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公开(公告)号：US09938181B2
公开(公告)日：2018-04-10
申请号：US14811178
申请日：2015-07-28
发明人： Junko Miyasaka , Seiki Ohara , Kenji Kitaoka
CPC分类号： C03C3/097 , C03C3/093 , C03C4/02 , C03C21/002 , Y10T428/131 , Y10T428/315
摘要： A white glass includes, in terms of mole percentage on the basis of oxides, from 50% to 74% of SiO2, from 0 to 8% of B2O3, from 1% to 8% of Al2O3, from 0 to 18% of MgO, from 0 to 7% of CaO, from 0 to 10% of SrO, from 0 to 12% of BaO, from 0 to 5% of ZrO2, from 5% to 15% of Na2O and from 2% to 10% of P2O5. In the white glass, a total content of CaO, SrO and BaO is from 1% to 22%, a total content RO of MgO, CaO, SrO and BaO is from 5% to 25% and a ratio CaO/RO of a content of CaO to the RO is 0.7 or less.
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公开(公告)号：US10040716B2
公开(公告)日：2018-08-07
申请号：US15631554
申请日：2017-06-23
发明人： Shuji Yamazaki , Shusaku Akiba , Seiki Ohara , Kazunari Tohyama
摘要： A glass sheet includes, as represented by mole percentage based on oxides, from 55.5 to 80% of SiO2, from 12 to 20% of Al2O3, from 8 to 25% of Na2O, 2.5% or more of P2O5, and 1% or more of an alkaline earth metal RO (RO is MgO+CaO+SrO+BaO).
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公开(公告)号：US09902647B2
公开(公告)日：2018-02-27
申请号：US15395025
申请日：2016-12-30
发明人： Junko Miyasaka , Seiki Ohara , Takahiro Sakagami
CPC分类号： C03C10/0045 , C03B5/23 , C03C3/097 , C03C4/08 , C03C4/18 , C03C10/0018 , C03C10/0054 , C03C21/002 , C03C2204/04 , Y02P40/57
摘要： The present invention relates to a method for producing phase-separated glass, sequentially including a melting step of melting a glass, a phase separation step of separating phases in the glass, and a shaping step of shaping the glass, and to the phase-separated glass obtained by the production method.
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4.发明申请GLASS FOR CHEMICAL STRENGTHENING, CHEMICALLY STRENGTHENED GLASS, AND METHOD FOR MANUFACTURING CHEMICALLY STRENGTHENED GLASS 有权用于化学增强的玻璃，化学增强的玻璃，以及用于制造化学增强玻璃的方法公开(公告)号：US20170001903A1
公开(公告)日：2017-01-05
申请号：US15266157
申请日：2016-09-15
发明人： Junko MIYASAKA , Seiki Ohara , Shuji Yamazaki , Shusaku Akiba , Junichiro Kase
CPC分类号： C03C3/087 , C03C4/18 , C03C21/002 , C03C2204/00
摘要： An object of the present invention is to provide a glass for chemical strengthening which is capable of improving strength as compared with an ordinary soda lime silicate glass even when the same chemical strengthening treatment as that in a conventional process is applied and has good devitrification characteristics, a chemically strengthened glass using the glass for chemical strengthening, and a method for producing the chemically strengthened glass. The present invention provides a glass for chemical strengthening having a specific glass composition described in the present specification.
摘要翻译： 本发明的目的是提供一种与普通钠钙硅酸盐玻璃相比能够提高强度的玻璃，即使在与常规方法相同的化学强化处理并且具有良好的失透特性的情况下， 使用玻璃进行化学强化的化学强化玻璃，以及化学强化玻璃的制造方法。 本发明提供了一种具有本说明书中描述的特定玻璃组合物的化学强化玻璃。
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公开(公告)号：US20150266770A1
公开(公告)日：2015-09-24
申请号：US14732975
申请日：2015-06-08
发明人： Junko MIYASAKA , Seiki Ohara
CPC分类号： C03C3/097 , C03C3/078 , C03C4/02 , C03C4/20 , C03C21/002 , C03C2204/00 , C03C2204/04 , Y10T428/131 , Y10T428/315
摘要： A phase-separated glass for chemical strengthening has a total light reflectance of 10% or more in a wavelength range of 380 nm to 780 nm and a value obtained by dividing a maximum value of the total light reflectance by a minimum value of the total light reflectance of more than 4.2, when measured in a form of a plate having a thickness of 1 mm.
摘要翻译： 用于化学强化的相分离玻璃在380nm至780nm的波长范围内的总光反射率为10％以上，通过将总光反射率的最大值除以总光的最小值而获得的值 当以厚度为1mm的板的形式测量时，反射率大于4.2。
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公开(公告)号：US10196304B2
公开(公告)日：2019-02-05
申请号：US15385428
申请日：2016-12-20
发明人： Junko Miyasaka , Seiki Ohara
摘要： An object is to provide a glass for chemical toughening treatment satisfying low brittleness, low melt viscosity and high chemical toughening characteristics, and a chemically toughened glass using the same. Provided is a glass for chemical toughening treatment containing, in mass % in terms of oxides, SiO2 63 to 76, B2O3 0 to 2, Al2O3 2 to 10, MgO 2 to 12, CaO 0.1 to 8, Na2O 14.5 to 19, K2O 0 to 3, and Fe2O3 0 to 0.5, satisfying a total content of alkali earth metal oxides (RO) being from 5 to 15, satisfying 15×MgO/RO−RO≥3, and having a temperature T2 at which a glass viscosity reaches 102 dPa·s being 1,600° C. or lower.
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公开(公告)号：US20180265397A1
公开(公告)日：2018-09-20
申请号：US15920009
申请日：2018-03-13
发明人： Suguru Murayama , Seiki Ohara , Qing Li , Shusaku Akiba
CPC分类号： C03C3/085 , C03C3/083 , C03C3/087 , C03C3/091 , C03C3/093 , C03C3/097 , C03C4/18 , C03C21/00 , C03C21/002
摘要： A glass for chemical strengthening contains, in mole percentage on an oxide basis, 58 to 72% of SiO2, 7 to 18% of Al2O3, 1% or more of B2O3, 0 to 4% of P2O5, 5 to 16% of Li2O, 0 to 7% of Na2O, 0 to 2% of K2O, 0 to 6% of MgO, 0 to 20% of CaO, 0 to 20% of SrO, 0 to 15% of BaO, 0 to 10% of ZnO, 0 to 1% of TiO2, and 0 to 2% of ZrO2. A value of X is 30000 or more. The value of X is calculated based on the formula, X=SiO2×329+Al2O3×786+B2O3×627+P2O5×(−941)+Li2O×927+Na2O×47.5+K2O×(−371)+MgO×1230+CaO×1154+SrO×733+ZrO2×51.8, by using the contents in mole percentage on an oxide basis of components.
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公开(公告)号：US10005692B2
公开(公告)日：2018-06-26
申请号：US14733393
申请日：2015-06-08
发明人： Junko Miyasaka , Seiki Ohara
CPC分类号： C03C3/097 , C03C3/078 , C03C21/002 , C03C23/007 , H05K5/02 , Y10T428/131 , Y10T428/315
摘要： A phase-separated glass for chemical strengthening has a total light reflectance of 10% or more in a wavelength range of 380 nm to 780 nm and a value obtained by dividing a maximum value of the total light reflectance by a minimum value of the total light reflectance of 4.2 or less, when measured in a form of a plate having a thickness of 1 mm.
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公开(公告)号：US20180037498A1
公开(公告)日：2018-02-08
申请号：US15693774
申请日：2017-09-01
发明人： Seiki Ohara , Kazutaka Ono , Tetsuya Nakashima , Hiroyuki Ohkawa
CPC分类号： C03C21/002 , C03C3/083 , C03C3/085 , C03C3/087 , C03C3/093 , C03C4/18 , C03C23/007 , C03C2204/00 , G06F1/1626 , G06F3/041 , Y10T428/315
摘要： The present invention provides a cover glass for a display, having high durability to slow cracking and strong abraded strength even though a compressive stress is large and a depth of a compressive stress layer is deep. The present invention relates to a cover glass for a display, in which a depth of a compressive stress layer (DOL) is 30 μm or more, a surface compressive stress is 300 MPa or more, a position (HW) at which a compressive stress is half of a value of the surface compressive stress is a position of 8 μm or more from a glass surface, and the depth of the compressive stress layer (DOL) and the position (HW) at which the compressive stress is half of the value of the surface compressive stress satisfy the following formula: 0.05≦HW/DOL≦0.23 (1).
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公开(公告)号：US09840435B2
公开(公告)日：2017-12-12
申请号：US14301690
申请日：2014-06-11
发明人： Seiki Ohara , Kazutaka Ono , Tetsuya Nakashima , Hiroyuki Ohkawa
CPC分类号： C03C21/002 , C03C3/083 , C03C3/085 , C03C3/087 , C03C3/093 , C03C4/18 , C03C23/007 , C03C2204/00 , G06F1/1626 , G06F3/041 , Y10T428/315
摘要： The present invention provides a cover glass for a display, having high durability to slow cracking and strong abraded strength even though a compressive stress is large and a depth of a compressive stress layer is deep. The present invention relates to a cover glass for a display, in which a depth of a compressive stress layer (DOL) is 30 μm or more, a surface compressive stress is 300 MPa or more, a position (HW) at which a compressive stress is half of a value of the surface compressive stress is a position of 8 μm or more from a glass surface, and the depth of the compressive stress layer (DOL) and the position (HW) at which the compressive stress is half of the value of the surface compressive stress satisfy the following formula: 0.05≦HW/DOL≦0.23 (1).
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