> I discovered about 15 years ago a technique which
> has worked
> flawlessly for me and etches in about 5 min.: Float
> the board,
> copperside down, on the etchant. The surface
> tension of the FeCL3
> easily supports the board. As the copper disolves
> into the FeCL3
> the Fe, which is heavier, drops to the bottom of the
> container.
Anyone else had this brainwave ?
Sounds nice ! So why do others use agitators ?
Anyone ?
> progress just fine through the board. Heating (luke
> warm) the FeCL3
> first does help, but we all know that. Just drop
> the board on to
> the etchant, walk away for 5 minutes, and the board
> is done. Give
> it a try next time.
How much FeCl3 you mix up with the water ?
Do you keep it heated ?
KamalS
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