Laser Printer Alternative
2008-05-04 by Robin
I don t have a laser printer and I don t have the funds to invest in a laser printer right now, but I still want to create my own PCBs. All I have access to
Messages
Browse messages
Page 303 of 707 · 35337 messages matched
Re: etch tank idea
2008-05-01 by Jon Elson
... be a ... I used a magnetic drive pump on an etcher some years ago. The etchant slowly ate the magnet material, eventually ruining the pump. I made a pump
Re: Laser Printers
2008-05-01 by Andrew
... I have one of the xerox monster docucenters here. They do produce the best photo-tools of any printer I have seen. It is unfortunate they cost as much as
Re: [Homebrew_PCBs] Laser Printers
2008-05-01 by KeepIt SimpleStupid
... I think what you have is a printer that needs servicing. You don t want to print on transparency film. Try to find some polyester paper. It will do
Re: [Homebrew_PCBs] Re: etch tank idea
2008-05-01 by Adam Seychell
... The false walls would need to extend the entire length of the tank so there is no mixing between the rising and falling fluid flow. I d also think they
Re: [Homebrew_PCBs] Re: etch tank idea
2008-05-01 by Stefan Trethan
... The false walls mustn t be too close to the PCB either or the flow will be impeded. I don t think bubble drive will create much pressure. I was thinking
Laser Printers
2008-05-01 by Frank
Sorry for the What s the best laser printer post but I need advice. I am currrently using a Xerox DocuPrint 240A to produce positive PCB artwork which I then
Re: etch tank idea
2008-04-30 by warrenbrayshaw
I have been pondering the false walls idea for a while. I would experiment with driving the bubbles up the tank walls to cause the return flow of Unbubbled
Re: etch tank idea
2008-04-30 by Andrew
... How about false walls and have the bubble flow up the PCB and the fluid flow down the side in a seperated channel behind the false walls ... -----------
Re: [Homebrew_PCBs] Re: etch tank idea
2008-04-30 by Adam Seychell
... It still might be possible to understand bubble etching enough to build a tank that etches uniformly. I m suspecting the tank needs to be wide enough so
Re: [Homebrew_PCBs] Re: etch tank idea
2008-04-30 by DJ Delorie
... I have a bunch of containers that are various cut up gallon milk jugs. If you happen to need to pour things around, the top part acts like a built-in
Re: [Homebrew_PCBs] Re: etch tank idea
2008-04-30 by Mike Bauers
Thanks for the info........ I ve got a small lathe and making new bushings from something else is something I can do. Best to ya, Mike Bauers Milwaukee, Wi
Re: [Homebrew_PCBs] Re: etch tank idea
2008-04-30 by Mike Bauers
You may have spend more then $20 for the guts........... But there is no reason to go high cost for the rest. It s not difficult to build everything in a
Re: [Homebrew_PCBs] Re: etch tank idea
2008-04-30 by Mark Brueggemann
... The issue I had with the DynaArt setup was that it used a particular size and style of pump, so selection for alternates was limited. The primary failure
Re: etch tank idea
2008-04-29 by garydeal
... Yes, but, cost to build? Space required? Possible failure considerations? (doesn t he mention having ferric chloride spraying around the garage in one
Re: [Homebrew_PCBs] Re: etch tank idea
2008-04-29 by Adam Seychell
... Its been mentioned before but a aquarium pump suitable for saltwater should fit the bill. All are aquarium pumps are mag drive, but saltwater pumps won t
Re: [Homebrew_PCBs] Re: etch tank idea
2008-04-29 by Stefan Trethan
... You could study medicine and become a heart surgeon, then you d likely have access to both types as surplus ;-) ... Or that ;-) ST
Re: [Homebrew_PCBs] Re: etch tank idea
2008-04-29 by Matthew Smith
Quoth Mark Brueggemann at 2008-04-29 22:55... ... You want either a magnetic drive pump (polypropylene would probably be a suitable material) or a peristaltic
Re: [Homebrew_PCBs] Re: etch tank idea
2008-04-29 by Mike Bauers
Much of what you need has already been worked-out, and worked with......... How about this bit of detail on a fellows working etch system ???? **********from
Re: [Homebrew_PCBs] Re: etch tank idea
2008-04-29 by Mike Bauers
The Wave Master.... It went out of production some time ago. I bought a kit version and later the assembled Mark-II version. The kit is still un-assembled. I
Re: [Homebrew_PCBs] Re: etch tank idea
2008-04-29 by Mark Brueggemann
... Pulsar (formerly DynaArt) sold an etch tank that used two fish tank pumps to force etchant over a molded plexiglas sheet to create a laminar flow. You
Re: [Homebrew_PCBs] Re: etch tank idea
2008-04-29 by Mark Lerman
Now that I think about it, the paper was emulsion side down, and floated on the laminar flow. I think - getting old, hard to remember exactly.
Re: [Homebrew_PCBs] Re: etch tank idea
2008-04-29 by Mark Lerman
Many years ago I built an automatic color print processor. The hardest part was getting a Laminar Flow across the surface of the paper so that it would develop
Re: [Homebrew_PCBs] Re: etch tank idea
2008-04-29 by Leon
Has anyone tried ultrasonics? The cavitation on the copper surface should speed up the etching process considerably. Leon -- Leon Heller Amateur radio
Re: [Homebrew_PCBs] Re: etch tank idea
2008-04-29 by Stefan Trethan
That s a neat idea too. Instead of spray etching why not rinse etch . ST
Re: [Homebrew_PCBs] Re: etch tank idea
2008-04-29 by Stefan Trethan
This is what i was thinking too. In a vertical tank the bar could be a steel rod in a piece of insulation, moved by magnets through the glass. Think windscreen
Re: etch tank idea
2008-04-28 by drpain1313
... Many years ago (10? 15?) when I used to do a lot more board building, I had bought a low-cost etch tank that used a pump to move the etchant over a ramp of
Re: [Homebrew_PCBs] Re: etch tank idea
2008-04-28 by Brian Goralczyk
I believe I can explain it. The agitation of the etchant would spead up the process, however what is actually causing the agitation is the edges of the board
Re: [Homebrew_PCBs] Re: etch tank idea
2008-04-28 by Adam Seychell
... Thanks for sharing your experience. I guess the motorised cam wheel idea won t work then. I can t explain why that would happen, but I believe you.
Re: [Homebrew_PCBs] design pcb's
2008-04-28 by Leon
... From: furquan_rehman_khan To: Sent: Monday, April 28, 2008 9:16 AM Subject:
Re: [Homebrew_PCBs] Newbie: which printer to buy?
2008-04-28 by listgroups08@ozwebwiz.com
... From: Matthew Mucker Hello all. I m new to the group and homebrew etching. If I get back into the electronics hobby the way I want to, homebrew etching
design pcb's
2008-04-28 by furquan_rehman_khan
pleaase tell me how I design my PCB on orcad 10.0.please give me the steps. how can I am convert my electronic circuits on PCB?
Re: [Homebrew_PCBs] Re: etch tank idea
2008-04-28 by Adam Seychell
... I d have to agree. Periodic rocking produces about the best results next to full blown spray etching. The only drawback is it can be fairly labour
Re: PCB EDM (again!)
2008-04-28 by curt_rxr
... Hi Herbert, The original idea came from a subscriber to the list who was IIRC an EE professor at Oregon or Washington and posted his procedure for making
Re: [Homebrew_PCBs] Re: etch tank idea
2008-04-28 by Mike Bauers
Are you folks aware of this site and it s detailed instructions to make and use a spray tank etcher ??? http://www.prototrains.com/etch1/etch1.html
Re: [Homebrew_PCBs] Re: etch tank idea
2008-04-28 by Adam Seychell
... I agree. The complexity and other problems (corrosion of mechanical pats, vibration, ease of fastening the PCB) could easily outweigh any advantage. ...
Re: [Homebrew_PCBs] Newbie: which printer to buy?
2008-04-27 by Myc Holmes
Hi Matthew, I ve been using the ML-2010 (an earlier model) for a couple of years now. It works fine for TT. These newer laser printers have a toner that
Re: [Homebrew_PCBs] Re: etch tank idea
2008-04-27 by Adam Seychell
... I have tried that method several times , and has never worked well. First, I had problems from trapped air bubbles when laying down the PCB on the surface.
Newbie: which printer to buy?
2008-04-27 by Matthew Mucker
Hello all. I m new to the group and homebrew etching. If I get back into the electronics hobby the way I want to, homebrew etching is going to save me some
Re: etch tank idea
2008-04-27 by pork_u_pine2000
I have purchased the standard Teflon-jacketed magnets several times from science equipment suppliers marketing to kids & teachers. They cost a bit more than
Re: [Homebrew_PCBs] Re: etch tank idea
2008-04-27 by Stefan Trethan
Yes, but a horizontal system has several drawbacks. Larger footprint. Difficulty with doublesided boards. large lid to seal. Higher evaporation ratio. I want
Re: [Homebrew_PCBs] Re: etch tank idea
2008-04-27 by Chris Hart
I don t worry about agitation. I simply leave everything still, and float the board on about a quarter to half inch of echant. The used echant is heavier
Re: [Homebrew_PCBs] Re: etch tank idea
2008-04-27 by Leon
I get excellent results with manual agitation - rocking the container. Some years ago the ARRL Handbook had a simple PCB etching system using a eccentric
Re: [Homebrew_PCBs] Re: etch tank idea
2008-04-27 by Stefan Trethan
I think if the PCB moves etchant like a paddle, creating a current, it might work. ST
Re: [Homebrew_PCBs] Re: etch tank idea
2008-04-27 by Craig vk2zcm
I had a play with a piece of printed circuit board sitting flat copper side down on the surface of the etchant It was connected to a tiny variable speed motor
Re: [Homebrew_PCBs] Re: etch tank idea
2008-04-27 by Stefan Trethan
I d say it would probably work in a vertical tank, but moving the PCB would add complexity to the holder. Uniformity is rotten in my tank too, especially since
Re: [Homebrew_PCBs] PCB EDM (again!)
2008-04-27 by Herbert E. Plett
... is this modification/process proprietary ? or can you share it? (please)
Re: [Homebrew_PCBs] Re: etch tank idea
2008-04-26 by Matthew Smith
Quoth Adam Seychell at 2008-04-27 07:58... ... How about this: consider a normal bubble etch tank. Rather than having two clips on a board attached to
Re: [Homebrew_PCBs] Re: etch tank idea
2008-04-26 by Adam Seychell
... Interesting. I wonder if this concept could be made to work in a vertical tank. The PCB could be mounted to an plastic shaft that is attached to some cam
PCB EDM (again!)
2008-04-26 by curt_rxr
Hi all, When this list first started, I posted about my attempts to turn an HP Deskjet into an EDM machine for PCBs, but I abandoned the project after Stefan