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公开(公告)号：US20150191394A1
公开(公告)日：2015-07-09
申请号：US14661840
申请日：2015-03-18
申请人： AvanStrate Inc. , HOYA CORPORATION
摘要： The disclosed cover glass is produced by etching a glass substrate that has been formed by a down-drawing process, and chemically strengthening the glass substrate to provide the glass substrate with a compressive-stress layer on the principal surfaces thereof. The glass substrate contains, as components thereof, 50% to 70% by mass of SiO2, 5% to 20% by mass of Al2O3, 6% to 30% by mass of Na2O, and 0% to less than 8% by mass of Li2O. The glass substrate may also contain 0% to 2.6% by mass of CaO, if necessary. The glass substrate has an etching characteristic in which the etching rate is at least 3.7 μm/minute in an etching environment having a temperature of 22° C. and containing hydrogen fluoride with a concentration of 10% by mass.
摘要翻译： 所公开的盖玻璃通过蚀刻通过下拉法形成的玻璃基板，并化学强化玻璃基板，以在玻璃基板的主表面上提供压应力层来制造。 玻璃基板作为其成分含有50〜70质量％的SiO 2，5〜20质量％的Al 2 O 3，6〜30质量％的Na 2 O，0〜8质量％ Li2O。 如果需要，玻璃基板也可以含有0〜2.6质量％的CaO。 玻璃基板具有蚀刻特性，其中在温度为22℃的蚀刻环境中蚀刻速率至少为3.7μm/分钟，并且含有浓度为10质量％的氟化氢。
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2.发明授权公开(公告)号：US09029280B2
公开(公告)日：2015-05-12
申请号：US13537906
申请日：2012-06-29
申请人： Akihiro Koyama , Satoshi Ami , Manabu Ichikawa
发明人： Akihiro Koyama , Satoshi Ami , Manabu Ichikawa
摘要： A substrate for p-Si TFT flat panel displays made of a glass having a high low-temperature-viscosity characteristic temperature and manufactured while avoiding erosion/wear of a melting tank during melting through direct electrical heating. The glass substrate comprises 52-78 mass % of SiO2, 3-25 mass % of Al2O3, 3-15 mass % of B2O3, 3-20 mass % of RO, wherein RO is total amount of MgO, CaO, SrO, and BaO, 0.01-0.8 mass % of R2O, wherein R2O is total amount of Li2O, Na2O, and K2O, and 0-0.3 mass % of Sb2O3, and substantially does not comprise As2O3, wherein the mass ratio CaO/RO is equal to or greater than 0.65, the mass ratio (SiO2+Al2O3)/B2O3 is in a range of 7-30, and the mass ratio (SiO2+Al2O3)/RO is equal to or greater than 5. A related method involves melting glass raw materials blended to provide the glass composition; a forming step of forming the molten glass into a flat-plate glass; and an annealing step of annealing the flat-plate glass.
摘要翻译： 一种用于由具有高低温粘度特性温度的玻璃制成的p-Si TFT平板显示器的基板，并且在通过直接电加热熔化期间避免熔化槽的侵蚀/磨损而制造。 所述玻璃基板包含52-78质量％的SiO 2，3-25质量％的Al 2 O 3，3-15质量％的B 2 O 3，3-20质量％的RO，其中RO是MgO，CaO，SrO和BaO的总量 ，0.01-0.8质量％的R 2 O，其中，R 2 O为Li 2 O，Na 2 O，K 2 O的总量，Sb 2 O 3为0〜0.3质量％，基本上不包含As 2 O 3，CaO / （SiO2 + Al2O3）/ B2O3的质量比（SiO 2 + Al 2 O 3）/ B 2 O 3在7〜30的范围内，质量比（SiO 2 + Al 2 O 3）/ RO等于或大于5.相关方法包括将玻璃原料混合 提供玻璃组成; 将熔融玻璃形成平板玻璃的成形工序; 以及退火平板玻璃的退火步骤。
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公开(公告)号：US08938992B2
公开(公告)日：2015-01-27
申请号：US13620152
申请日：2012-09-14
申请人： Hiroyuki Kariya , Takayuki Shimizu , Mikio Kimori
发明人： Hiroyuki Kariya , Takayuki Shimizu , Mikio Kimori
IPC分类号： C03B17/06
CPC分类号： C03B17/064 , C03B17/067
摘要： A method of manufacturing a glass sheet according to the present invention comprises the steps of creating split flows of molten glass in a forming body 10 and causing the molten glass to flow down, subsequently merging the flows at a merging point to form a glass sheet G and causing the glass sheet to flow downward in the vertical direction. In this method of manufacturing a glass sheet, a partition member 20 is disposed facing the glass sheet G in the vicinity of a location below the forming body 10, and a facing surface of the partition member 20 is shaped so as to correspond to a sheet thickness variation of the glass sheet G, so that a gap between the glass sheet G and the partition member 20 is substantially uniform.
摘要翻译： 根据本发明的制造玻璃板的方法包括以下步骤：在成形体10中产生熔融玻璃的分流并使熔融玻璃向下流动，随后在合并点处合流以形成玻璃板G 并使玻璃板沿垂直方向向下流动。 在这种制造玻璃板的方法中，在成形体10的下方的位置附近配置有与玻璃板G相对的分隔部件20，并且分隔部件20的对置面成形为与片材 玻璃板G的厚度变化，玻璃板G与分隔部件20之间的间隙大致均匀。
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公开(公告)号：US20140013805A1
公开(公告)日：2014-01-16
申请号：US13522405
申请日：2012-03-27
IPC分类号： C03B17/06
CPC分类号： C03B17/067 , C03B17/064 , C03B25/12 , C03C3/091
摘要： The method for producing a glass sheet by down-drawing includes an air pressure controlling step of controlling the air pressure of a furnace outside space formed between a furnace and a covering part that covers the furnace, the furnace including a forming furnace and a lehr, a melting step of melting glass raw materials to form molten glass, a supplying step of supplying the molten glass to a forming cell disposed inside the forming furnace, a forming step of forming a glass sheet by allowing the molten glass to flow down the forming cell, an annealing step of cooling the glass sheet while allowing the glass sheet to flow in one direction in the lehr, and a cutting step of cutting the glass sheet that has been cooled. In the air pressure controlling step, air pressure is controlled such that the air pressure is higher, inside the furnace outside space, at a position more toward the upstream side of the flow direction of the glass sheet.
摘要翻译： 通过下拉来制造玻璃板的方法包括：空气压力控制步骤，其控制在炉和覆盖炉的覆盖部之间形成的炉外空间的空气压力，所述炉包括成型炉和退火炉， 熔融玻璃原料以形成熔融玻璃的熔融步骤，将熔融玻璃供给到设置在成形炉内部的成形单元的供给步骤，通过使熔融玻璃从成形槽流下来形成玻璃板的成膜工序; ，在玻璃板在玻璃板中沿一个方向流动的同时冷却玻璃板的退火步骤以及切割已经冷却的玻璃板的切割步骤。 在空气压力控制步骤中，在玻璃板的流动方向的上游侧的位置处，控制空气压力使得在炉外部空间内的空气压力较高。
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公开(公告)号：US08399370B2
公开(公告)日：2013-03-19
申请号：US13099023
申请日：2011-05-02
CPC分类号： C03C4/20 , C03C3/11 , G02F1/1333
摘要： A glass composition which is reduced in the amount of residual bubbles and is produced using smaller amounts of an environmentally unfriendly component such as arsenic oxide and antimony oxide. This glass composition comprises, in terms of mass %; 40-70% SiO2; 5-20% B2O3; 10-25% Al2O3; 0-10% MgO; 0-20% CaO; 0-20% SrO; 0-10% BaO; 0.001-0.5% Li2O; 0.01-0.5% Na2O; 0.002-0.5% K2O; and 0-1.0%, excluding 0%, Cl.
摘要翻译： 减少残留气泡量的玻璃组合物，并使用较少量的环境不友好的成分如砷氧化物和氧化锑来生产。 该玻璃组合物以质量％表示; 40-70％SiO2; 5-20％B2O3; 10-25％Al2O3; 0-10％MgO; 0-20％CaO; 0-20％SrO; 0-10％BaO; 0.001-0.5％Li2O; 0.01-0.5％Na2O; 0.002-0.5％K2O; 和0-1.0％，不包括0％，Cl。
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6.发明申请公开(公告)号：US20130029830A1
公开(公告)日：2013-01-31
申请号：US13537774
申请日：2012-06-29
申请人： Akihiro KOYAMA , Satoshi AMI , Manabu ICHIKAWA
发明人： Akihiro KOYAMA , Satoshi AMI , Manabu ICHIKAWA
CPC分类号： C03C3/091 , C03C3/093 , G02F2001/133302 , G02F2202/104
摘要： Provided are: a glass substrate for p-Si TFT flat panel displays that is composed of a glass having high characteristic temperatures in the low-temperature viscosity range, typified by the strain point and glass transition point, having a small heat shrinkage rate, and being capable of avoiding the occurrence of the problem regarding the erosion/wear of a melting tank at the time of melting through direct electrical heating; and a method for manufacturing same. The present glass substrate is composed of a glass comprising 52-78 mass % of SiO2, 3-25 mass % of Al2O3, 3-15 mass % of B2O3, 3-25 mass % of RO, wherein RO is total amount of MgO, CaO, SrO, and BaO, 0.01-1 mass % of Fe2O3, and 0-0.3 mass % of Sb2O3, and substantially not comprising As2O3, the glass having a mass ratio (SiO2+Al2O3)/B2O3 in a range of 7-30 and a mass ratio (SiO2+Al2O3)/RO equal to or greater than 6. The present method for manufacturing a glass substrate involves: a melting step of obtaining a molten glass by melting, by employing at least direct electrical heating, glass raw materials blended so as to provide the aforementioned glass composition; a forming step of forming the molten glass into a flat-plate glass; and an annealing step of annealing the flat-plate glass.
摘要翻译： 本发明提供：一种用于p-Si TFT平板显示器的玻璃基板，其由在低温粘度范围内具有高特征温度的玻璃构成，以应变点和玻璃化转变点为代表，具有小的热收缩率，以及 能够避免在通过直接电加热熔化时熔融槽的侵蚀/磨损的问题的发生; 及其制造方法。 本发明的玻璃基板由SiO 2为52〜78质量％，Al 2 O 3为3〜25质量％，B 2为3〜15质量％，RO为3〜25质量％的玻璃构成，其中，RO为MgO的总量， CaO，SrO，BaO，0.01〜1质量％的Fe 2 O 3和0〜0.3质量％的Sb 2 O 3，实质上不含有As 2 O 3，玻璃的质量比（SiO 2 + Al 2 O 3）/ B 2 O 3的范围为7〜30 以及等于或大于6的质量比（SiO 2 + Al 2 O 3）/ RO。本发明的玻璃基板的制造方法包括：通过使用至少直接电加热获得熔融玻璃的熔融步骤，玻璃原料 混合以提供上述玻璃组合物; 将熔融玻璃形成平板玻璃的成形工序; 以及退火平板玻璃的退火步骤。
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公开(公告)号：US08156763B2
公开(公告)日：2012-04-17
申请号：US12084857
申请日：2006-11-13
申请人： Yukihito Nagashima , Kengo Maeda
发明人： Yukihito Nagashima , Kengo Maeda
摘要： Provided is a method of producing a glass, including, in order to obtain an excellent refining effect: preparing a raw glass batch including: an antimony compound containing pentavalent antimony; and an oxidizing agent (a cerium oxide, a sulfate, a nitrate); and melting the raw glass batch. In preparing the raw glass batch, it is preferable that the antimony compound be premixed with the oxidizing agent. When the nitrate is used as the oxidizing agent, the raw glass batch is prepared so as to include the antimony compound in an amount of more than 0.5 parts by mass and at most 3 parts by mass, in terms of an amount of antimony pentoxide, per 100 parts by mass of a base glass composition expressed in terms of an amount of an oxide.
摘要翻译： 提供一种制造玻璃的方法，其包括为了获得优异的澄清效果：制备原料玻璃批料，其包括：含有五价锑的锑化合物; 和氧化剂（氧化铈，硫酸盐，硝酸盐）; 并熔化原料玻璃批次。 在制备原料玻璃批料时，优选将锑化合物与氧化剂预混合。 当硝酸盐用作氧化剂时，制备原料玻璃批料，以包含锑化合物的量超过0.5质量份，最多3质量份，以五氧化二锑的量计， 相对于以氧化物量表示的基础玻璃组合物100质量份。
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公开(公告)号：US08129299B2
公开(公告)日：2012-03-06
申请号：US12834486
申请日：2010-07-12
CPC分类号： C03C3/091 , G02F1/1333
摘要： A glass composition which is reduced in the amount of residual bubbles and is produced using smaller amounts of an environmentally unfriendly component such as arsenic oxide and antimony oxide. This glass composition contains, in terms of mass %: 40-70% SiO2; 5-20% B2O3; 10.25% Al2O3; 0-10% MgO; 0-20% CaO; 0-20% SrO; 0-10% BaO; 0-0.5% Li2O; 0-1.0% Na2O; 0-1.5% K2O; and 0-1.5%, excluding 0%, Cl, Li2O+Na2O+K2O exceeding 0.06%. The glass composition can be produced suitably using, for example, a chloride as part of the raw glass materials.
摘要翻译： 减少残留气泡量的玻璃组合物，并使用较少量的环境不友好的成分如砷氧化物和氧化锑来生产。 该玻璃组合物含有质量％：40-70％SiO 2; 5-20％B2O3; 10-25％Al2O3; 0-10％MgO; 0-20％CaO; 0-20％SrO; 0-10％BaO; 0-0.5％Li2O; 0-1.0％Na2O; 0-1.5％K2O; 和0-1.5％，不包括0％，Cl，Li2O + Na2O + K2O超过0.06％。 可以使用例如作为原料玻璃材料的一部分的氯化物适当地制造玻璃组合物。
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公开(公告)号：US20100298112A1
公开(公告)日：2010-11-25
申请号：US12801570
申请日：2010-06-15
申请人： Junji Kurachi , Akihiro Koyama , Yoichi Hachitani
发明人： Junji Kurachi , Akihiro Koyama , Yoichi Hachitani
CPC分类号： C03C3/091 , Y10T428/1095
摘要： A glass substrate for a display, which is formed of a glass having a light weight and having high refinability with decreasing environmental burdens, the glass comprising, by mass %, 50 to 70% of SiO2, 5 to 18% of B2O3, 10 to 25% of Al2O3, 0 to 10% of MgO, 0 to 20% of CaO, 0 to 20% of SrO, 0 to 10% of BaO, 5 to 20% of RO (in which R is at least one member selected from the group consisting of Mg, Ca, Sr and Ba), and over 0.20% but not more than 2.0% of R′2O (in which R′ is at least one member selected from the group consisting of Li, Na and K), and containing, by mass %, 0.05 to 1.5% of oxide of metal that changes in valence number in a molten glass, and substantially containing none of As2O3, Sb2O3 and PbO.
摘要翻译： 一种显示器用玻璃基板，其由重量轻且具有降低的环境负荷的高可熔性的玻璃形成，所述玻璃以质量％计含有50〜70％的SiO 2，5〜18％的B 2 O 3，10〜 25％的Al 2 O 3，0〜10％的MgO，0〜20％的CaO，0〜20％的SrO，0〜10％的BaO，5〜20％的RO（其中R为选自 由Mg，Ca，Sr和Ba组成的组）和超过0.20％但不超过2.0％的R'2O（其中R'为选自Li，Na和K中的至少一种）， 并且以质量％计含有熔融玻璃中价数变化的金属氧化物的0.05〜1.5％，并且基本上不含有As 2 O 3，Sb 2 O 3和PbO。
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公开(公告)号：US07763559B2
公开(公告)日：2010-07-27
申请号：US12071063
申请日：2008-02-14
申请人： Junji Kurachi , Akihiro Koyama , Yoichi Hachitani
发明人： Junji Kurachi , Akihiro Koyama , Yoichi Hachitani
CPC分类号： C03C3/091 , Y10T428/1095
摘要： A glass substrate for a display, which is formed of a glass having a light weight and having high refinability with decreasing environmental burdens, the glass comprising, by mass %, 50 to 70% of SiO2, 5 to 18% of B2O3, 10 to 25% of Al2O3, 0 to 10% of MgO, 0 to 20% of CaO, 0 to 20% of SrO, 0 to 10% of BaO, 5 to 20% of RO (in which R is at least one member selected from the group consisting of Mg, Ca, Sr and Ba), and over 0.20% but not more than 2.0% of R′2O (in which R′ is at least one member selected from the group consisting of Li, Na and K), and containing, by mass %, 0.05 to 1.5% of oxide of metal that changes in valence number in a molten glass, and substantially containing none of As2O3, Sb2O3 and PbO.
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