Homebrew PCBs

On Mon, 23 May 2005 11:54:09 -0400, microsoftwarecontrol  
<microsoftwarecontrol@...> wrote:

> I really get high quality pcb. One of important tool
> is accurate temperature control from my tmpr module.
> http://ca.geocities.com/microsoftwarecontrol/tmpr/tmpr.htm
> Now, all other points in home PCB is solved perfectly, only problem
> to me is etching uneven! I prepare to build a contant temperature tank,  
> with
> fuild in cycling.
> By the way, if any body need my tmpr module, you can email me. I will  
> enjoy
> my time turn out with some cash. And only if you can handle 110  
> electricity.
>


Nice work there..

What sort of etchant agitation do you use?
I found with smaller bubbles from the bubbler hose my etching is OK now.  
It is still faster at the bottom edge, but that is to be expected .

ST