Re: Via-Mag (concept SMD prototype assembly)
2010-06-07 by cunningfellow
... Looks like Mr ELM-Chans work is it? I was always amazed by his point to point stuff and thought how much easier it would be to just do a PCB.
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Re: Via-Mag (concept SMD prototype assembly)
2010-06-06 by Richard
Another concept example pic here:
Re: [Homebrew_PCBs] Re: Etching container
2010-06-06 by Andrew Villeneuve
I m honestly not sure what the thickness of the board was - I don t still have the packaging, but I know that the subsequent board I etched in an etching
Re: Via using J-B Weld - anyone tried this?
2010-06-06 by Frank P
JB Weld is not conductive... http://www.jbweld.net/faq.php Frank P.
Re: [Homebrew_PCBs] Via using J-B Weld - anyone tried this?
2010-06-05 by AGSCalabrese
... Intergoogle says that JB Weld is not conductive. You may find this interesting.... http://www.circuitmart.com/mart/49690.shtml Gus [Non-text portions of
Via using J-B Weld - anyone tried this?
2010-06-05 by Chris
One of the things I don t like about making PCBs is soldering in a bunch of wires to connect top traces to bottom traces. The more surface mount stuff I use,
Re: Etching container
2010-06-05 by Frank P
Alessio, The FeCl will damage your metal pipes and ducts in your home but I also believe that the copper that is etched shouldn t go down the drain. In my
Re: Great PCB Resource
2010-06-05 by sailingto
Thanks Baxter - there are some nice books there. 73 de Ken H
Great PCB Resource
2010-06-05 by bebx2000
I came across this site which is a fantastic resource for free books. The sections of interest to this Forum are,
Re: [Homebrew_PCBs] Re: Etching container
2010-06-04 by Harvey L. McRae
I see I have a very great benifit in making small boards.. I use a Baby Food Glass jar, etch my little board, put the cap back on wipe off the outside, and
Re: [Homebrew_PCBs] Re: Etching container
2010-06-04 by Alessio Sangalli
... I think he was referring to (metal?) pipes and ducts... bye as
Re: [Homebrew_PCBs] Re: Etching container
2010-06-04 by Alessio Sangalli
... But, one gets late one minute at a time :) bye as
Re: [Homebrew_PCBs] Re: Etching container
2010-06-04 by Malcolm Parker-Lisberg
You can flush Ferric Chloride down the drain, it is already used by water treatment plants. Malcolm I don t suffer from insanity I enjoy it! ... From: Frank P
Re: Etching container
2010-06-04 by Frank P
Andrew, If you read the following link, especially the comments at the bottom by other readers, it might help. The one thing I don t like about the way the
Re: Etching container
2010-06-04 by James
... I would use plastic, either is fine but if you drop a glass jar of acid and it shatters you will have a huge mess. If you insist on using glass, make sure
Re: Etching container
2010-06-04 by Richard
Hi Andrew! For an normal scrubbed etch time of 1min for 1/2oz and 2mins for 1oz copper, it took you 15-20 mins to etch your board? What were you using for
Re: [Homebrew_PCBs] Re: Etching container
2010-06-04 by Andrew Villeneuve
Though I confess to only trying the sponge-etching process once, it was very labor intensive and I had miserable results with it. It took about 15-20 minutes
Re: [Homebrew_PCBs] Re: Etching container
2010-06-03 by lists
In article , ... I find that interesting because I had read that Acrylic doesn t like acids very much and tends to craze after a
Re: [Homebrew_PCBs] Re: Etching container
2010-06-03 by Stefan Trethan
Making the whole board takes no more than 10 minutes (I m not counting the etching since I don t stand there waiting for it to finish). Cleaning the tank out
Re: Etching container
2010-06-03 by Richard
well ..... I don t know about you James, but I ll take 4 babes sponging down my PCB over your bubble tank any day! : )
Re: Etching container
2010-06-02 by James
... For a product with professional in the title, that website reads like it was written by a 12 year old. IMO a bubble tank works really well, is cheap,
Re: Etching container
2010-06-02 by James
... It only takes maybe 2-3 minutes to pour the etchant into the tank and then pour it back when finished. For me it s at least a couple hours to draw the
Re: Etching container
2010-06-02 by Richard
Hi! The problem is how to add heating and a bubbler to this without making a mess . See if this is a better solution for you:
Re: [Homebrew_PCBs] Re: Etching container
2010-06-02 by Stefan Trethan
The disadvantage of this method is that preparation and cleanup can take as much time as all other tasks in making the board. I understand the OP and why he
Lexmark E260d on sale
2010-06-01 by Jim
The Lexmark E260D laser printer is on sale until June 5 2010 for 119.99 plus tax. ... see link. This printer is the one that Mark Lerman has modified for DLP
Re: Etching container
2010-06-01 by James
... I got mine at Cadman building supplies, I think it s 30% strength, at any rate it was under $10 for a gallon and works fine. I used 3% peroxide initially
Re: Etching container
2010-06-01 by James
... Pick up a plastic chemical storage bottle, they make them for just this purpose and they re not hugely expensive. Pouring it back in the bottle is simple,
Re: Etching container
2010-06-01 by James
... It s a good idea. I usually leave the cap just slightly loose on the bottle I store my etchant in. I sealed it tightly once and the next time I went to use
[Homebrew_PCBs] DLP Final Update
2010-06-01 by Mark Lerman
Unless anyone has any questions, this should be my final DLP update. I will be making additions and corrections to the pdf in the files section and adding a
Re: [Homebrew_PCBs] Re: Etching container
2010-06-01 by Alessio Sangalli
... Do we? Are you saying it is necessary to have a vented cap? bye as
Re: Etching container
2010-06-01 by WestfW
I store the CuCl/Acid/H2O2 mix in the gallon jar that the HCl came in; it has all sorts of warnings about having a vented (possibly spillable) cap, which is
Re: Via-Mag (concept SMD prototype assembly)
2010-06-01 by Richard
Concept example pics are now here: http://groups.yahoo.com/group/Homebrew_PCBs/photos/album/2086759579/pic/list Assembly update method: After drilling the
Re: [Homebrew_PCBs] Etching container
2010-06-01 by Alessio Sangalli
... I am looking for something MUCH smaller anyway :) Thanks. bye as
Re: [Homebrew_PCBs] Etching container
2010-05-31 by Harvey White
... Glass would be more resistant, but then again, plastic is far cheaper and does not break into tiny little pieces. Plastic may be more available. The
Re: [Homebrew_PCBs] Etching container
2010-05-31 by kabowers@NorthState.net
... Watch the seals with the WalMart food containers. I had used a rectangular container with snap seals on all four sides with FeCl for several years with no
Re: [Homebrew_PCBs] Etching container
2010-05-31 by Alessio Sangalli
... Yes this is probably the simples yet most effective idea. I will look at Taret or Walmart next time I get there. Would you advice glass or plastic? Maybe
Re: [Homebrew_PCBs] Etching container
2010-05-31 by Alessio Sangalli
... I got mine at orchard hardware store, I think it was a gallon for 8 bucks. I think there are slightly cheaper alternatives around. ... Yes I get it at
Re: [Homebrew_PCBs] Etching container
2010-05-31 by Alessio Sangalli
... Tha will not work for me, as I share the lab with many other people that could decide to move or touch at any time. Even if they are all expert persons,
Re: [Homebrew_PCBs] Etching container
2010-05-31 by Harvey White
... 30% I think. It s the standard stuff you buy at the home big box stores. ... Yes. Mixed 4 parts H2O2 to one part acid. Does a wonderfully fast job of
Re: [Homebrew_PCBs] Etching container
2010-05-31 by Jim Tonne
Harvey: I am merely a lurker on the group, slowly ramping up to do some etching. When you say muriatic acid what percentage (i.e., strength) is it? Where
Re: [Homebrew_PCBs] Etching container
2010-05-31 by Harvey White
... I also use muriatic acid and H2O2. I use a sealable food container, suitably sized for the board. Works well for me. I would take the small container and
Re: [Homebrew_PCBs] Etching container
2010-05-31 by Stefan Trethan
Maybe you could find a place where you could permanently store your etching container, filled. I put mine in a plastic box that can catch all the etchant (in
Etching container
2010-05-31 by Alessio Sangalli
Hi, I have yet to find a suitable container for the etchant (I use the muriatic acid thing). It is true I can use any sort of plastic container: I even have
Re: [Homebrew_PCBs] Re: Homemade Inkjet head?!?
2010-05-31 by Simao Cardoso
... And i don t argue with that. Inkjet soldermask technology seem more related to fluid uv ink. I think even those require pumps, filters , heaters and
Re: Homemade Inkjet head?!?
2010-05-31 by alienrelics
... At least some of them just use HP45 cartridge/head combos. I have my doubts as to using solder mask as-is in an inkjet cartridge of any kind. Steve
Via-Mag (concept SMD prototype assembly)
2010-05-31 by Richard
In my quest for the quintessential SMD prototyping method for the Homebrewer to easily fabricate complex, micro-sized, multi-chip electronic circuitry of
Re: [Homebrew_PCBs] Homemade Inkjet head?!?
2010-05-30 by Simao Cardoso
... The point was to show a concept. ... Was kind of dumb from me referring a diesel injector, gasoline ones are way simpler. There is who said the fuel
Photo upload to folder?
2010-05-30 by Richard
Site moderator: Hello! I was able to create my folder (Via-Mag), but when I try to upload photos it reports unknown error Please advise. Thank-you! NOTE:
Re: Flip n' Print ? (concept proposal for development)
2010-05-30 by Richard
... one drawback is that for every copy (replication) you make, you have to go in you CAD and pull all your end points to the new skewed SMDs positions. I
Re: Flip n' Print ? (concept proposal for development)
2010-05-30 by Richard
Hi James! Yes! ..... after narrowing down Derks process, it s really a brilliant idea! I ve tried at look see at this in KIKAD, if I could get the scanned