'NATURALMENTE'
Inge, could you send me that table please?
I am trying to etch aluminum using copper as an etch resist. Any good 
suggestions will be appreciated.
Jac

At 11:21 AM 17/02/2012, you wrote:
>Ooouance upon the time, the electronic industries valued their analysis
>labs so much, that they sent people on advanced courses in analysis
>techniques. No, I don't tell a lie, it's as true as that Budweiser beer is
>tasteless.
>
>Well, visiting such seminars, many valuable books were requisited and were
>the analyst's pride. Sad enough, lots went into the waste bins during the
>years when many labs were guillioutined with the purpose to save money. One
>such book that I saved from the fire is now in my private bookshelf. It was
>a series of books, but I was not fast enough to get my hand on them all.
>Anyway, there is a nice table that has the 30 most used elements in the
>electronics industry on the Y and a number of aggressors on the X. So, from
>this you can always  find the BASE for a functioning etchant. But you need
>find out the proportions yourself.  That's why etchants for a specific
>metal or alloy is so hard to find. It's like the baker's recipe on his best
>cakes. He is not willing to share. Furthermore, I've shared etchant
>mixtures, and people called me and said it didn't work. Because: it
>depends....on what you want to see. Simple as that. Therefore, most
>analysts develop mixtures adressed to the actual sample.
>
>A long litania, Victor, did you fall asleep? If you are interested in the
>table above, just say 'NATURALMENTE'
>
>Inge
>
>I'm sure someone has the etchant for your alloy.
>
>
>
>
>On 17 February 2012 17:11, Victor Hernandez 
><[log in to unmask]>wrote:
>
> > Fellow TechNetters:
> >
> >   Can someone provide a recommended etchant for the above stated alloy.
> > Want to determine micro structure.
> >
> > Victor,
> >
> >
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