Abstract: The present invention relates to a glass sheet including a first main surface and a second main surface opposing the first main surface, in which the glass sheet has an affected layer directly below the first main surface, in at least a part of the first main surface, an average element length RSm is from 2500 nm to 6000 nm, a root-mean-square height Sq is from 3 nm to 45 nm, and a skewness Ssk is a negative value.

Abstract: The invention relates to a glass including, as represented by mol % based on elements: 8-25% of P; 8-40% of Sn; 20-80% of O; and 1-50% of F, in which the glass has a glass transition temperature Tg of 300° C. or lower, and the glass gives an infrared absorption spectrum satisfying A3240/A3100 of 0.6-1.2, where the A3100 is an absorbance per 1-mm thickness at a wavenumber of 3,100 cm?1 and the A3240 is an absorbance per 1-mm thickness at a wavenumber of 3,240 cm?1.

Abstract: The present invention relates to a glass sheet including a first main surface and a second main surface opposing the first main surface, in which the glass sheet has an affected layer directly below the first main surface, in at least a part of the first main surface, an average element length RSm is from 2500 nm to 6000 nm, a root-mean-square height Sq is from 3 nm to 45 nm, and a skewness Ssk is a negative value.

Abstract: A glass plate includes a main surface, and a microscopic asperity surface disposed on the main surface, the microscopic asperity surface forming peaks and valleys. When a reference plane is defined as a plane at a center, in a direction of height, of an interval of highest frequency in a histogram of height of shape data of a square region having 2 ?m per side in the microscopic asperity surface, the number of peaks that are higher than the reference plane by 20% or more of a maximum height difference in the square region is in a range between 1 or more and 300 or less.

Abstract: A transparent plate includes a transparent substrate and an antifouling layer. A surface of the transparent substrate includes a fine projecting and recessed structure with a surface roughness of 2.0-100 nm. The antifouling layer includes fluorine, and at least a part of the antifouling layer is formed on a position of the fine projecting and recessed structure. A haze value of the transparent plate at the position of the fine projecting and recessed structure is 2% or less. A value of X defined by (S1?S2)/(S3?S2) is 0.5 or more, where S1, S2 and S3 are F-K? line strengths of the transparent plate at the position of the fine projecting and recessed structure, a reference glass plate that does not include fluorine, and a reference aluminosilicate glass plate that includes fluorine of 2 wt %, respectively, and S1, S2 and S3 are measured by a fluorescent X-ray measurement device.

Abstract: An electronic device includes a chassis having an opening; a display unit and a touch panel configured to be housed in the chassis; and a cover glass arranged on the opening having a main surface region configured to accommodate a display from the display unit and an input to the touch panel, and an end surface region corresponding to a side surface of the chassis. The end surface region includes a first region having a first surface roughness and configured to accommodate the input to the touch panel, and a second region having a second surface roughness that is different from the first surface roughness.

Abstract: A glass plate includes a main surface, and a microscopic asperity surface disposed on the main surface, the microscopic asperity surface forming peaks and valleys. When a reference plane is defined as a plane at a center, in a direction of height, of an interval of highest frequency in a histogram of height of shape data of a square region having 2 ?m per side in the microscopic asperity surface, the number of peaks that are higher than the reference plane by 20% or more of a maximum height difference in the square region is in a range between 1 or more and 300 or less.

Abstract: A laminated body includes a substrate provided with a first surface; a rugged layer including fluorine; and an antifouling layer. The rugged layer has an average surface roughness of 0.05-50 nm. A peak of a binding energy of F1s in the rugged layer falls within 684-687.5 eV, a ratio of atomic concentrations of fluorine to silicon obtained from peaks of binding energies of F1s and Si2p falls within 0.003-100. A peak of a binding energy of F1s in the antifouling layer falls within 687.5-691 eV. An F-value, (A?B)/(C?B), is 0.1 or more, where “A” is an F-K? line strength of the laminated body measured from the antifouling layer side by a fluorescent X-ray measurement device, “B” is an F-K? line strength of a glass plate with only trace amounts of fluorine, and “C” is an F-K? line strength of an aluminosilicate glass plate including fluorine of 2 wt %.

Abstract: A transparent plate includes a transparent substrate and an antifouling layer. A surface of the transparent substrate includes a fine projecting and recessed structure with a surface roughness of 2.0-100 nm. The antifouling layer includes fluorine, and at least a part of the antifouling layer is formed on a position of the fine projecting and recessed structure. A haze value of the transparent plate at the position of the fine projecting and recessed structure is 2% or less. A value of X defined by (S1—S2)/(S3—S2) is 0.5 or more, where S1, S2 and S3 are F—K? line strengths of the transparent plate at the position of the fine projecting and recessed structure, a reference glass plate that does not include fluorine, and a reference aluminosilicate glass plate that includes fluorine of 2 wt %, respectively, and S1, S2 and S3 are measured by a fluorescent X-ray measurement device.

Abstract: A layered product includes a substrate including a first surface and second surface that face each other, wherein the layered product includes a metal film on the first surface of the substrate, wherein gaps are dispersed between the substrate and the metal film, the gaps optically affecting light in a visible light region, wherein, when the layered product is measured from the second surface of the substrate, an absorption ratio with respect to visible light, the absorption ratio being an average value in a range of wavelength from 400 nm to 700 nm, is greater than or equal to 50%, reflectance, the reflectance being an average value in a range of wavelength from 400 nm to 700 nm, is less than or equal to 40%, and brightness L* of a D65 light source in a visual field of 10 degrees is less than or equal to 70.