C03C4/02

COLORED GLASS ARTICLES HAVING IMPROVED MECHANICAL DURABILITY

A glass composition includes greater than or equal to 50 mol % and less than or equal to 70 mol % SiO.sub.2; greater than or equal to 10 mol % and less than or equal to 20 mol % Al.sub.2O.sub.3; greater than or equal to 1 mol % and less than or equal to 10 mol % B.sub.2O.sub.3; greater than or equal to 7 mol % and less than or equal to 14 mol % Li.sub.2O; greater than 0 mol % and less than or equal to 8 mol % Na.sub.2O; greater than 0 mol % and less than or equal to 1 mol % K.sub.2O; greater than or equal to 0 mol % and less than or equal to 7 mol % CaO; greater than or equal to 0 mol % and less than or equal to 8 mol % MgO; and greater than or equal to 0 mol % and less than or equal to 8 mol % ZnO. R.sub.2O+R′O is less than or equal to 25 mol %, wherein R.sub.2O is the sum of Li.sub.2O, Na.sub.2O, and K.sub.2O and R′O is the sum of CaO, MgO, and ZnO. The glass composition includes at least one of NiO+CO.sub.3O.sub.4+Cr.sub.2O.sub.3+CuO is greater than or equal to 0.001 mol %, CeO.sub.2 is greater than or equal to 0.1 mol %, and TiO.sub.2 is greater than or equal to 0.1 mol %.

COLORED GLASS ARTICLES HAVING IMPROVED MECHANICAL DURABILITY

A glass composition includes greater than or equal to 50 mol % and less than or equal to 70 mol % SiO.sub.2; greater than or equal to 10 mol % and less than or equal to 20 mol % Al.sub.2O.sub.3; greater than or equal to 1 mol % and less than or equal to 10 mol % B.sub.2O.sub.3; greater than or equal to 7 mol % and less than or equal to 14 mol % Li.sub.2O; greater than 0 mol % and less than or equal to 8 mol % Na.sub.2O; greater than 0 mol % and less than or equal to 1 mol % K.sub.2O; greater than or equal to 0 mol % and less than or equal to 7 mol % CaO; greater than or equal to 0 mol % and less than or equal to 8 mol % MgO; and greater than or equal to 0 mol % and less than or equal to 8 mol % ZnO. R.sub.2O+R′O is less than or equal to 25 mol %, wherein R.sub.2O is the sum of Li.sub.2O, Na.sub.2O, and K.sub.2O and R′O is the sum of CaO, MgO, and ZnO. The glass composition includes at least one of NiO+CO.sub.3O.sub.4+Cr.sub.2O.sub.3+CuO is greater than or equal to 0.001 mol %, CeO.sub.2 is greater than or equal to 0.1 mol %, and TiO.sub.2 is greater than or equal to 0.1 mol %.

COLORED GLASS ARTICLES HAVING IMPROVED MECHANICAL DURABILITY
20220402807 · 2022-12-22 ·

A colored glass article may include 50-80 mol % SiO.sub.2; 7-20 mol % Al.sub.2O.sub.3; 1-35 mol % R.sub.2O, wherein R.sub.2O comprises at least one of Li.sub.2O, Na.sub.2O, and K.sub.2O; 1×10.sup.−6-10 mol % of a colorant, wherein the colorant comprises at least one of Cr.sub.2O.sub.3, Au, Ag, CuO, NiO, Co.sub.3O.sub.4, TiO.sub.2, CeO.sub.2; and 12-24 mol % of Al.sub.2O.sub.3+MgO+CaO+ZnO. The colored glass article may have a transmittance color coordinate in the CIELAB color space with an L* value of 55 to 96.5. The colored glass article may have a compressive stress profile with a depth of compression ≥0.15t, a thickness t from 0.4 mm-5 mm, a compressive stress ≥200 MPa, and a central tension ≥60 MPa. The colored glass article may have a dielectric constant from 5.6 to 6.4 over the frequency range from 10 GHz to 60 GHz.

COLORED GLASS ARTICLES HAVING IMPROVED MECHANICAL DURABILITY
20220402807 · 2022-12-22 ·

A colored glass article may include 50-80 mol % SiO.sub.2; 7-20 mol % Al.sub.2O.sub.3; 1-35 mol % R.sub.2O, wherein R.sub.2O comprises at least one of Li.sub.2O, Na.sub.2O, and K.sub.2O; 1×10.sup.−6-10 mol % of a colorant, wherein the colorant comprises at least one of Cr.sub.2O.sub.3, Au, Ag, CuO, NiO, Co.sub.3O.sub.4, TiO.sub.2, CeO.sub.2; and 12-24 mol % of Al.sub.2O.sub.3+MgO+CaO+ZnO. The colored glass article may have a transmittance color coordinate in the CIELAB color space with an L* value of 55 to 96.5. The colored glass article may have a compressive stress profile with a depth of compression ≥0.15t, a thickness t from 0.4 mm-5 mm, a compressive stress ≥200 MPa, and a central tension ≥60 MPa. The colored glass article may have a dielectric constant from 5.6 to 6.4 over the frequency range from 10 GHz to 60 GHz.

COLORED GLASS ARTICLES HAVING IMPROVED MECHANICAL DURABILITY

A colored glass article includes from 40 mol % to 70 mol % SiO.sub.2; from 8 mol % to 20 mol % Al.sub.2O.sub.3; from 1 mol % to 10 mol % B.sub.2O.sub.3; from 1 mol % to 20 mol % Li.sub.2O; from 1 mol % to 15 mol % Na.sub.2O; from 0 mol % to 8 mol % MgO; from 0 mol % to 5 mol % ZnO; and from 0.0005 mol % to 1 mol % Au. MgO+ZnO is from 0.1 mol % to 6 mol %.

COLORED GLASS ARTICLES HAVING IMPROVED MECHANICAL DURABILITY

A colored glass article includes from 40 mol % to 70 mol % SiO.sub.2; from 8 mol % to 20 mol % Al.sub.2O.sub.3; from 1 mol % to 10 mol % B.sub.2O.sub.3; from 1 mol % to 20 mol % Li.sub.2O; from 1 mol % to 15 mol % Na.sub.2O; from 0 mol % to 8 mol % MgO; from 0 mol % to 5 mol % ZnO; and from 0.0005 mol % to 1 mol % Au. MgO+ZnO is from 0.1 mol % to 6 mol %.

GOLD CONTAINING SILICATE GLASS
20220402804 · 2022-12-22 ·

A glass composition includes greater than or equal to 60 mol % and less than or equal to 85 mol % SiO.sub.2; greater than or equal to 0.5 mol % and less than or equal to 20 mol % Al.sub.2O.sub.3; greater than or equal to 0 mol % and less than or equal to 15 mol % Li.sub.2O; greater than or equal to 0.5 mol % and less than or equal to 25 mol % Na.sub.2O; greater than or equal to 0.1 mol % and less than or equal to 20 mol % 1(20; greater than or equal to 0 mol % and less than or equal to 10 mol % CaO; greater than or equal to 0 mol % and less than or equal to 10 mol % MgO; and greater than or equal to 0.005 mol % and less than or equal to 0.5 mol % Au.

GOLD CONTAINING SILICATE GLASS
20220402804 · 2022-12-22 ·

A glass composition includes greater than or equal to 60 mol % and less than or equal to 85 mol % SiO.sub.2; greater than or equal to 0.5 mol % and less than or equal to 20 mol % Al.sub.2O.sub.3; greater than or equal to 0 mol % and less than or equal to 15 mol % Li.sub.2O; greater than or equal to 0.5 mol % and less than or equal to 25 mol % Na.sub.2O; greater than or equal to 0.1 mol % and less than or equal to 20 mol % 1(20; greater than or equal to 0 mol % and less than or equal to 10 mol % CaO; greater than or equal to 0 mol % and less than or equal to 10 mol % MgO; and greater than or equal to 0.005 mol % and less than or equal to 0.5 mol % Au.

GLASS FOR AUTONOMOUS CAR
20220380248 · 2022-12-01 · ·

An automotive LiDAR glazing with at least one glass sheet having an absorption coefficient lower than 5 m.sup.−1 in the wavelength range from 750 to 1650 nm and having an external face and an internal face. An infrared-based remote sensing device emitting and/or receiving p-polarized laser signal in the wavelength range from 750 to 1650 nm is placed on the internal face of the glass sheet.

COLORED ALKALI ALUMINOSILICATE GLASS ARTICLES
20230053655 · 2023-02-23 ·

A glass article including at least about 40 mol % SiO.sub.2 and, optionally, a colorant imparting a preselected color is disclosed. In general, the glass includes, in mol %, from about 40-70 SiO.sub.2, 0-25 Al.sub.2O.sub.3, 0-10 B.sub.2O.sub.3; 5-35 Na.sub.20, 0-2.5 K.sub.2O, 0-8.5 MgO, 0-2 ZnO, 0-10% P.sub.2O.sub.5 and 0-1.5 CaO. As a result of ion exchange, the glass includes a compressive stress (as) at at least one surface and, optionally, a color. In one method, communicating a colored glass with an ion exchange bath imparts as while in another; communicating imparts as and a preselected color. In the former, a colorant is part of the glass batch while in the latter; it is part of the bath. In each, the colorant includes one or more metal containing dopants formulated to impart to a preselected color. Examples of one or more metal containing dopants include one or more transition and/or rare earth metals.