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公开(公告)号：US20180251395A1
公开(公告)日：2018-09-06
申请号：US15968869
申请日：2018-05-02
IPC分类号： C03C3/097 , C03C3/068 , C03C3/062 , C03C3/064 , C03C3/093 , C03C3/089 , C03C4/20 , G02B1/14 , G02B1/18 , C03C21/00
CPC分类号： C03C3/097 , C03C3/062 , C03C3/064 , C03C3/068 , C03C3/089 , C03C3/093 , C03C3/155 , C03C4/20 , C03C21/00 , C03C21/002 , C03C2204/00 , G02B1/00 , G02B1/14 , G02B1/18
摘要： Provided is an optical glass suitable for an imaging lens or the like used for a vehicle-mounted camera exposed to harsh environment, having a high refractive index and high strength. The optical glass has a strengthened layer at a surface layer, and a depth of the strengthened layer is 1 μm or more from a surface of the optical glass, and a refractive index (nd) of the optical glass is 1.73 to 2.10.
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2.发明申请CHEMICALLY STRENGTHENED GLASS PLATE, COVER GLASS, CHEMICALLY STRENGTHENED GLASS WITH TOUCH SENSOR, AND DISPLAY DEVICE 审中-公开化学增强玻璃板，盖玻璃，带触摸传感器的化学增强玻璃和显示装置公开(公告)号：US20150147538A1
公开(公告)日：2015-05-28
申请号：US14552998
申请日：2014-11-25
发明人： Masayuki ISHIMARU , Hiroyuki OKAWA , Syusaku AKIBA , Shigeki SAWAMURA , Kazutaka ONO , Tetsuya NAKASHIMA , Izuru KASHIMA , Yusuke KOBAYASHI , Suguru MURAYAMA , Aya YAMAMOTO
CPC分类号： C03C21/002 , C03C3/085 , Y10T428/24777
摘要： A chemically strengthened glass sheet, which has front and back main surfaces and an edge surface between the front and back main surfaces, has undergone a chemical strengthening treatment and has an approximately rectangular shape, in which the chemically strengthened glass sheet has a surface compressive stress of 800 MPa or more, and an internal tensile stress of 42 MPa or less.
摘要翻译： 具有前后主表面和前后主表面之间的边缘表面的化学强化玻璃板已进行化学强化处理，并具有大致矩形形状，其中化学强化玻璃板具有表面压应力 为800MPa以上，内部拉伸应力为42MPa以下。
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3.发明申请公开(公告)号：US20180305241A1
公开(公告)日：2018-10-25
申请号：US16018099
申请日：2018-06-26
发明人： Shigeki SAWAMURA , Kazutaka Ono , Yu Hanawa
CPC分类号： C03C3/087 , B32B17/00 , B32B2457/14 , C03C3/083 , C03C3/085 , H01L21/6835 , H01L23/15 , H01L24/96 , H01L2221/68372 , H01L2224/95001
摘要： A glass substrate includes, as a glass matrix composition as represented by mole percentage based on oxides, SiO2: 55%-75%, Al2O3: 2%-15%, MgO: 0%-10%, CaO: 0%-10%, SrO: 0%-10%, BaO: 0%-15%, ZrO2: 0%-5%, Na2O: 0%-20%, K2O: 5%-30%, and Li2O: 0%-5.0%. The glass substrate has a total content of alkali metal oxides, as represented by mole percentage based on oxides, of 10%-30%, a value obtained by dividing the total content of alkali metal oxides by the content of SiO2 of 0.50 or smaller, a value obtained by dividing the content of Na2O by a value obtained by subtracting the content of Al2O3 from a total content of Na2O and K2O of 0.90 or smaller, and an average coefficient of thermal expansion α1 at 50° C.-350° C. of 11 ppm/° C.-16 ppm/° C.
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公开(公告)号：US20180244559A1
公开(公告)日：2018-08-30
申请号：US15968280
申请日：2018-05-01
摘要： Provided is an optical glass suitable for an imaging lens or the like used for a vehicle-mounted camera exposed to harsh environment, having a high refractive index and high strength, excellent crack resistance, and a sufficiently low glass transition point and devitrification temperature. In the optical glass, nd is 1.70 or more and 2.10 or less, Tg is 500° C. or more and 630° C. or less, the devitrification temperature is 1300° C. or less, a specific gravity is 4.0 g/cm3 or less, a crack initiation load (CIL) is 20 gf or more, and a fracture toughness value (Kc) is 0.60 MPa·m1/2 or more.
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公开(公告)号：US20180079680A1
公开(公告)日：2018-03-22
申请号：US15827405
申请日：2017-11-30
发明人： Shusaku AKIBA , Shigeki SAWAMURA , Suguru MURAYAMA , Hiroyuki OHKAWA , Yusuke KOBAYASHI , Kazutaka ONO , Tetsuya NAKASHIMA
CPC分类号： C03C3/091 , C03C3/085 , C03C3/087 , C03C4/18 , C03C21/001 , C03C21/002 , C03C2204/00 , G06F1/16 , G06F1/1637 , Y10T428/315
摘要： To provide chemically tempered glass which is less likely to break even if scratched. Chemically tempered glass, which comprises, as represented by mole percentage based on the following oxides, from 56 to 72% of SiO2, from 8 to 20% of Al2O3, from 9 to 25% of Na2O, from 0 to 2% of K2O, and from 0 to 15% of MgO, and which has a surface compressive stress of at least 900 MPa and an internal tensile stress of at most 30 MPa. Glass for chemical tempering, which comprises, as represented by mole percentage based on the following oxides, from 56 to 69% of SiO2, from 8 to 16% of Al2O3, from 9 to 22% of Na2O, from 0 to 1% of K2O, from 5.5 to 14% of MgO, from 0 to 2% of ZrO2, and from 0 to 6% of B2O3.
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公开(公告)号：US20140226090A1
公开(公告)日：2014-08-14
申请号：US14255073
申请日：2014-04-17
发明人： Shusaku AKIBA , Shigeki SAWAMURA , Suguru MURAYAMA , Hiroyuki OHKAWA , Yusuke KOBAYASHI , Kazutaka ONO , Tetsuya NAKASHIMA
CPC分类号： C03C3/091 , C03C3/085 , C03C3/087 , C03C4/18 , C03C21/001 , C03C21/002 , C03C2204/00 , G06F1/16 , G06F1/1637 , Y10T428/315
摘要： To provide chemically tempered glass which is less likely to break even if scratched. Chemically tempered glass, which comprises, as represented by mole percentage based on the following oxides, from 56 to 72% of SiO2, from 8 to 20% of Al2O3, from 9 to 25% of Na2O, from 0 to 2% of K2O, and from 0 to 15% of MgO, and which has a surface compressive stress of at least 900 MPa and an internal tensile stress of at most 30 MPa. Glass for chemical tempering, which comprises, as represented by mole percentage based on the following oxides, from 56 to 69% of SiO2, from 8 to 16% of Al2O3, from 9 to 22% of Na2O, from 0 to 1% of K2O, from 5.5 to 14% of MgO, from 0 to 2% of ZrO2, and from 0 to 6% of B2O3.
摘要翻译： 提供化学钢化玻璃，即使划伤也不太可能破裂。 化学强化玻璃，其以由以下氧化物的摩尔百分数表示的SiO 2，56至72％的SiO 2，8至20％的Al 2 O 3，9至25％的Na 2 O，0至2％的K 2 O， 和0〜15％的MgO，其表面压应力为至少900MPa，内部拉伸应力为30MPa以下。 用于化学回火的玻璃，其包含以下列氧化物的摩尔百分数表示：SiO2的56至69％，Al2O3的8至16％，Na2O的9至22％，K2O的0至1％ ，5.5〜14％的MgO，0〜2％的ZrO 2和0〜6％的B 2 O 3。
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公开(公告)号：US20170081240A1
公开(公告)日：2017-03-23
申请号：US15370763
申请日：2016-12-06
发明人： Jun ENDO , Shusaku AKIBA , Kazutaka ONO , Shigeki SAWAMURA
IPC分类号： C03C3/093 , C03C3/087 , C03C3/091 , C03C21/00 , C03C3/11 , C03C3/112 , C03C3/118 , C03C3/085 , C03C4/18
CPC分类号： C03C3/093 , C03C3/085 , C03C3/087 , C03C3/091 , C03C3/11 , C03C3/112 , C03C3/118 , C03C4/18 , C03C21/002 , C03C2204/00
摘要： To provide a method for producing chemically tempered glass, whereby frequency of replacement of the molten salt can be reduced. A method for producing chemically tempered glass, which comprises repeating ion exchange treatment of immersing glass in a molten salt, wherein the glass comprises, as represented by mole percentage, from 61 to 77% of SiO2, from 1 to 18% of Al2O3, from 3 to 15% of MgO, from 0 to 5% of CaO, from 0 to 4% of ZrO2, from 8 to 18% of Na2O and from 0 to 6% of K2O; SiO2+Al2O3 is from 65 to 85%; MgO+CaO is from 3 to 15%; and R calculated by the following formula by using contents of the respective components, is at least 0.66: R=0.029×SiO2+0.021×Al2O3+0.016×MgO−0.004×CaO+0.016×ZrO2+0.029×Na2O+0×K2O−2.002
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公开(公告)号：US20180082914A1
公开(公告)日：2018-03-22
申请号：US15822859
申请日：2017-11-27
发明人： Yu HANAWA , Shigeki SAWAMURA , Shuhei NOMURA , Kazutaka ONO , Nobuhiko TAKESHITA , Keisuke HANASHIMA
摘要： The present invention provides a glass substrate in which in a step of sticking a glass substrate and a silicon-containing substrate to each other, bubbles hardly intrude therebetween. The present invention relates to a glass substrate for forming a laminated substrate by lamination with a silicon-containing substrate, having a warpage of 2 μm to 300 μm, and an inclination angle due to the warpage of 0.0004° to 0.12°.
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