Re: Rejuvenating ferric chloride etchants
2012-03-22 by Dave
A number of years ago, I had done some rough calculations and a bit of empirical testing (which turned out mostly unsatisfactorily), involving electrolytically
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Re: [Homebrew_PCBs] How do you suspend your PC board in the etching tank?
2012-03-22 by Benjamin Blumer
I won t make any claims that it works terribly well, but I use thick, insulated wire. I have two pieces in U shapes hanging from the lid of the etching tank.
Re: [Homebrew_PCBs] How do you suspend your PC board in the etching tank?
2012-03-22 by Stefan Trethan
I clamp the top edge. The clamp is made from two plastic (or FR4) plates, pulled together with a rubber band (piece of bicycle inner tube). To open the clamp
How do you suspend your PC board in the etching tank?
2012-03-22 by sheldon_mp_cooper
Do you use a DIY basket? Drill a hole and attach a length of fishing line? I m looking for the easiest method that avoids a mess and allows even etching by
Re: Rejuvenating ferric chloride etchants
2012-03-22 by sheldon_mp_cooper
... But, at that point, highly dangerous chlorine gas WILL be generated from the reaction, as was warned about in the other link I referred to where the gent
Re: [Homebrew_PCBs] Re: Phaser solid ink printers
2012-03-22 by Mark Lerman
In rereading your post, I see that you just wanted to use the printer to transfer the image. It should work, but these machines are very large and unless you
Re: [Homebrew_PCBs] Re: Phaser solid ink printers
2012-03-22 by Mark Lerman
I spent a month or so playing with a couple of these for pcb use and concluded that it wasn t worth the effort. While the wax is an excellent resist,
Re: [Homebrew_PCBs] Re: Rejuvenating ferric chloride etchants
2012-03-22 by Russell Shaw
... Citric acid powder is available from the local supermarkets in Australia here. ... The deep olive colour is when to add HCl and use as a long-term etchant.
Re: Phaser solid ink printers
2012-03-22 by Jkirk3279
I just picked up one of these printers off Craigslist for $40. It needed Cyan ink but it s running well. I wasn t planning to rebuild it, I just wanted to
Re: Etching tank photos?
2012-03-22 by sheldon_mp_cooper
OK, how about just short descriptions of your methods for suspending the PC board in the etchant?
Re: Rejuvenating ferric chloride etchants (was: Darkening laser printer toner?)
2012-03-22 by sheldon_mp_cooper
I wonder why more people aren t using it then. It is also mentioned here: SUPER CHARGING Ferric Chloride A new additive to help this etchant be more
Re: [Homebrew_PCBs] Re: Rejuvenating ferric chloride etchants
2012-03-21 by Harvey White
... I ve used a bubble stone, only to have the ferric chloride eat it. Not sure that the CuCl etchant wouldn t do the same. What etchant are you using and
Re: [Homebrew_PCBs] Re: Rejuvenating ferric chloride etchants
2012-03-21 by Bert Van Kets
... Some glues won t withstand the acids. You can use any porous material though. I have used bits of balsa wood as an aerator. Other woods are bound to work
Re: [Homebrew_PCBs] Re: Rejuvenating ferric chloride etchants
2012-03-21 by kabowers@NorthState.net
... Years ago I used aquarium aerators in FeCl with good results. I suspended the board over the liquid such that the bubbles/foam washed over the face of the
Re: [Homebrew_PCBs] Re: Rejuvenating ferric chloride etchants
2012-03-21 by John Anhalt
There is a bit of a misquote there. I do not glue my bubblers to the tank. I use Bubble Wall, which is made by Penn-Plax, Hauppauge, NY, USA
Re: [Homebrew_PCBs] Re: Rejuvenating ferric chloride etchants
2012-03-21 by Bert Van Kets
... Aren t those hoses also used for trickle irrigation in gardens? They look like grey, thick walled, foamy garden hoses. I ve had a lot of aquariums but have
Re: [Homebrew_PCBs] Re: Rejuvenating ferric chloride etchants (was: Darkening laser printer toner?)
2012-03-20 by Malcolm Parker-Lisberg
I use Edinburgh etch in my heated bubble tank, they doa hobby version too,
Etching tank photos?
2012-03-20 by sheldon_mp_cooper
Please post your clever etching tank setups so we can all steal each others great ideas.
Re: Rejuvenating ferric chloride etchants (was: Darkening laser printer toner?)
2012-03-20 by sheldon_mp_cooper
Here s a guy whose rejuvenation chemistry has allowed him to use the same ferric chloride etchant for four years (watch that chlorine gas, though):
Re: Rejuvenating ferric chloride etchants
2012-03-20 by sheldon_mp_cooper
... I m interested in that foam bubbler hose you mention, but I ve never seen it. Do you have a link to a source for the item or at least a photo of it so I
Re: [Homebrew_PCBs] Rejuvenating ferric chloride etchants
2012-03-20 by Russell Shaw
... I would have added the HCl, but also left the solids in there to dissolve. You may have removed the active ingredients;)
Re: [Homebrew_PCBs] Rejuvenating ferric chloride etchants
2012-03-20 by Russell Shaw
... Foaming too much sounds like you need to dilute with more water (like 50-100%). Add some HCl for faster etching too.
RE: [Homebrew_PCBs] JetStar better than LaserStar?
2012-03-20 by Boman33
Phil, Thanks for the data and update. I started to make a set of similar measurements with different materials, inks, ink colors, and printers but with all
Re: [Homebrew_PCBs] Rejuvenating ferric chloride etchants
2012-03-20 by John Anhalt
I spoke with the owner of Injectorall a couple of years ago. It is dip coated and gives very nice resolution. That is why I am reluctant to give it up. I m
JetStar better than LaserStar?
2012-03-20 by Philip Pemberton
Well, I m sick of playing with LaserStar, so I figured I d do a little experiment. I took a piece of LaserStar film I d printed on my Kyocera FS-C5200dn, and
Re: [Homebrew_PCBs] Rejuvenating ferric chloride etchants
2012-03-20 by Philip Pemberton
... Funny you should say that.... you just described the aeration setup in my etch tank :) I ve got one of those foam bubbler hoses glued to the bottom of the
Re: [Homebrew_PCBs] Re: Rejuvenating ferric chloride etchants
2012-03-19 by Benjamin Blumer
There s also this option for photo laminate: http://tech.groups.yahoo.com/group/Homebrew_PCBs/message/29135 Sent from my iPad On 2012-03-19, at 4:54 PM, Philip
Re: [Homebrew_PCBs] Re: Rejuvenating ferric chloride etchants
2012-03-19 by Philip Pemberton
... To be honest, I don t mind :) (the Mega stuff is negative-acting too) I ve tried spray-on photoresists -- the new formula Electrolube PRP is a complete
Re: [Homebrew_PCBs] Re: Rejuvenating ferric chloride etchants
2012-03-19 by John Anhalt
That is negative acting film. I meant the positive acting stuff. I believe the positive acting resists have simpler developer systems. John ... From: David
Re: [Homebrew_PCBs] Rejuvenating ferric chloride etchants
2012-03-19 by John Anhalt
For my aerator, I use an aquarium pump and plastic tubes from the pet store. I would not recommend the stone variety. I agree with you on the photoresist.
Re: Rejuvenating ferric chloride etchants
2012-03-19 by David
Phil, I have used this, a lot less £s than Mega!!
Re: [Homebrew_PCBs] Rejuvenating ferric chloride etchants
2012-03-19 by Philip Pemberton
... OK, it looks like what I ve ended up with is somewhat close to that -- almost black liquid, but with green foam (and foam it does: I had to turn the air
Re: [Homebrew_PCBs] Rejuvenating ferric chloride etchants (was: Darkening laser printer toner?)
2012-03-19 by John Anhalt
Hi Phil, This describes the whole process with cupric chloride: http://members.optusnet.com.au/eseychell/PCB/etching_CuCl/index.html I have been using it for
Rejuvenating ferric chloride etchants (was: Darkening laser printer toner?)
2012-03-19 by Philip Pemberton
... Well, I ve just filtered the etchant through a piece of kitchen roll (my first choice was coffee filter paper -- I didn t have any, so I figured kitchen
Re: [Homebrew_PCBs] Darkening laser printer toner?
2012-03-19 by Russell Shaw
... If it s dark green, it will etch perfectly well using a different chemistry if you use bubble agitation, and add a bit of hydrochloric acid from the
Re: [Homebrew_PCBs] Darkening laser printer toner?
2012-03-19 by Leon Heller
... If it s dark green, it s probably exhausted. Leon -- Leon Heller G1HSM
Re: [Homebrew_PCBs] Darkening laser printer toner?
2012-03-19 by Leon Heller
... Fotoboard 2 works very well for me. FeCl3 doesn t go off, I ve used the same bottle of it for over a year. It needs to be used warm, with constant
Re: [Homebrew_PCBs] Darkening laser printer toner?
2012-03-18 by Philip Pemberton
... I know -- my Canon iP4600 does a great job on JetStar Premium. It s just I ve got three packs of LaserStar which I d like to see working... otherwise
Re: Etching problem - Help please - Result
2012-03-18 by Pete
Hi All, As promised I am posting the conclusion to the etch problem I request help for and for which I received many suggestions. I can now etch the boards
Re: [Homebrew_PCBs] Darkening laser printer toner?
2012-03-18 by Leon Heller
... You can buy a solvent which evens out the toner deposit. You d be better off with an inkjet printer, though. Leon -- Leon Heller G1HSM
Re: [Homebrew_PCBs] Darkening laser printer toner?
2012-03-18 by Benjamin Blumer
Does anyone know the logistics of the printing protocols when it comes to density? It sure would be helpful for both transparencies and toner transfer if we
Re: [Homebrew_PCBs] Darkening laser printer toner?
2012-03-18 by kabowers@NorthState.net
... I ve never messed with that brand, but can you tell it that it is printing on different materials? That may change toner density. Keith Bowers WB4LSJ-
Re: [Homebrew_PCBs] Darkening laser printer toner?
2012-03-18 by John Anhalt
I used to use inkjet for my transparencies and just got tied of having to replace dried out cartridges. My printer is an HP LaserJet 4101mfp. It also cannot
Darkening laser printer toner?
2012-03-18 by Philip Pemberton
Hi all, A few of you may be aware of the... issues I ve had with LaserStar film and my Kyocera printer. Basically, the toner ends up forming blotches as it
Re: [Homebrew_PCBs] Looking fot Tutorials for soldering SMD's
2012-03-16 by Dylan Smith
... It doesn t move 0603 parts at least. The solder paste will keep them stuck in place. One thing you do have to watch out for with small parts is
Re: [Homebrew_PCBs] Re: ground planes
2012-03-16 by Harvey White
... Depending on how linear your printer is, when trying to match layers, you may wish to do the following: 1) on the top layer, check mirror and upside down.
Re: [Homebrew_PCBs] Looking fot Tutorials for soldering SMD's
2012-03-16 by Stefan Trethan
Hot air does not move the parts because they are held by surface tension of the solder. To solder single sided boards I have found the skillet or hotplate
Looking fot Tutorials for soldering SMD's
2012-03-16 by acidblue
Looking for tutorials on toaster method of soldering smd parts. Any advice on soldering smd parts would be appreciated. I do not want to hand solder them!
Re: ground planes
2012-03-16 by sailingto
Thanks for the info - that works a treat. I m just learning Eagle - much more familiar with ExpressPCB, but that program does not allow me the option of mirror
Re: [Homebrew_PCBs] Re: ground planes
2012-03-16 by Harvey White
... I suspect that it fixes pinholes, but we re talking *thin* here. Not sure that even green TRF will fix this.... Harvey