Re: using Laser Iron-on with ljIII
2003-04-18 by glenhat
... Umm... Maybe it s time to consider getting a new printer? :-) My Lexmark Z51 inkjet does a beautiful job on 3M CG3480 transparencies. I got some laser
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Re: [Homebrew_PCBs] Re: using Laser Iron-on with ljIII
2003-04-18 by Stefan Trethan
hmm i heard of this special paper before but it only found it at the electronics shops where it was more expensive than copper clad itself. i may try it but
Re: [Homebrew_PCBs] Re: using Laser Iron-on with ljIII
2003-04-18 by Stefan Trethan
thanks for the nice advice but photofab is not so nice as it seems. i started with this process and it worked most time but the problem simply was to get the
Cu + HCl -> CuCl2
2003-04-18 by adam Seychell
Grant, I took a 500 ml beaker. Added 20 ml of 8M HCl (20% wt) + 20 ml of water and pieces of scrap copper sheet 0.7 mm thickness. At this stage about 1/2 of
Re: using Laser Iron-on with ljIII
2003-04-18 by glenhat
... Dude, go with the photofab method. It s so good. I m a newbie to making pcb s. Tinkered with iron-on for a while and had nothing but trouble. I was very
Re: [Homebrew_PCBs] Re: using Laser Iron-on with ljIII
2003-04-17 by Jan Kok
From: Stefan Trethan ... Laser printing on overhead projector film works very poorly. The dark parts aren t very dark, and if you try to make it darker, the
Re: [Homebrew_PCBs] Re: using Laser Iron-on with ljIII
2003-04-17 by Stefan Trethan
the laser jet IIID is very, very old.. but in my opinion it is the best printer ever built by hp. i have several dremel like tools, but i don t like its brush
Re: using Laser Iron-on with ljIII
2003-04-17 by rolanyang
You definitely need to use some sort of abrasive for cleaning. Alcohol isn t likely going to remove the oxidized layer from the surface. I am lazy, so I use a
Re: [Homebrew_PCBs] using Laser Iron-on with ljIII
2003-04-17 by Ned Konz
... The paper is indeed for inkjet printers. You want to use a paper that will not stick very well to the toner, so the toner will instead stick to the board.
Re: [Homebrew_PCBs] using Laser Iron-on with ljIII
2003-04-17 by Stefan Trethan
hmm the problem is that i m quite far away from the next wally world (several 10000 km i guess), living in austria. but i will have a look if this particular
Re: [Homebrew_PCBs] Etching with sulfuric acid and hydrogen peroxide
2003-04-17 by Stefan Trethan
hi tom! really great method! i wanted to ask if you may figure out the amount of hydrogen peroxyde consumed (and also if the etchant was used very often which
Re: [Homebrew_PCBs] using Laser Iron-on with ljIII
2003-04-17 by kenneth magers
i have made great board like this using the jet printphoto multiproject-photopaper 60 sheets is 14 bucks at wally world just set the print as dark as posible
Etching with sulfuric acid and hydrogen peroxide
2003-04-17 by twb8899
Why not try etching with a sulfuric acid and hydrogen peroxide mixture? We used this for years in a commercial shop with excellent results. The solution makeup
[Homebrew_PCBs] using Laser Iron-on with ljIII
2003-04-17 by Stefan Trethan
hi i m trying to plot directly to pcb for a time now and face a lot of problems. but yesterday i read again of the method with laser printing to paper /
Re: [Homebrew_PCBs] Re: HCl and H2O2 versus CuCl
2003-04-17 by Stefan Trethan
hi adam! i initially thought of getting copper OUT not IN to aid in regenerating the echant without adding hcl (and stopping it growing). have you also some
Re: Commercial Ads on the list Re: [Homebrew_PCBs] RE: Request to join Homebrew_PCBs approved
2003-04-17 by Dell Gillispie
Steve: If you start breaking the rules, where will it stop? I sort of like things the way they are. (Sounds like a song.) Dell ... From: Steve Greenfield To:
Cu + HCl -> CuCl2
2003-04-17 by Adam Seychell
hi Grant, I m just letting you know that I m doing another test reacting copper and HCl. Its been about 30 hours now and the copper mass is already 60% of
Re: [Homebrew_PCBs] Re: HCl and H2O2 versus CuCl
2003-04-17 by Adam Seychell
Electrolysis would certainly get copper in solution. The solution may need agitation to minimize chlorine gas evolving at the copper anode. When the copper
Re: [Homebrew_PCBs] Re: HCl and H2O2 versus CuCl
2003-04-16 by Ned Konz
... 3 x 2.1V per cell nominal voltage on lead-acid battery. -- Ned Konz http://bike-nomad.com GPG key ID: BEEA7EFE
Re: [Homebrew_PCBs] Re: HCl and H2O2 versus CuCl
2003-04-16 by Jan Kok
From: Stefan Trethan ... 6.3VAC is a common transformer output voltage (e.g. see Radio Shack). Back in the days of carburetors, vinyl records, mechanical
Iron on PCBs using inkjet paper in a laser printer
2003-04-16 by Steve Greenfield
Cool! Let s give this it s own thread, though. Hijacking threads just annoys everyone and confuses the moderator. I added the site to the Links under Acid
RE: [Homebrew_PCBs] Re: Commercial Ads on the list
2003-04-16 by jenny@cadagile.com
Hi, Thanks understanding. I will try my best to help you. I came here, also what some idea and opinion sometimes. I know some place has free CAD design tool, I
Re: [Homebrew_PCBs] Re: Commercial Ads on the list
2003-04-16 by Steve Greenfield
I just want to stress that I did not want to see her only emails to the list be ads. It does look like she is on the list to take part. Steve ...
Re: [Homebrew_PCBs] Re: Commercial Ads on the list
2003-04-16 by Donald Aitken
Hi Everyone. Robert Grauman and I have been doing some work with printed circuit boards using copper chloride etchant. Robert documented the process and posted
Re: [Homebrew_PCBs] Re: Commercial Ads on the list
2003-04-16 by Stefan Trethan
hi again i think everyting is clear now and i believe it is very important to have such rules.. as i read jennys post i also wondered if this is within rules
Re: [Homebrew_PCBs] Re: HCl and H2O2 versus CuCl
2003-04-16 by Stefan Trethan
hi jan! i also wonder about this very much... someone who has this webpage with the slides shows copper on the metal clip attachment disposed (sorry for
Re: Commercial Ads on the list
2003-04-16 by Jean-Marc Van Laethem
Greetings, On the issue of letting commercial companies participate to this list, I suggest we let them take part. I do not mind an occasional plug for a new
RE: [Homebrew_PCBs] Welcome and multiple replies
2003-04-16 by jenny@cadagile.com
Thanks your help, the bottom sending email comes from default signature. Do you mean I have to take it off every time when I send massage to group? Is it not
Commercial Ads on the list Re: [Homebrew_PCBs] RE: Request to join Homebrew_PCBs approved
2003-04-16 by rolanyang
My back has been sore lately. I would be happy with receiving just 1 massage. :P
Re: HCl and H2O2 versus CuCl
2003-04-16 by Jan Kok
Just some brainstorming from someone who is not very knowlegeable about chemistry: Would electrolysis speed up the dissolving of the copper and getting the
Welcome and multiple replies
2003-04-16 by Steve Greenfield
Ah! Good! I am glad to see that you didn t just post and then go away. Welcome to the list. One of the things that makes me worry is when someone replies to
Re: [Homebrew_PCBs] Re: HCl and H2O2 versus CuCl
2003-04-16 by Steve Greenfield
... -snip- ... See, now, you should check the links pages more often. Here are a couple of links I d posted there: Flip Stick- Cupric Chloride Meant for
RE: Commercial Ads on the list Re: [Homebrew_PCBs] RE: Request to join Homebrew_PCBs approved
2003-04-16 by jenny@cadagile.com
Dear Steve: That is not ad, that is a self introduction, that is the normal polite to say hello to others. But the problem is: why I just send out 1 massage,
Commercial Ads on the list Re: [Homebrew_PCBs] RE: Request to join Homebrew_PCBs approved
2003-04-16 by Steve Greenfield
I was looking forward to having a pro on the list, but not just so you could send an ad as your first message. This is not a list for individual companies to
RE: Request to join Homebrew_PCBs approved
2003-04-16 by jenny@cadagile.com
Hi, every body: That is very nice to meet you here. We are new here. We offer PCB (including schematics if you want), MECHANIAL design service. For more
Re: [Homebrew_PCBs] Re: HCl and H2O2 versus CuCl
2003-04-16 by Russell Shaw
... I bet it s been tried, but does this work: CuSO4 + 2HCl - CuCl2 + H2SO4 CuSO4 is in garden shops.
Re: [Homebrew_PCBs] Re: HCl and H2O2 versus CuCl
2003-04-16 by Adam Seychell
... You can get copper powder from some art supplies, but its VERY expensive for what we are doing. I think they use it as pigments in paint, or coating
Re: HCl and H2O2 versus CuCl
2003-04-16 by rolanyang
Do you have a digital camera? Can you take a photo of your solution? When you have something that looks like http://www.techfreakz.org/cucl2/?slide=5 the
Re: [Homebrew_PCBs] Re: Starting CuCl etchant from scratch
2003-04-16 by Stefan Trethan
seems to work fine already? i guess if you let open the lid from now on and start bubbling when gets brown all may get fine without H2O2. but it may also be a
Re: [Homebrew_PCBs] Re: Starting CuCl etchant from scratch
2003-04-16 by Adam Seychell
... Thanks for letting us know what s happening. I don t remember it being that slow, I think the solution goes dark in 1st 2 days. But I m testing the process
Re: Starting CuCl etchant from scratch
2003-04-16 by grantfair2001
Hi Adam- I took the lid off the tank as planned 2 nights ago. By noon today I saw little change. The etchant was clear, the copper wire in the etchant was
Re: [Homebrew_PCBs] Re: Starting CuCl etchant from scratch
2003-04-16 by Adam Seychell
Hi Grant. How is the copper reaction going ? What color is the acid solution now ? Can you smell HCl when you put your noise in the container ? I m testing the
non-photographic PCB making - why bother?
2003-04-15 by Ted Inoue
While I admire the creativity that people are showing, I am still wondering why bother with these other techniques when the photo-activated PCB material makes
Re: [Homebrew_PCBs] Re: Homemade PCB holders for etcher
2003-04-15 by luther m stroud
if you clip a carbon rod under that clip in contact with the copper clad it is suppose to etch faster i read in a magazine reader reply
Re: [Homebrew_PCBs] Re: Homemade PCB holders for etcher
2003-04-15 by luther m stroud
I prefer that closed cell polyethene foam that is white or pink that electronic stuff is shipped in and use the plastic tacks from IC tubes around the board
Re: [Homebrew_PCBs] Starting CuCl etchant from scratch
2003-04-15 by luther m stroud
I made my cucl like you with copper and hcl . adding some drug store hydrogen peroxide 3% on the bottle will help get it strarted . the data on some graphs i
Re: Homemade PCB holders for etcher
2003-04-15 by grantfair2001
Thanks Rolan - simple, inexpensive and effective! Grant
Re: Starting CuCl etchant from scratch
2003-04-15 by grantfair2001
Luther - thanks for the hydrogen peroxide idea (and thanks to Rolan for this also). I may try it tomorrow since I don t see much change after 24 hours with the
Re: Homemade PCB holders for etcher
2003-04-15 by grantfair2001
Hi Luther - thanks for the simple but good sounding idea. How do you fasten styrofoam to your PCB? Rubber band? Or...? Grant ... bubbles
Re: Homemade PCB holders for etcher
2003-04-15 by grantfair2001
Thanks Dwayne - I look forward to pictures; I have the damndest time converting word descriptions into mental pictures,and I m tired tonight. Stainless and