SS = stainless steel. The Splash tank is about as agressive as a good spray tank and has more action than a bubbler. Wtih a spray thank you could do both sides at once. To do the same on a splash tank you need two dashers, one on each side of the board. Craig --- In Homebrew_PCBs@yahoogroups.com, "Jeff Heiss" <jeff.heiss@...> wrote: > > I like the splash etcher drawing. What does SS stand for in the SS paddle? > How would you compare the performance of a splash ether to other etch tanks > like wave, bubble, or spray? > > > > Jeff > > > > _____ > > From: Homebrew_PCBs@yahoogroups.com [mailto:Homebrew_PCBs@yahoogroups.com] > On Behalf Of designer_craig > Sent: Sunday, December 16, 2012 1:23 PM > To: Homebrew_PCBs@yahoogroups.com > Subject: [Homebrew_PCBs] Re: Bernoulli sprayer > > > > > > Jeff, > I built the tank back in 1975 and used it off and on for many years. Back in > 2000 I was down sizing due to an upcoming move and got rid of it with a lot > of other stuff. I could find no photos but I did draw up a sketch a while > back. Go to the files section of the forum and look under Craigs-files. I > used this etcher with annonium persulfate becasue I had an easy supply of > the stuff. The company I worked for had a captive PCB shop and used the AP > as part of the process. I had an imersion heater to get it up to the 140F > etching temp. Fresh hot etchant would do a board is 30 to 60 seconds. > > Don' know if I would use it with Feric Chloride becasue of the mess that the > stuff makes, stains everyting it touches. CuCL2 should work fine as well but > out side because of the HCL fumes. AP is so clean to work with. > > There are photos of my spin coater and pcb drill in the photo section under > Craigs photos > > Craig > > --- In Homebrew_PCBs@yahoogroups.com > <mailto:Homebrew_PCBs%40yahoogroups.com> , "Jeff Heiss" <jeff.heiss@> > wrote: > > > > Any pictures of your tank available? > > > > > > > > Jeff > > > > > > [Non-text portions of this message have been removed] >
Message
Re: Bernoulli sprayer
2012-12-17 by designer_craig
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