[Homebrew_PCBs] Silver conductive ink formula for trough hole PCB
2010-12-24 by muhammad rizqi
Hi All Does anyone know the silver conductive ink formula? Thanks and Best Regards Rizqi [Non-text portions of this message have been removed]
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Re: [Homebrew_PCBs] Plated through holes - sort of
2010-12-24 by Jan Kok
The solder paste technique might work, especially with some types of lead-free solder. Leaded solder has very high surface tension which makes it not stick to
Alternate Masking Materials (CO2 Laser)
2010-12-24 by jwdufass
OK team, I have an Epilog Helix laser (http://www.www.epiloglaser.com). While this can t etch the copper off a PCB, it can do a very nice job of etching
Plated through holes - sort of
2010-12-24 by davesage12@rogers.com
I haven t tried this but.. I recently had some experience with the solder paste used for surface mount chips. I d never used it before but I noticed some very
Re: Free Photoexposure Box
2010-12-24 by Fabio
Hi Paul, I saw your kind offer on the group. If you still have it, I would be very interested in taking it off your hands. It sound like a very carefully made
RE: [Homebrew_PCBs] conductive adhesive
2010-12-24 by Boman33
Many years ago I used to draw traces with conductive silver paint using an HP plotter. The first try was a disaster, the ink solvent dissolved the plastic
[Homebrew_PCBs] conductive adhesive
2010-12-23 by Mark Lerman
Here s a link to a Master-Bond pure silver conductive adhesive. I m trying to get some info on it, but it appears to be a one part epoxy (no mixing) that is
RE: [Homebrew_PCBs] Re: Electronic Goldmine's mini drill press, a better way
2010-12-23 by Boman33
The very old commercial way to hand drill boards the opposite is done: A drill spindle is mounted below the table and is foot operated via a pedal, with
RE: [Homebrew_PCBs] Re: Electronic Goldmine's mini drill press
2010-12-23 by Boman33
The center hole trick works with flexible regular drill bits. With high speed carbide they really do not significantly flex. If doing high speed CNC drilling
Re: ask PLC
2010-12-23 by AlienRelics
Questions about general electronics should go to Electronics_101. http://groups.yahoo.com/group/Electronics_101 Also, please don t start a new thread by
Re: Thermal transparency film/foil
2010-12-23 by mario_mikulandra
Thanks guys for your very useful tips. It seems that I have to try with those print shops again after all. As you said, I ll print all layers in pdf format and
Re: Electronic Goldmine's mini drill press, a better way
2010-12-23 by Fabio
It sounds like a great idea, but I need some clarifications. You mount the camera horizontally, the optical path deflects straight up through the mirror and
Re: Electronic Goldmine's mini drill press
2010-12-23 by Fabio
This might sound a little naive, but I have big bit centering problems too. I do etch the hole in the center of the pad, but when a carbide bit at 30K RPM
ask PLC
2010-12-23 by Alex Lenggono
I used to work in designing the PCB, but now must move to control turbine. and I was much helped in designing the pcb from the discussion all of you. but now I
Re: [Homebrew_PCBs] Re: Thermal transparency film/foil
2010-12-23 by Andrew Leech
... I use Altium and and print to pdf regularly. I personally use cutepdf pdf printer and you can either change the default print settings for normal print
Re: [Homebrew_PCBs] Re: Thermal transparency film/foil
2010-12-22 by Zoran A. Scepanovic
... Hash: SHA1 ... I use Protel99 SE SP6and have installed the Agfa AccuSet 1000 PostScript printer. I print all my designd to .ps files and convert them to
Re: Thermal transparency film/foil
2010-12-22 by mmaudioelectronics
Hi guys, Wow Leon, that s very kind of you but that will be my last resort in case I don t find any other solution. Zorane, I ve already tried that with local
Re: [Homebrew_PCBs] Re: Thermal transparency film/foil
2010-12-22 by Zoran A. Scepanovic
... Hash: SHA1 ... Try to search for izrada filmova za tisak . Prices here in Serbia are: 8.00 ? 14 width per meter 12.00 ? 20 width per meter - -- Srdacan
Re: [Homebrew_PCBs] Re: Thermal transparency film/foil
2010-12-22 by Leon Heller
... Farnell stocks it, or I could buy some for you and post it. Leon -- Leon Heller G1HSM
Re: Thermal transparency film/foil
2010-12-22 by mmaudioelectronics
Hi Leon, thank you for your response. That s exactly what I m looking for. Unfortunately, shipping costs from UK to Croatia are way too high, over £35.00.
Re: [Homebrew_PCBs] Thermal transparency film/foil
2010-12-21 by Leon Heller
... Mega Electronics Jetstar and Jetstar Premium are for inkjet printers. I use the latter in my HP printer. They also make film for laser printers. Leon --
Re: [Homebrew_PCBs] UV reversal film
2010-12-21 by Paul Whatton
Hi Raymond In the UK an orange reversal film is sold by Mega Electronics. It is a dry peel process so maybe not quite what you are looing for?
Thermal transparency film/foil
2010-12-21 by mmaudioelectronics
Hi guys, Which transparency films are best to print with laser or ink-jet printers. There are bunch of different types out there but I want your opinion. I ve
Re: [Homebrew_PCBs] Re: Ink Jet or Laser to get better quality PCBs?
2010-12-20 by Mark Lerman
Hi Curt, Can you point me in the direction of, or give me a model number of, a solid ink printer in that price range? On ebay, even the for parts printers
Re: [Homebrew_PCBs] Free Photoexposure Box
2010-12-20 by muhammad rizqi
Hi Paul Please inform me the shipping costs to Jl.Parangtritis No.136 Yogyakarta Indonesia I am very interested in your photoexposure box, I hope i can get it
Free Photoexposure Box
2010-12-20 by tgr8883
Hi everyone, I have a photoexposure box I d like to donate to whoever can use it. I built it myself about two years ago, but I ve since upgraded. It s a cube
Re: Ink Jet or Laser to get better quality PCBs?
2010-12-19 by samsagazzzz
thanks too much for the info, any Xerox Phaser model will work? i cant find some tutorial about wich model need to use!
Re: Ink Jet or Laser to get better quality PCBs?
2010-12-19 by sailingto
Any more info for on these printers? What is max size of PCB? I d be ready to order one in the $50 to $100 range. Thanks for any help, Ken H
Re: Ink Jet or Laser to get better quality PCBs?
2010-12-19 by curt_rxr
... Hi Jose, For direct printing of PCB artwork it s hard to beat a TEK (or Xerox) thermal wax printer. You can feed thin stock directly through an unmodified
Re: Electronic Goldmine's mini drill press, a better way
2010-12-19 by Mike Bushroe
Another technique for getting more accurate hole drilling is to put a tiny mirror, mounted at a 45 degree angle underneath the table of the drill press. Then
Re: [Homebrew_PCBs] Re: Inkjet or Laser
2010-12-19 by Mark Lerman
Hi, I m the poster of that project, and there are a few caveats you should know. It seems that I can make fairly small boards (2x2 inches) very well, but
Re: Electronic Goldmine's mini drill press
2010-12-19 by Andrew
To expand a bit -- I am only familiar with KiCad, but would guess the others provide a similar option: KiCad allows you to choose either an exact hole size or
RE: [Homebrew_PCBs] Re: Inkjet or Laser
2010-12-19 by Boman33
That is an extremely well-documented project! From: muhammad rizqi Sent: Sunday, December 19, 2010 05:54 To: Homebrew_PCBs@yahoogroups.com Subject: Re:
Re: Inkjet or Laser
2010-12-19 by AlienRelics
If you haven t yet, you should join the Inkjet_PCB_Construction list. The picture on the homepage is a sample board printed by one of our members, the
Re: [Homebrew_PCBs] Re: Inkjet or Laser
2010-12-19 by Derward Myrick
samsagazzzz: I do not know if this will answer your question. This is a set of pics of a board printed by ink jet. Looks very good to me.
Re: [Homebrew_PCBs] Re: Inkjet or Laser
2010-12-19 by muhammad rizqi
Hi See this this link for your reference for laser printer modification http://www.pbase.com/mark10970/lexmark_e260_hack&page=6 Best Regards Rizqi
Re: Inkjet or Laser
2010-12-19 by samsagazzzz
oh, ok, i want to modify the printer, just want to know if an inkjet printer will give me nice quality pcbs
Re: [Homebrew_PCBs] Inkjet or Laser
2010-12-19 by Herbert E. Plett
laser is not for direct printing, it s for transfer. inkjet is used for UV mask creating. direct printing requires modification of printer (Epson type), not
Re: Electronic Goldmine's mini drill press
2010-12-19 by Ben L
... Most all of the PCB Layout software programs has a center in the pad that you size to match the hole size you need for your component lead. So when etched
Re: Electronic Goldmine's mini drill press
2010-12-18 by rocko
After etching. How do you get the etch to make a hole?
Re: Electronic Goldmine's mini drill press
2010-12-18 by Andrewdavid.mathison
Hi rocko do you mean before or after etching its a problem lining up. I etch my boards first and the etching makes a tiny hole in the copper where the hole
Re: [Homebrew_PCBs] Inkjet or Laser
2010-12-18 by Igor Zenko
As far as my knowledge goes about this topic goes Epson durabrite ink is OK for PCB making after curing at high temperature in ovens. ... From:
Re: [Homebrew_PCBs] Inkjet or Laser
2010-12-18 by william474@aol.com
Someone can correct me if I am wrong but I believe Ink jet type of printers do not work. Only Laser type of printers that use toner will provide the etch
Re: Electronic Goldmine's mini drill press
2010-12-17 by tda7000
... I was going to purchase one of those but I read some reviews that they were terrible. Also the shop I was trying to buy it from kept dicking around and
Re: Electronic Goldmine's mini drill press
2010-12-17 by rocko
I have a similar one made by Craftsman I got at a flea market. It works fine, in fact i just finished a bazz fuss pcb. Although I wish I had one of those 2
Electronic Goldmine's mini drill press
2010-12-17 by Jeff
Does anyone have any experience with Electronic Goldmine s mini drill press? Do you think this would be useful for board drilling?
Ink Jet or Laser to get better quality PCBs?
2010-12-17 by samsagazzzz
Hi guys, im planning to purchase some new printer to modify it and print directly into the PCB. Someone know wich will get better quality? THanks in advance
Re: [Homebrew_PCBs] Quimical VIAs
2010-12-17 by Vicent Colomar Prats
Hi all, and thank you all for your very interesting answers. As Simao very well appointed, I m Spanish speaker, and my English is not very good (as you can
Re: [Homebrew_PCBs] Quimical VIAs
2010-12-17 by Simao Cardoso
... Simon, it depends on your chemistry and anodes. Get documentation and follow it, i don t know what are you using but am sure my setup is way different than
Re: [Homebrew_PCBs] Quimical VIAs
2010-12-16 by Simon Gornall
... Ok, so if I m only planning on being able to plate a 160x100mm board, or 1.6dm^2, using your figures that comes to a range of 6.4A - 9.6A in the forward