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公开(公告)号：US12116311B2
公开(公告)日：2024-10-15
申请号：US18212661
申请日：2023-06-21
申请人： CORNING INCORPORATED
发明人： Matthew John Dejneka , Sinue Gomez , Guangli Hu , Charlene Marie Smith , Zhongzhi Tang , Steven Alvin Tietje
CPC分类号： C03C21/002 , C03C3/091 , C03C3/093 , C03C3/097 , C03C10/0027 , H05K5/0017 , H05K5/03
摘要： Embodiments of a glass-based article including a first surface and a second surface opposing the first surface defining a thickness (t) of about 3 millimeters or less (e.g., about 1 millimeter or less), and a stress profile, wherein all points of the stress profile between a thickness range from about 0·t up to 0.3·t and from greater than about 0.7·t up to t, comprise a tangent with a slope having an absolute value greater than about 0.1 MPa/micrometer, are disclosed. In some embodiments, the glass-based article includes a non-zero metal oxide concentration that varies along at least a portion of the thickness (e.g., 0·t to about 0.3·t) and a maximum central tension in the range from about 80 MPa to about 100 MPa. In some embodiments, the concentration of metal oxide or alkali metal oxide decreases from the first surface to a value at a point between the first surface and the second surface and increases from the value to the second surface. The concentration of the metal oxide may be about 0.05 mol % or greater or about 0.5 mol % or greater throughout the thickness. Methods for forming such glass-based articles are also disclosed.
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公开(公告)号：US20240317632A1
公开(公告)日：2024-09-26
申请号：US18433727
申请日：2024-02-06
申请人： CORNING INCORPORATED
CPC分类号： C03C3/091 , C03C3/085 , C03C3/097 , C03C21/002 , H05K5/0017 , H05K5/03 , G02F1/133331
摘要： A glass article including, on an oxide basis, from 60 mol % to 74 mol % SiO2, from 7 mol % to 18 mol % Al2O3, less than or equal to 16 mol % B2O3, from 0 mol % to 6 mol % Na2O, greater than or equal to 0.5 mol % SrO, and greater than or equal to 0.5 mol % of divalent cation oxides. The glass article has a molar ratio of Al2O3:(R2O+RO) greater than or equal to 0.9, where R2O is a sum of alkali metal oxides in mol % and RO is a sum of divalent cation oxides in mol %.
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公开(公告)号：US20240294419A1
公开(公告)日：2024-09-05
申请号：US18589839
申请日：2024-02-28
申请人： CORNING INCORPORATED
CPC分类号： C03C3/093 , C03C3/091 , C03C3/095 , C03C3/097 , C03C21/002
摘要： A glass composition includes: greater than or equal to 45 mol % and less than or equal to 70 mol % SiO2; greater than or equal to 5 mol % and less than or equal to 15 mol % Al2O3; greater than or equal to 5 mol % and less than or equal to 15 mol % B2O3; greater than or equal to 5.5 mol % and less than or equal to 15 mol % Li2O; and greater than or equal to 0.5 mol % and less than or equal to 12 mol % MgO. RO may be greater than or equal 5.5 mol % and less than or equal to 14 mol %, wherein RO is the sum of MgO, CaO, BaO, and SrO. The glass composition may be free of at least one of La2O3 and Yb2O3. The glass composition may be phase separable.
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公开(公告)号：US20240239704A1
公开(公告)日：2024-07-18
申请号：US18585702
申请日：2024-02-23
申请人： CORNING INCORPORATED
CPC分类号： C03C10/0027 , C03B32/02 , C03C3/097 , C03C4/02 , C03C10/0054 , C03C21/002 , C03C2204/00
摘要： In embodiments, a precursor glass composition comprises from about 55 wt. % to about 80 wt. % SiO2; from about 2 wt. % to about 20 wt. % Al2O3; from about 5 wt. % to about 20 wt. % Li2O; greater than 0 wt % to about 3 wt. % Na2O; a non-zero amount of P2O5 less than or equal to 4 wt. %; and from about 0.2 wt. % to about 15 wt. % ZrO2. In embodiments, ZrO2 (wt. %)+P2O5 (wt. %) is greater than 3. When the precursor glass composition is converted to a glass-ceramic article, the glass-ceramic article may include grains having a longest dimension of less than 100 nm.
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公开(公告)号：US20240166558A1
公开(公告)日：2024-05-23
申请号：US18411468
申请日：2024-01-12
申请人： Corning Incorporated
发明人： Timothy Michael Gross , Guangli Hu , Rostislav Vatchev Roussev , Charlene Marie Smith , Zhongzhi Tang , Steven Alvin Tietje
CPC分类号： C03C21/002 , C03C3/093 , C03C3/097 , C03C4/18 , C03C23/007 , C03C2204/00
摘要： A glass-based article including a first surface and a second surface opposing the first surface defining a thickness (t) of about 3 millimeters or less (e.g., about 1 millimeter or less), and a stress profile, wherein all points of the stress profile between a thickness range from about 0·t up to 0.3·t and from greater than about 0.7·t to t, comprise a tangent with a slope having an absolute value greater than about 0.1 MPa/micrometer. In some embodiments, the glass-based article includes a non-zero metal oxide concentration that varies along at least a portion of the thickness (e.g., 0·t to about 0.3·t) and a maximum central tension of less than about 71.5/√(t) (MPa). In some embodiments, the concentration of metal oxide or alkali metal oxide decreases from the first surface to a point between the first surface and the second surface and increases from the point to the second surface. The concentration of the metal oxide may be about 0.05 mol % or greater or about 0.5 mol % or greater throughout the thickness. Methods for forming such glass-based articles are also disclosed.
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公开(公告)号：US20240158287A1
公开(公告)日：2024-05-16
申请号：US18389269
申请日：2023-11-14
申请人： CORNING INCORPORATED
CPC分类号： C03C10/0027 , C03C1/04 , C03C4/02 , C03C2204/00
摘要： A glass-ceramic article comprises a petalite crystalline phase and a lithium silicate crystalline phase. The weight percentage of each of the petalite crystalline phase and the lithium silicate crystalline phase in the glass-ceramic article are greater than each of the weight percentages of other crystalline phases present in the glass-ceramic article. The glass-ceramic article has a transmittance color coordinate in the CIELAB color space of: L*=from 20 to 90; a*=from −20 to 40; and b*=from −60 to 60 for a CIE illuminant F02 under SCI UVC conditions. In some embodiments, the colorant is selected from the group consisting of TiO2, Fe2O3, NiO, CO3O4, MnO2, Cr2O3, CuO, Au, Ag, and V2O5.
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7.发明公开公开(公告)号：US20240140856A1
公开(公告)日：2024-05-02
申请号：US18380710
申请日：2023-10-17
申请人： CORNING INCORPORATED
CPC分类号： C03C10/0027 , C03B32/02 , C03C10/0009 , C03C21/002 , C03C2204/00
摘要： A glass-ceramic article includes a crystalline phase, a residual glass phase, greater than or equal to 55 mol % and less than or equal to 80 mol % SiO2, greater than or equal to 1 mol % and less than or equal to 8 mol % Al2O3, greater than or equal to 13 mol % and less than or equal to 35 mol % Li2O, greater than or equal to 0.05 mol % and less than or equal to 5 mol % Na2O, greater than or equal to 0.05 mol % and less than or equal to 3 mol % K2O, greater than or equal to 0.2 mol % and less than or equal to 2 mol % P2O5, and greater than or equal to 1.5 mol % and less than or equal to 10 mol % ZrO2, wherein the crystalline phase comprises a lithium disilicate sub-phase.
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公开(公告)号：US11952306B2
公开(公告)日：2024-04-09
申请号：US18131556
申请日：2023-04-06
申请人： CORNING INCORPORATED
CPC分类号： C03C10/0027 , C03B32/02 , C03C3/097 , C03C4/02 , C03C10/0054 , C03C21/002 , C03C2204/00
摘要： In embodiments, a precursor glass composition comprises from about 55 wt. % to about 80 wt. % SiO2; from about 2 wt. % to about 20 wt. % Al2O3; from about 5 wt. % to about 20 wt. % Li2O; greater than 0 wt % to about 3 wt. % Na2O; a non-zero amount of P2O5 less than or equal to 4 wt. %; and from about 0.2 wt. % to about 15 wt. % ZrO2. In embodiments, ZrO2 (wt. %)+P2O5 (wt. %) is greater than 3. When the precursor glass composition is converted to a glass-ceramic article, the glass-ceramic article may include grains having a longest dimension of less than 100 nm.
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公开(公告)号：US11840476B2
公开(公告)日：2023-12-12
申请号：US18096315
申请日：2023-01-12
申请人： CORNING INCORPORATED
IPC分类号： C03C10/02 , C03C10/04 , C03C10/00 , C03C4/00 , C03B32/02 , C03C3/097 , C03C4/16 , C03C14/00 , A61K6/818 , A61K6/822 , A61K6/824 , A61K6/827 , A61K6/833 , A61K6/836
CPC分类号： C03C10/0027 , A61K6/818 , A61K6/822 , A61K6/824 , A61K6/827 , A61K6/833 , A61K6/836 , C03B32/02 , C03C3/097 , C03C4/0021 , C03C4/16 , C03C10/0009 , C03C14/004 , C03C2214/04 , C03C2214/20 , C03C2214/30
摘要： ZrO2-toughened glass ceramics having high molar fractions of tetragonal ZrO2 and fracture toughness value of greater than 1.8 MPa·m1/2. The glass ceramic may also include also contain other secondary phases, including lithium silicates, that may be beneficial for toughening or for strengthening through an ion exchange process. Additional second phases may also decrease the coefficient of thermal expansion of the glass ceramic. A method of making such glass ceramics is also provided.
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公开(公告)号：US20230348322A1
公开(公告)日：2023-11-02
申请号：US18212661
申请日：2023-06-21
申请人： CORNING INCORPORATED
发明人： Matthew John Dejneka , Sinue Gomez , Guangli Hu , Charlene Marie Smith , Zhongzhi Tang , Steven Alvin Tietje
CPC分类号： C03C21/002 , C03C3/091 , C03C3/093 , C03C3/097 , C03C10/0027 , H05K5/0017 , H05K5/03
摘要： Embodiments of a glass-based article including a first surface and a second surface opposing the first surface defining a thickness (t) of about 3 millimeters or less (e.g., about 1 millimeter or less), and a stress profile, wherein all points of the stress profile between a thickness range from about 0·t up to 0.3·t and from greater than about 0.7·t up to t, comprise a tangent with a slope having an absolute value greater than about 0.1 MPa/micrometer, are disclosed. In some embodiments, the glass-based article includes a non-zero metal oxide concentration that varies along at least a portion of the thickness (e.g., 0·t to about 0.3·t) and a maximum central tension in the range from about 80 MPa to about 100 MPa. In some embodiments, the concentration of metal oxide or alkali metal oxide decreases from the first surface to a value at a point between the first surface and the second surface and increases from the value to the second surface. The concentration of the metal oxide may be about 0.05 mol % or greater or about 0.5 mol % or greater throughout the thickness. Methods for forming such glass-based articles are also disclosed.
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