Re: [Homebrew_PCBs] Ferric Chloride etching questions...
2005-09-07 by Stefan Trethan
On Wed, 07 Sep 2005 15:57:41 +0200, lcdpublishing ... seems about right. watch those stains!! if you mix it fresh before your first etch you can use the heat
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Ferric Chloride etching questions...
2005-09-07 by lcdpublishing
Okay, I am about to take my first real etching tank for a test drive today. There are a number of Firsts in this for me. 1) I am working with the powder,
Re: Regenerating CuCl
2005-09-06 by Phil
... coating ... The other way around - etch time affects pinholing. Shorter time, less pinholing. At least that s what I have noticed. It may have to do with
Re: [Homebrew_PCBs] Re: Regenerating CuCl
2005-09-06 by Adam Seychell
... yep, and each of us has a preferred choice on what system to use. ... As I understand the pinholes are just small voids in the toner coating the copper.
Re: Regenerating CuCl
2005-09-06 by Phil
... wrote: ... don t ... My tank has a 1 L capacity so it doesn t take very long to heat up with a hacked aquarium heater. I d estimate 20-30 mins depending
Re: Regenerating CuCl
2005-09-06 by Phil
... Put it in a jar, place jar on hotplate on low and let it evaporate down to a pretty blue mass of crystals. Dump crystals into a storage jar and then take
Re: Making good bubbles?
2005-09-06 by lcdpublishing
Sounds like the one I got - I will give it a try. Thanks! Chris ... it ... didn t ... would hold ... a shaft ... one of
Re: [Homebrew_PCBs] Re: Making good bubbles?
2005-09-06 by Stefan Trethan
On Tue, 06 Sep 2005 15:35:44 +0200, lcdpublishing ... I tried a blue round one that came with my pump, and that one didn t dissolve during 2 weeks or so. As it
Re: Making good bubbles?
2005-09-06 by lcdpublishing
Hi Stan, Do you remember what color the bubbler stones were and how long it took for them to dissolve? Chris ... mine! ... good ... that ... on
Re: [Homebrew_PCBs] Re: Regenerating CuCl
2005-09-06 by Stefan Trethan
On Tue, 06 Sep 2005 12:58:12 +0200, Adam Seychell ... You can get a hydrometer for that range in the car parts store. Simply get the meter for battery acid.
Re: [Homebrew_PCBs] Re: Regenerating CuCl
2005-09-06 by Adam Seychell
... If the sun is shining outside, then put it in a plastic tray and let it evaporate for a few days. Thats what I did. Unfortunately you ll have to invest
Re: [Homebrew_PCBs] Re: Regenerating CuCl
2005-09-06 by Stefan Trethan
... yea, but still, what do you do with it when the AP is spent? ST
Re: [Homebrew_PCBs] Re: Regenerating CuCl
2005-09-06 by Adam Seychell
... Yes, the more copper the faster, and the more acid the faster. You are only limited by solubility, and HCl fuming. A good compromise I found is to run at
Re: [Homebrew_PCBs] Which method is the best?
2005-09-06 by Stefan Trethan
On Sun, 04 Sep 2005 04:44:54 +0200, microprose21 ... other than the 10 mil holes there shouldn t be problems. Of course you don t get
Re: [Homebrew_PCBs] I finally tried tonner tranfer, but...
2005-09-06 by Stefan Trethan
... Apparently now it finally came through Craig ;-) yahoo is a right nuisance sometimes.. ST
Re: [Homebrew_PCBs] Re: Regenerating CuCl
2005-09-06 by Stefan Trethan
On Tue, 06 Sep 2005 05:46:55 +0200, Adam Seychell ... i agree, you need a strong solution to do air-regeneration. For H2O2, anything works, but as it grows
Re: [Homebrew_PCBs] Re: Regenerating CuCl
2005-09-06 by Leon Heller
... From: Phil To: Sent: Tuesday, September 06, 2005 1:11 AM Subject: [Homebrew_PCBs] Re: Regenerating
Re: Regenerating CuCl
2005-09-06 by Phil
I never got anything close to 9 minute etches with cucl. Probably too weak. Dull green was more like olive drab. By the way, I just added a new heater to my
Re: [Homebrew_PCBs] Re: Regenerating CuCl
2005-09-06 by Adam Seychell
Dull green is ok, only when it becomes brown is the problem. If you dilute a bit of it and it turns bright green then its pretty much regenerated. But, this
Re: Regenerating CuCl
2005-09-06 by Phil
I may not have all the specifics right - it was about 6 months ago but I did add 50 mL of 30% HCl and then aerated. It stayed a dull green, even after a week
Re: [Homebrew_PCBs] Re: Regenerating CuCl
2005-09-06 by Adam Seychell
Are you sure you added enough acid *before* aerating ? How do you know what the acid concentration was after aerating ? I find it hard to believe it wouldn t
Re: Regenerating CuCl
2005-09-06 by Phil
I tried to use CuCl over a period of 4 months. I was never able to regenerate it using a bubbler - even left it running for a week once. I added more acid but
Re: has anybody tried Stika foil cutter
2005-09-05 by Steve
Those look like they are just regular vinyl sign cutters. Check out the Links on the signmaker list: http://groups.yahoo.com/group/signmaker Steve Greenfield
Re: [Homebrew_PCBs] Re: I finally tried tonner tranfer, but...
2005-09-05 by microsoftwarecontrol
for cleaning, the best way found is: 1: to merge into etchant, 10 sec. 2: sand paper to wipe off discolored. 3: to keep merging under water before using it.
Re: H300 on sale...
2005-09-05 by Phil
arrggghhh.... sorry about that folks. Staples. I originally had it in the subject but thought it didn t look right so i took it out but didn t reread the
Re: [Homebrew_PCBs] Re: I finally tried tonner tranfer, but...
2005-09-05 by Stefan Trethan
On Mon, 05 Sep 2005 11:51:15 +0200, patroclus04 ... I ll too write up quickly how i clean boards, again: 1) sand lightly with 600 to
Re: I finally tried tonner tranfer, but...
2005-09-05 by patroclus04
thank you. I ll try ink jet paper, and try to clean the board better, though I alredy used acetone.
Re: [Homebrew_PCBs] I finally tried tonner tranfer, but...
2005-09-05 by vk2zcm
A Photocopier fuser unit rebuilt works well for me thanks to ST I use Matt inkjet paper in a laser printer But I have found that the board has to be really
Re: [Homebrew_PCBs] H300 on sale...
2005-09-05 by Norm Stewart
... Phil - Who has it on sale? And where in Seattle are you? I m ~80 miles north near Concrete, on the Skagit River. Norm
H300 on sale...
2005-09-05 by Phil
I don t know if this is national or just local to seattle but the GBC H300 laminator is on sale for 79.94 (lists for 179.99). I have the H200 and it was easy
Which method is the best?
2005-09-04 by microprose21
I ve been making PCB s for quite some time for projects at work. I use Protel. Whenever I had to make a PCB for myself, I would always go with $33 special
Re: [Homebrew_PCBs] Help with PCB software
2005-09-03 by Patrick Murphy
Hi patroclus04, ... You might try TinyCAD to draw the schematic, FreePCB to create the PCB, and a freeware Gerber viewer to print it. I like these programs but
Re: I finally tried tonner tranfer, but...
2005-09-03 by vk2zcm
-A Photocopier fuser unit rebuilt works well for me thanks to ST I use Matt inkjet paper in a laser printer But I have found that the board has to be really
Re: Experimental method
2005-09-02 by thespeakerguy
... was If you are still looking for a sample let me know the speaker guy at yahoo dot com
Re: I finally tried tonner tranfer, but...
2005-09-02 by Phil
... board yet. ... results?? ... happend?? ... It s harder to get uniform pressure/temperature with an iron but not impossible. Just take better care.
Re: [Homebrew_PCBs] I finally tried tonner tranfer, but...
2005-09-02 by vk2zcm
... From: Stefan Trethan To: Sent: Friday, September 02, 2005 7:59 PM Subject: Re: [Homebrew_PCBs] I
Re: [Homebrew_PCBs] I finally tried tonner tranfer, but...
2005-09-02 by Stefan Trethan
On Fri, 02 Sep 2005 11:51:12 +0200, patroclus04 ... use a laminatoror fuser, it produces more consistent results. Also you should try
I finally tried tonner tranfer, but...
2005-09-02 by patroclus04
I tried twice the tonner paper method, using magazine paper, and iron. the image transfers to copper really good in some regions (awesome), but not in others,
Re: [Homebrew_PCBs] Regenerating CuCl
2005-09-02 by Adam Seychell
... Many factors involved, it could be 15 minutes or 2 days. Obviously the more air that contacts the solution the quicker all the Cu(1+) converts to Cu(2+).
Re: [Homebrew_PCBs] Regenerating CuCl
2005-09-02 by Stefan Trethan
On Fri, 02 Sep 2005 02:07:31 +0200, johnwhitneyfiat ... I personally never tried it, but i would say many hours, perhaps days. My tank volume isn t that large,
Re: Making good bubbles?
2005-09-02 by stan4312
You might want to test the chunks for compatability with your etchant too, the HCl I m using to brew CuCl just disintigrated mine! Stan ... for ... also ...
Re: Regenerating CuCl
2005-09-02 by stan4312
I m attempting to bootstrap my first batch of CuCl as I type, so this page is fresh off my bookmarks: http://pacificsun.ca/~robert/pcb/cucl.htm Pretty good
Regenerating CuCl
2005-09-02 by johnwhitneyfiat
I have been off the group for a while and I m sure this was covered. In the direction for making etchant from Hydrogen Peroxide and Muratic Acid, it says that
Homebrewing ammonium persulfate?
2005-09-01 by stan4312
... I haven t had any luck looking through the files or Googling up any specifics on the process though. If someone could provide details, I d certainly
Re: [Homebrew_PCBs] Making good bubbles?
2005-09-01 by Stefan Trethan
On Thu, 01 Sep 2005 23:27:29 +0200, lcdpublishing ... I use a bubbler hose. It is kind of a hose made of foam rubber with holes punched in one side. It makes
Making good bubbles?
2005-09-01 by lcdpublishing
I picked up a fish tank pump and a container that should be good for my first etching tank. When I picked up the fish tank pump, I also noticed they had these
File - monthly.txt
2005-09-01 by Homebrew_PCBs@yahoogroups.com
Monthly Reminder, please read: Subject lines: Remember to change the subject line if you are straying from the original thread. Please change the subject line
Re: has anybody tried Stika foil cutter
2005-08-30 by mikezcnc
Thank you Steve! Mike ... results ... are ... be ... sort ... ... boards. ...
Re: has anybody tried Stika foil cutter
2005-08-29 by Bob_xyz
From their site, it seems that the cutting machines themselves are only available for sale to educational institutions and, beyond that, only to ones that are
Re: has anybody tried Stika foil cutter
2005-08-29 by Steve
... Not too bad. http://www.techsoftuk.co.uk/ 130 pounds for a roll 55m long and 200mm wide, or 10 sheets 300x200mm for 10 pounds. Shipping could be a bit.