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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℃
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公开(公告)号：US08349751B2
公开(公告)日：2013-01-08
申请号：US12769703
申请日：2010-04-29
申请人： Kensuke Nagai , Tetsuya Nakashima
发明人： Kensuke Nagai , Tetsuya Nakashima
IPC分类号： C03C3/087
摘要： A glass composition for substrates having good polishability while securing characteristics for FPD substrates, especially for PDP substrates, from which a glass substrate having excellent polishing workability and productivity can be obtained, is provided.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 0 to 4% of MgO, more than 5.5% and at most 12% of CaO, from 5 to 18% of SrO, from 0 to 13% of BaO, from 0.5 to 6% of ZrO2, from 0 to 10% of Na2O, from 0 to 15% of K2O, from 6 to 20% of Na2O+K2O, from 17 to 25% of MgO+CaO+SrO+BaO, and from 15 to 25% of CaO+SrO, as a glass matrix composition; and having a glass transition point of at least 600° C., an average thermal expansion coefficient of from 75×10−7 to 90×10−7/° C. within a range of from 50 to 350° C., and an abrasion resistance of at least 98.
摘要翻译： 本发明提供一种具有良好的抛光性的基板用玻璃组合物，同时确保了能够获得具有优异的研磨加工性和生产率的玻璃基板的FPD基板，特别是PDP基板的特性。 一种基材用玻璃组合物，其特征在于，以质量％计，以氧化物计，55〜75％的SiO 2，5〜15％的Al 2 O 3，0〜4％的MgO，5.5％以上，以及 至多12％的CaO，5〜18％的SrO，0〜13％的BaO，0.5〜6％的ZrO 2，0〜10％的Na 2 O，0〜15％的K 2 O，6〜 20％的Na 2 O + K 2 O，17〜25％的MgO + CaO + SrO + BaO和15〜25％的CaO + SrO作为玻璃基体组合物; 并且玻璃化转变点为至少600℃，平均热膨胀系数为75×10-7至90×10-7 /℃，范围为50至350℃，和 耐磨性至少为98。
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公开(公告)号：US20100210443A1
公开(公告)日：2010-08-19
申请号：US12769703
申请日：2010-04-29
申请人： Kensuke Nagai , Tetsuya Nakashima
发明人： Kensuke Nagai , Tetsuya Nakashima
IPC分类号： C03C3/087
摘要： A glass composition for substrates having good polishability while securing characteristics for FPD substrates, especially for PDP substrates, from which a glass substrate having excellent polishing workability and productivity can be obtained, is provided.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 0 to 4% of MgO, more than 5.5% and at most 12% of CaO, from 5 to 18% of SrO, from 0 to 13% of BaO, from 0.5 to 6% of ZrO2, from 0 to 10% of Na2O, from 0 to 15% of K2O, from 6 to 20% of Na2O+K2O, from 17 to 25% of MgO+CaO+SrO+BaO, and from 15 to 25% of CaO+SrO, as a glass matrix composition; and having a glass transition point of at least 600° C., an average thermal expansion coefficient of from 75×10−7 to 90×10−7/° C. within a range of from 50 to 350° C., and an abrasion resistance of at least 98.
摘要翻译： 本发明提供一种具有良好的抛光性的基板用玻璃组合物，同时确保了能够获得具有优异的研磨加工性和生产率的玻璃基板的FPD基板，特别是PDP基板的特性。 一种基材用玻璃组合物，其特征在于，以质量％计，以氧化物计，55〜75％的SiO 2，5〜15％的Al 2 O 3，0〜4％的MgO，5.5％以上，以及 至多12％的CaO，5〜18％的SrO，0〜13％的BaO，0.5〜6％的ZrO 2，0〜10％的Na 2 O，0〜15％的K 2 O，6〜 20％的Na 2 O + K 2 O，17〜25％的MgO + CaO + SrO + BaO和15〜25％的CaO + SrO作为玻璃基体组合物; 并且玻璃化转变点为至少600℃，平均热膨胀系数为75×10-7至90×10-7 /℃，范围为50至350℃，和 耐磨性至少为98。
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14.发明授权Glass for information recording medium substrate, glass substrate for information recording medium and magnetic disk 有权用于信息记录介质基板的玻璃，用于信息记录介质的玻璃基板和磁盘公开(公告)号：US08168313B2
公开(公告)日：2012-05-01
申请号：US12724570
申请日：2010-03-16
CPC分类号： G11B5/7315 , C03C3/085 , C03C3/087
摘要： A glass for an information recording medium substrate, which comprises, as represented by mol % based on the following oxides, from 61 to 72% of SiO2, from 3 to 11% of Al2O3, from 0 to 14.3% of Li2O, from 0 to 22% of Na2O, from 0 to 22% of K2O, from 4 to 13% of MgO, from 0 to 6% of TiO2 and from 0 to 5% of ZrO2, provided that the total content of Li2O, Na2O and K2O (R2O) is from 10 to 22%, and (a) the ratio of the content of Li2O to R2O (Li2O/R2O) is at most 0.52, (b) the ratio of the content of Na2O to R2O (Na2O/R2O) is at least 0.35, or (c) the ratio of the content of K2O to R2O (K2O/R2O) is at least 0.45.
摘要翻译： 一种用于信息记录介质基材的玻璃，其以以下氧化物的摩尔％表示，SiO 2为61至72％，Al 2 O 3为3至11％，Li 2 O 0至14.3％，为0至 22％的Na2O，0〜22％的K2O，4〜13％的MgO，0〜6％的TiO2和0〜5％的ZrO2，条件是Li2O，Na2O和K2O（R2O）的总含量 ）为10〜22％，（a）Li 2 O与R 2 O（Li 2 O / R 2 O）的含量比例为0.52以下，（b）Na2O与R2O的含量比（Na2O / R2O）为 至少0.35，或（c）K2O与R2O（K2O / R2O）的含量之比至少为0.45。
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15.发明申请GLASS FOR INFORMATION RECORDING MEDIUM SUBSTRATE, GLASS SUBSTRATE FOR INFORMATION RECORDING MEDIUM AND MAGNETIC DISK 有权用于信息记录介质基板的玻璃，用于记录介质和磁盘的玻璃基板公开(公告)号：US20100255350A1
公开(公告)日：2010-10-07
申请号：US12724570
申请日：2010-03-16
CPC分类号： G11B5/7315 , C03C3/085 , C03C3/087
摘要： To provide glass for an information recording medium substrate, which is excellent in the acid resistance and weather resistance.Glass for an information recording medium substrate, which comprises, as represented by mol % based on the following oxides, from 61 to 72% of SiO2, from 3 to 12% of Al2O3, from 0 to 14.3 of Li2O, from 0 to 22% of Na2O, from 0 to 22% of K2O, from 4 to 13% of MgO, from 0 to 6% of TiO2 and from 0 to 5% of ZrO2, provided that the total content of Li2O, Na2O and K2O (R2O) is from 8 to 22%, the ratio of the content of Li2O to R2O (Li2O/R2O) is at most 0.52, the ratio of the content of Na2O to R2O (Na2O/R2O) is at least 0.35, or the ratio of the content of K2O to R2O (K2O/R2O) is at least 0.45.
摘要翻译： 提供耐酸性和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，其以以下氧化物的摩尔％表示，SiO 2为61〜72％，Al 2 O 3为12〜12，Li 2 O 0〜14.3，0〜22重量％ 的Na2O，0〜22％的K2O，4〜13％的MgO，0〜6％的TiO2和0〜5％的ZrO2，条件是Li2O，Na2O和K2O（R2O）的总含量为 8〜22％，Li 2 O与R 2 O（Li 2 O / R 2 O）的含量比例为0.52以下，Na2O与R2O的含量比（Na2O / R2O）为0.35以上， 的K2O至R2O（K2O / R2O）为至少0.45。
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公开(公告)号：US08691711B2
公开(公告)日：2014-04-08
申请号：US13115626
申请日：2011-05-25
申请人： Tetsuya Nakashima , Seiki Ohara , Tatsuo Nagashima
发明人： Tetsuya Nakashima , Seiki Ohara , Tatsuo Nagashima
CPC分类号： C03C3/085 , C03C3/083 , C03C3/087 , C03C21/002
摘要： 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%.
摘要翻译： 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％。
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17.发明申请METHOD FOR MANUFACTURING GLASS SUBSTRATE FOR DATA STORAGE MEDIUM AND GLASS SUBSTRATE 审中-公开用于制造数据存储介质和玻璃基板的玻璃基板的方法公开(公告)号：US20110135963A1
公开(公告)日：2011-06-09
申请号：US12961838
申请日：2010-12-07
CPC分类号： G11B5/8404 , C03C3/083 , C03C3/085 , C03C3/087 , C03C21/002 , G11B5/7315
摘要： 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.
摘要翻译： 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
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18.发明授权Glass for information recording media substrate, glass substrate for magnetic disk and magnetic disk 有权用于信息记录介质基板的玻璃，用于磁盘和磁盘的玻璃基板公开(公告)号：US08119268B2
公开(公告)日：2012-02-21
申请号：US12881236
申请日：2010-09-14
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。
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公开(公告)号：US20060068209A1
公开(公告)日：2006-03-30
申请号：US11280258
申请日：2005-11-17
申请人： Motoyuki Hirose , Tetsuya Nakashima , Kei Maeda
发明人： Motoyuki Hirose , Tetsuya Nakashima , Kei Maeda
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.
摘要翻译： 为了提供解决黄变问题的显示基板用玻璃。 一种用于显示基板的玻璃板，其含有选自Ti，Mn，Zn，Y，Nb，La，Ce和W中的至少一种，其量为0.1至10质量％，以氧化物计。
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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
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。
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