<davesage12@...> wrote:
>
> Second, I made some Cupric chloride according to the intructions from an internet ...link.. I think presented here (search Etching with Air Regenerated Acid Cupric Chloride). Although making it is a bit nasty (fuming HCL) and time consuming (about 2 weeks), it is fine once created and works incredibly well. Best of all it can be regenerated and used again. Also it is a lot less messy than ferric chloride (and cheaper too).>
> Sage
>
Hi sage, I searched the messages for the link you mentioned..
http://pacificsun.ca/~robert/pcb/cucl.htm Pretty good
> >>>>page on CuCl. Lots of precision chemistry.
And it appears to be down..
Do you have more specifics on the process you used..
Thanks.