Glass sheet and method for manufacturing glass sheet

This glass sheet has a first main surface and a second main surface facing oppositely from the first main surface, wherein the first main surface includes an anti-glare surface. The anti-glare surface has a plurality of spoon-cut-shaped concave surfaces. The anti-glare surface satisfies the followin...

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Bibliographische Detailangaben
Hauptverfasser: AKAMA, YUKI, MORI, YUSUKE, ISSHIKI, MASANOBU
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:This glass sheet has a first main surface and a second main surface facing oppositely from the first main surface, wherein the first main surface includes an anti-glare surface. The anti-glare surface has a plurality of spoon-cut-shaped concave surfaces. The anti-glare surface satisfies the following statements (A)-(D) when the surface shape of the anti-glare surface is measured with a laser microscope and, on the basis of the measured result, the anti-glare surface is divided into the plurality of concave surfaces using a watershed algorithm. (A) The standard deviation S[sigma] of the areas S of the concave surfaces in planar view is 32.5 [mu]m2 or less. (B) The number N of concave surfaces per a prescribed area in planar view is 250/10000 [mu]m2 or greater. (C) The average value HAVE of the depths H of the concave surfaces is 0.10 [mu]m or greater. (D) The standard deviation H[sigma] of the depths H of the concave surfaces is 0.220 [mu]m or less, and the product HAVE*H[sigma] of the average value HAVE of th