Etchant composition for glass of flat panel display

The invention relates to a glass etchant composition, more specifically, to a glass etchant composition forming a panel display. The glass etchant composition comprises 5-20 wt.% of HF; 10-50 wt.% of more than one inorganic acid selected from a group consisting of HSO, HPO, HCl, HCO, HNO and HClO; 0...

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Bibliographische Detailangaben
Hauptverfasser:	PARK HYO JUN, LEE JUN YEOP, BAEK JIN SU, CHEUN IL KUN, KIM JUN SUK, WOO HYUN, LEE BEOM SEOK
Format:	Patent
Sprache:	chi ; 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:	The invention relates to a glass etchant composition, more specifically, to a glass etchant composition forming a panel display. The glass etchant composition comprises 5-20 wt.% of HF; 10-50 wt.% of more than one inorganic acid selected from a group consisting of HSO, HPO, HCl, HCO, HNO and HClO; 0.5-10 wt.% of carboxylic acid; 0.01-5 wt.% of an inorganic nitrate salt as a first additive; and water residual. The glass etchant composition here provided brings high quality for transparency and surface roughness of glass processed, with stable etching capability, long service life and increased etching efficiency (etching sheet numbers).