Patent
Method for etching glass
TLDR
In this article, the surface of glass is mirror-finished and immersed into one or more kinds of an etching solns, selected from among HNO3, H2SO4 and HCl, alkaline such as NaOH and NH3, and org. acid solns.Abstract:
PURPOSE:To reduce the haze of ruggedness formed on the surface of glass by carrying out pre-etching with a hydrofluoric acid etching soln. or an etching soln. selected among inorg. acid, alkali and org. acid solns. CONSTITUTION:The surface of glass is mirror-finished and immersed into one or more kinds of an etching solns. selected among one or more kinds of hydrofuloric acid type etching soln selected from among 0.1-65wt.% HF, NH4 and HBF4, one or more kinds of inorg. acids selected among HNO3, H2SO4 and HCl, alkaline such as NaOH and NH3, and org. acids such as acetic acid at room temp. for about 5 min. The surface of the glass is then washed and dried.read more
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Method for etching glass substrate
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