Re: Etching glass

[Mark McDaniel <mcdaniel@babbage.sosu.edu>]

Ric,

The semiconductor industry used an Ammonium Fluoride solution to etch glass.
I don't know if this would be any better for you.



>     
>     2)  About a month ago, I requested information on any known 
>     methods for etching glass that would avoid the use of hydrofluoric 
>     acid (a better means for eliminating generation of the calcium 
>     fluoride sludge).  Unfortunately, the best, and only, response I 
>     received was not applicable, and involved the use of abrasive 
>     material.  I'm rather sure a chemical etching process would be 
>     needed (the inside of a glass (light) bulb is the object needing 
>     etched).
>     

Mark
mcdaniel@babbage.sosu.edu