TREATMENT OF TRANSPARENT GLASS SUBSTRATE

PURPOSE:To provide a method for treating a transparent glass substrate by which the substrate can be treated with buffered hydrofluoric acid without making the glass surface finely rugged. CONSTITUTION:When a transparent glass substrate is treated with buffered hydrofluoric acid, contaminants such a...

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Bibliographische Detailangaben
Hauptverfasser:	YAMAMOTO SHIGERU, MIYAMOTO MITSUO, ONODA TAKUHIRO, KITA NAOHIDE, MIWA SHINKICHI, ISHIDA SHOICHI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS METALLURGY MINERAL OR SLAG WOOL SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS
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Beschreibung
Zusammenfassung:	PURPOSE:To provide a method for treating a transparent glass substrate by which the substrate can be treated with buffered hydrofluoric acid without making the glass surface finely rugged. CONSTITUTION:When a transparent glass substrate is treated with buffered hydrofluoric acid, contaminants such as dust and org. matter on the surface of the substrate are previously removed by pretreating and washing the substrate. Alcohol such as isopropanol, hydrofluoric acid or a mixture of sulfuric acid with an aq. hydrogen peroxide soln. is preferably used as a washing liq.