[sdiy] PCB making

[Batz Goodfortune]

Y-ellow Terry 'n' all.

At 06:37 PM 1/2/07 -0500, KA4HJH wrote:

>Model railroaders do the same thing before painting a brass locomotive.
>It's called "pickling". You don't need to use etchant for this--any
>moderately acidic solution will work but unfortunately I don't recall any
>dilutions or times. Google might be a good place to start...

Mmm. Sounds like there's more cats and skinning methods here. I'd often 
thought about methods for making front panels like this perhaps. Never put 
any to the test. Specially where Aluminium is involved. All kinds of nasty 
chemical reactions apparently. Terry is the chemist so I'm sure he'd be 
able to enlighten us. Hint Hint. And maybe this might spur him to think 
about other uses. Hint hint hint.

But the reason for using the etchant or caustic solutions is simply that 
they're handy. You need them to make the boards so it's just a matter of 
re-purposing them slightly.

Makes me hanker for making some PCBs now just to try all this. I've got 
some TTS film somewhere. Remind me to kick myself back into reality later. 
PCB fabbing = too much trauma.

Be absolutely Icebox.

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