Re: [Homebrew_PCBs] Building an etching tank?
2011-01-21 by DJ Delorie
... I ve done it in 45 seconds. To heat the etchant, I just half-fill a small bucket with hot tap water and put the sealed etchant bottle in it, 15 minutes
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Re: [Homebrew_PCBs] Building an etching tank?
2011-01-20 by Jan Kok
... Just tried the brushing-with-sponge technique, with excellent results. Got very well defined 10 mil trace/spaces on a one-sided board with 1/2 oz copper.
DorkbotPDX (Portland, OR) doing group PCB orders
2011-01-20 by AlienRelics
Just added this to the Links. Next group order goes out Jan 24, still lots of room on the order. DorkbotPDX Group Orders DorkbotPDX puts together a huge group
Re: [Homebrew_PCBs] Gas Masks
2011-01-16 by Trevor Matthews
There are several factors which affect how long the mask with adequately filter out vapours. The previous posts are all correct - once opened, a filter has a
Re: [Homebrew_PCBs] Re: Building an etching tank?
2011-01-16 by Peter Leybourne
Hmmm! New to the group and sent an email about eight hours ago. So far nothing came back! Peter MM5PSL [Non-text portions of this message have been removed]
Re: Building an etching tank?
2011-01-15 by tgr8883
I generally agree; CuCl and CuCl2 aren t too dangerous as long as your exposure to them is limited to infrequent inhalation. Here are the MSDS for each of
Re: [Homebrew_PCBs] Gas Masks
2011-01-15 by Larry Battraw
On Sat, Jan 15, 2011 at 2:09 PM, Nathan House ... More like this one:
RE: [Homebrew_PCBs] Gas Masks like this?
2011-01-15 by Brian Gracia
Yes, something like that, but go with the professional, not the household one. Also, make sure to get the right size. They come in small, medium and large.
RE: [Homebrew_PCBs] Gas Masks
2011-01-15 by Nathan House
Are you guys talking about something like this?:
RE: [Homebrew_PCBs] Gas Masks
2011-01-15 by Brian Gracia
Just a note on the mask vapor cartridges. Once opened, they are only good for a certain number of hours. Check the package. I worked for a business that
Re: [Homebrew_PCBs] Re: Building an etching tank?
2011-01-15 by Peter Leybourne
I ve not read a lot of the comments on this subject so this may already be covered. My two roubles worth if I may! Part of the problem seems to be sealing
Re: [Homebrew_PCBs] Re: Building an etching tank?
2011-01-15 by Nathan House
... in ... chemistry ... So how did you deal with it? Just store and use the etchant away from any metal objects? ... etching ... respirator ... Really? I
Re: [Homebrew_PCBs] Gas Masks
2011-01-15 by Larry Battraw
... Don t waste your money on the paper type though, they must be the silicone rubber type and have charcoal filters. I use a 3M type with charcoal filters +
Re: [Homebrew_PCBs] Re: Building an etching tank?
2011-01-15 by Larry Battraw
On Fri, Jan 14, 2011 at 9:56 PM, Nathan House ... I use the smallest fish tank (glass, with a glass top that fits into the grooves on the top --PetsMart) I
Gas Masks
2011-01-15 by Jim Miller
Safety masks are inexpensive and are available at HD and Lowes. They re good for dust and vapors. They have replaceable filtration elements. Recommended. jim
Re: [Homebrew_PCBs] Re: Building an etching tank?
2011-01-15 by Leon Heller
... I ve had that problem. ... They are more unpleasant than dangerous. Leon -- Leon Heller G1HSM
Re: [Homebrew_PCBs] Re: Building an etching tank?
2011-01-15 by kabowers@NorthState.net
... When I switched over from FeCl to CuCl I used the same plastic tray with snaps on all four sides that I had used for several years. It had a red plastic
Re: Building an etching tank?
2011-01-15 by Ben L
... After I gave up on the Fish Tanks and using FeCL3 I now use CuCL in a Plastic Container that I keep on the back porch. CuCL is a lot cheaper to use than
Re: Building an etching tank?
2011-01-15 by Ben L
... I have used some glass fish tanks using Ferric Chloride. It will break down the sealant over time and start to leak. I went thru 3 tanks and decided to
Re: Building an etching tank?
2011-01-15 by Nathan House
So it sounds like building a tank will probably work, but may not be worth it. I guess I ll have to think about it some more before deciding whether to do it
Re: water jet and spray painted board
2011-01-14 by Andrew
There are three issues that I would guess would cause problems -- and this is only guessing, so take this for what it is worth: 1) Regulating the pressure and
Re: [Homebrew_PCBs] Re: Roland DXY 800/880
2011-01-13 by Bill Maxwell
Thanks Zoran. That could prove very useful. Bill
RE: [Homebrew_PCBs] Re: water jet and spray painted board
2011-01-13 by Jeff Heiss
Andrew, indeed it might be something I might like to try. Just curious why do you think it would not give suitable results? _____ From:
Re: water jet and spray painted board
2011-01-12 by Andrew
Given that waterjets are used to cut steel, I expect something like this is feasible ... but I have doubts that it is going to give very good results. Of
Re: [Homebrew_PCBs] Re: Roland DXY 800/880
2011-01-12 by Bill Maxwell
Later find in the manual. The RD-GL language is described as a ...high performance graphic language that has compatibility with other graphic languages widely
Re: [Homebrew_PCBs] Re: Roland DXY 800/880
2011-01-12 by Zoran A. Scepanovic
... Hash: SHA1 ... You can try: (link may be wrapped!) - -- Best
Re: [Homebrew_PCBs] Re: Roland DXY 800/880
2011-01-12 by Bill Maxwell
According to the limited information contained in the DXY-880 manual, it supports both the DXY plotting language , presumably that used on the DXY800, and
Re: Roland DXY 800/880
2011-01-12 by davethesteam66
Hello Dave, Thanks for the reply. I ve managed to get the DIP switch settings for the 880 from a chap called Bill, the 880 settings are not the same as the
Re: [Homebrew_PCBs] Re: Laser Cut PCB's
2011-01-12 by Andrew Leech
... I ve used conductive paint a few times and the stuff I m used to is basically silver particles suspended in a thin lacquer, although you can get thicker
Re: [Homebrew_PCBs] Laser Cut PCB's
2011-01-12 by Mark Lerman
I m not sure I would like to try to solder to this stuff - it seems to be a sort of conductive latex paint.
Re: Laser Cut PCB's
2011-01-12 by steve
Just wondering if that conductive paint could be used in an ink jet printer? Steve
[Homebrew_PCBs] Laser Cut PCB's
2011-01-12 by Andrew Leech
Here s another interesting method. Simple if you happen to have the right tools around (I don t), even if probably only suitable for a somewhat limited range
Re: Roland DXY 800/880
2011-01-10 by Dave Sage
The title of this topic is DXY800 / 880 which are different plotters. The DXY800 is more like the DXY101 (and the manual says so). In any case the DIP switches
Re: Building an etching tank?
2011-01-10 by Mike Bushroe
... Please trim old portions of posts. This get particularly bad for those of us who get the list in digest form. Thanks you. Mike [Non-text portions of this
Re: water jet and spray painted board
2011-01-10 by AlienRelics
It seems like Dykem metal marking fluid (aka Machinist s Bluing or layout fluid) would be a better coating as it is meant to be scratched off without coming
Re: Building an etching tank?
2011-01-10 by tgr8883
I did exactly what you suggested about three years ago. I scored the sheets of acrylic with a straight edge and razor blade for relatively straight and clean
Re: [Homebrew_PCBs] Re: Building an etching tank?
2011-01-10 by Leon Heller
... I tried a low-cost bubble etch tank and it was a waste of time - it took ages to heat up and the etching was very uneven. I get much better results with
Re: Building an etching tank?
2011-01-10 by Jeff
You could do a spray tank for better results.
water jet and spray painted board
2011-01-10 by Jeff
To follow up on the Electrical Discharge Machining plus painted board plus CNC x-y table discussion, I would like to suggest a similar idea. What do you
Re: [Homebrew_PCBs] Building an etching tank?
2011-01-09 by lists
In article , ... Yes, I ve been keeping an eye out for that sort of thing. A lot of them are Polypropylene, which
Re: [Homebrew_PCBs] Building an etching tank?
2011-01-09 by Harvey White
... Rubbermaid or the equivalent plastic cereal container. Takes lots of etchant, but has never deteriorated. Be careful with some of the sealing rings, they
Re: [Homebrew_PCBs] Building an etching tank?
2011-01-09 by lists
In article , ... I was looking at doing that too. My existing (commercial) bubble-etch tank is on the way out. However, investigating
Re: [Homebrew_PCBs] Re: Roland DXY 800/880
2011-01-09 by Dave M
Ridge Electronics has the manual at https://www.ridgeequipment.com/store/manuals/search.php?query=roland. Not free, but very reasonable. These guys are good
Re: [Homebrew_PCBs] Building an etching tank?
2011-01-09 by Paul Whatton
Hi Nathan I bought a Velleman ET10 hobbyist tank at a ham radio rally (flea market) and paid GBP 20 for the both the tank and a UV light box :-) The
Re: Roland DXY 800/880
2011-01-09 by ct1fgw
... Hi David, I have the same plotter I use for printing directly on the pcboards with a water resistant pen. If you tell me what settings you need I can tell
Re: [Homebrew_PCBs] Building an etching tank?
2011-01-09 by Bill Maxwell
Thank you for that link, Jan. I would be interested in hearing of your results. Bill
Re: [Homebrew_PCBs] Re: Paper
2011-01-09 by Robert Blumer
Thanks Dennis I will give it a try but I think the Brothers Learjet has much higher temperature. I will check that out. Robert
Re: Paper
2011-01-09 by D
Hi Robert, ... The process is pretty much the same as with paper. I use inkjet transparencies in a laser printer. My experience is that some brands of
Re: [Homebrew_PCBs] Re: Roland DXY 800/880
2011-01-09 by Bill Maxwell
David By sheer coincidence, I happened to be packing up my Roland DXY-880, along with its later big brother the DXY-1100, ready to move house, immediately
Re: [Homebrew_PCBs] Building an etching tank?
2011-01-09 by Jan Kok
An etching tank may not be necessary. See http://www.pulsarprofx.com/pcbfx/main_site/pages/tech_support/no_etching_tank/no_etching_tank.html I haven t tried it