>I use the gravity method, with saturated ferric chloride solution. As the
>specific gravity of the solution is higher than the board, it floats
>easily.
>Sadly, this is not so easy with ammonium perchlorate.

I'm not sure what you mean by "saturated", and I'm not sure what you mean by
"board".

But I"m sure that the 1/16" FR4 boards I'm using are denser than the ferric
chloride I'm using :-)

Colin

_________________________________________________________________
Add photos to your e-mail with MSN 8. Get 2 months FREE*.
http://join.msn.com/?page=features/photos&pgmarket=en-ca&RU=http%3a%2f%2fjoin.msn.com%2f%3fpage%3dmisc%2fspecialoffers%26pgmarket%3den-ca

--
http://www.piclist.com hint: The list server can filter out subtopics
(like ads or off topics) for you. See http://www.piclist.com/#topics