STRENGTHENED GLASS-BASED ARTICLES AND METHODS FOR REDUCING WARP IN STRENGTHENED GLASS-BASED ARTICLES

Strengthened glass substrates and methods of reducing warp in strengthened glass substrates having 3D and 2.5D shapes are disclosed. In one embodiment, a strengthened glass-based article includes a first surface, a second surface opposite the first surface, and an edge between the first surface and...

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Bibliographische Detailangaben
Hauptverfasser:	DAFIN, John Martin, FAGAN, Sumalee Likitvanichkul, ABBOTT, John S., III, WEIDMAN, David Lee, ALLAN, Douglas Clippinger, WILCOX, David Inscho
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY DRESSING OR CONDITIONING OF ABRADING SURFACES FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS GLASS GRINDING JOINING GLASS TO GLASS OR OTHER MATERIALS MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING METALLURGY MINERAL OR SLAG WOOL PERFORMING OPERATIONS POLISHING SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS TRANSPORTING
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Beschreibung
Zusammenfassung:	Strengthened glass substrates and methods of reducing warp in strengthened glass substrates having 3D and 2.5D shapes are disclosed. In one embodiment, a strengthened glass-based article includes a first surface, a second surface opposite the first surface, and an edge between the first surface and the second surface. The edge is asymmetric with respect to a plane that is located at an average depth of the strengthened glass-based article and is parallel to the first surface and the second surface. The strengthened glass-based article has an expected warp WE based at least in part on a shape of the asymmetric edge of the strengthened glass-based article. An actual warp WA of the strengthened glass-based article is less than 85% of the expected warp metric WE of the strengthened glass-based article. The actual warp WA of the strengthened glass-based article is measured with a concave surface facing up.