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Subject: Re: [Homebrew_PCBs] Re: Etching tank

From: Dave <theschemer@...>
Date: 2007-11-25

Dennis Waggoner wrote:
>
> If your using HCL and H202 Use only a plastic or rubber container. No
> metals!
>
> I use 1 part HCL and 3 parts H202 in cold weather and 1 part HCL and 4
> parts H202 in warm weather. Not nessecery to heat the solution.
>
> For a 6X6" PCB or smaller I have a tupperware square container about
> 10" square and cover the pcb with about 1/2 to 3/4' of a inch of etchant.
>
> I found that I you gently pry up one side of the PCB with a plastic
> fork or knife so that it is lifted up out of the etchant back and
> forth the removal will go faster. About five minutes to etch a 6x6"
board\
>
> Dennis Waggoner

Thanks for the added info. I like the part about "no heat" necessary.
Dave