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2004-02-17 by mumin55555
hallo! i'm making a lot of pcb's in big amounts and i want to built an etching tank. i wanted to know what is the best way to etch a lot of pcb's at once, and if there is a way to use less etchent for all the pcb's. i also want to know how do i heat the etchent every time without letting it touch heaters made of metal? thanks a lot mumin.
2004-02-17 by bsjoelund
--- In Homebrew_PCBs@yahoogroups.com, "mumin55555" <MUMIN55555@H...> wrote: > hallo! > > i'm making a lot of pcb's in big amounts and i want to built an > etching tank. i wanted to know what is the best way to etch a lot Hi Mumin, Take the jobs outside = more economical and better!! Bengt
2004-02-17 by Leon Heller
----- Original Message -----
From: "mumin55555" <MUMIN55555@...> To: <Homebrew_PCBs@yahoogroups.com> Sent: Tuesday, February 17, 2004 3:38 PM Subject: [Homebrew_PCBs] a question about an etching tank!!! > hallo! > > i'm making a lot of pcb's in big amounts and i want to built an > etching tank. i wanted to know what is the best way to etch a lot of > pcb's at once, and if there is a way to use less etchent for all the > pcb's. i also want to know how do i heat the etchent every time > without letting it touch heaters made of metal? Spray etching is probably the way to go if you want to minimise the amount of etchant. Something like an aquarium heater with the element in a glass envelope should work for heating the etchant; it doesn't need to be all that hot. Or, you can simply heat the base of the tank from the outside. I think that is how it is done with those small etching systems that you can buy. Leon -- Leon Heller, G1HSM Email: aqzf13@... My low-cost Philips LPC210x ARM development system: http://www.geocities.com/leon_heller/lpc2104.html
2004-02-17 by Stefan Trethan
On Tue, 17 Feb 2004 15:53:03 -0000, bsjoelund <tecnoconsult@...> wrote: > --- In Homebrew_PCBs@yahoogroups.com, "mumin55555" <MUMIN55555@H...> > wrote: >> hallo! >> >> i'm making a lot of pcb's in big amounts and i want to built an >> etching tank. i wanted to know what is the best way to etch a lot > > Hi Mumin, > > Take the jobs outside = more economical and better!! > > Bengt Go to yahoo group Commercial_made_PCBs then and not to Homebrew_PCBs ;-) No, to be serious: if you use a sulphuric etchant you can have stainless steel etching containers (which you can weld). and there are stainless steel heaters available. If it is something else you need plastic containers and heaters in plastic, or glass, or very expensive metal hulls. the most simple is most likely to heat the bath from the bottom. How big amounts are we talking? ST
2004-02-18 by Fam. Hedegaard
Hey Mumin You can youce a heating element aimed for an akvarium. It it slow, but it is reliable. greatings Jens
----- Original Message -----
From: mumin55555
To: Homebrew_PCBs@yahoogroups.com
Sent: Tuesday, February 17, 2004 4:38 PM
Subject: [Homebrew_PCBs] a question about an etching tank!!!
hallo!
i'm making a lot of pcb's in big amounts and i want to built an
etching tank. i wanted to know what is the best way to etch a lot of
pcb's at once, and if there is a way to use less etchent for all the
pcb's. i also want to know how do i heat the etchent every time
without letting it touch heaters made of metal?
thanks a lot
mumin.
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