Importance

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Abstract

A colored glass article may include 50-80 mol % SiO₂; 7-20 mol % Al₂O₃; 1-35 mol % R₂O, wherein R₂O comprises at least one of Li₂O, Na₂O, and K₂O; 1×10⁻⁶-10 mol % of a colorant, wherein the colorant comprises at least one of Cr₂O₃, Au, Ag, CuO, NiO, Co₃O₄, TiO₂, CeO₂; and 12-24 mol % of Al₂O₃+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.

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First Claim