公开(公告)日：2013-02-19

申请号：US12699944

申请日：2010-02-04

申请人： Kensuke Nagai ,  Tetsuya Nakashima ,  Kei Maeda

发明人： Kensuke Nagai ,  Tetsuya Nakashima ,  Kei Maeda

IPC分类号： C03C3/087

CPC分类号： H01J5/04 ,  C03C3/087 ,  H01J2217/49264

摘要： 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.

摘要翻译： 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℃