Glass etching media and methods

A glass etching medium and a method for etching the surface of a glass sheet to modify surface flaw characteristics without degrading the optical quality of the sheet surface, wherein the etching medium is a thickened aqueous acidic fluoride-containing paste comprising at least one dissolved, water-...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	STEPHENS II ALAN THOMAS, SHANMUGAM SHYAMALA, TOWNER MATTHEW JOHN, ZHANG LU, MYERS TIMOTHY EDWARD, UHLIG KEVIN WILLIAM
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY DYES GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MINERAL OR SLAG WOOL MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS
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Beschreibung
Zusammenfassung:	A glass etching medium and a method for etching the surface of a glass sheet to modify surface flaw characteristics without degrading the optical quality of the sheet surface, wherein the etching medium is a thickened aqueous acidic fluoride-containing paste comprising at least one dissolved, water-soluble, high-molecular-weight poly (ethylene oxide) polymer thickener.