Re: Solder mask liquid,
2009-09-02 by trevwhite74
... I use the dry film from megauk.com. You apply it with a laminator and then uv expose the area you want to keep. A developing agent then removes the areas
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Re: [Homebrew_PCBs] Re: Solder mask liquid,
2009-09-02 by Adam Seychell
... I ve recently been playing with Liquid Photoimageable Solder Mask (LPISM). Your right, it needs a proper bake before exposure or it gets damaged in the
Re: [Homebrew_PCBs] Re: Solder mask liquid,
2009-09-02 by Henry Liu
In my tests for a PCB resist ink, I ve found a very good UV curable ink that functions well as a soldermask. I can eject this and cure it no problem with an
Re: [Homebrew_PCBs] Vias
2009-09-02 by leon Heller
... From: Stefan Trethan To: Sent: Wednesday, September 02, 2009 6:26 PM Subject: Re: [Homebrew_PCBs]
Re: Solder mask liquid,
2009-09-02 by jcarlosmor
If you refer to the green soldermask in the video, that is real soldermask for industrial PCB making. However, the last shot on the finished PCB shows very
Re: [Homebrew_PCBs] Vias
2009-09-02 by Erik Knise
If i ever tried riveting them, I d try to add a small touch of solder on each side...not on top, just around the sides to create a little fillet. ... -- Erik
Re: [Homebrew_PCBs] Vias
2009-09-02 by Stefan Trethan
I think you would be asking for reliability problems in the long run with riveted vias like this. I already cringe at the thought of flush-soldering press fit
Re: [Homebrew_PCBs] Solder mask liquid,
2009-09-02 by Stefan Trethan
Good thing too this guy hides the traces with soldermask, rarely seen such an ugly board.... What stuff specifically do you refer to? ST
Solder mask liquid,
2009-09-02 by boombox666
Hello everybody. After browsing on youtube for some interesting movies about CPLD s I came across this video:
Ultimate Guide Step by Step Directions for Direct Printing Inkjet Printing PCBs + Kit
2009-09-02 by Henry Liu
It has been a common question how to print PCBs using an Inkjet and how to make homebrew PCBs in general. Answers are spread apart and you can find it if you
Re: [Homebrew_PCBs] Vias
2009-09-02 by Tolga Abaci
You might also want to try something like this: http://retromaster.wordpress.com/2009/08/18/the-pcb-via-press/
Re: [Homebrew_PCBs] Vias
2009-09-02 by Piers Goodhew
Around May 11 there was a thread via s using homemade boards - I think the apostrophe might have thrown your searches off. There was this post: From:
Vias
2009-09-02 by blue_eagle74
I cant find it, but someone talked about using componet lead, resistor maybe, for vias and soldering each side to make for a low profile via. I have tried this
Re: Direct print of etch resist on PCB
2009-09-02 by alienrelics
Yeah, a few... That is what the Inkjet_PCB_Construction list that you just joined is all about. Look here in the Photos and Files for Volkan , and look here:
Direct print of etch resist on PCB
2009-09-02 by louijp
Has anyone tried to directly print the artwork with an inkjet, bake the printed board to harden the ink, and then etch the copper? I m just curious to see if
Re: Anybody use AQ-3000
2009-08-31 by jcarlosmor
Yes, very easy, but follow all the instructions and procedures exactly as stated in the datasheet.
PADS PowerPCB tutorial
2009-08-30 by for_si2003
I have created a beginners tutorial for PADS PowerPCB. It should be very easy and useful for anyone who want to get a quick tutorial for PADS PowerPCB. You may
Re: Anybody use AQ-3000
2009-08-27 by pr0pert
... Whatever information I can get. Is it easy to use? What method of application do you use? Shelf life? Things to look out for? Is it as good as it sounds? I
Re: Anybody use AQ-3000
2009-08-27 by jcarlosmor
What kind of information do you specifically need? I bought AQ-3000 photoresist, soldermask, and ink legend from the original manufacturer (before Genesis
Re: [Homebrew_PCBs] Re: Anybody use AQ-3000
2009-08-25 by leon Heller
... From: pr0pert To: Sent: Tuesday, August 25, 2009 5:05 PM Subject: [Homebrew_PCBs] Re: Anybody use
Re: [Homebrew_PCBs] Anybody use AQ-3000
2009-08-25 by leon Heller
It s probably something like the material discussed here which is used for coating wood and other materials:
Re: Anybody use AQ-3000
2009-08-25 by pr0pert
... I gave you the manufacturers website. They do sell directly at the $68 a kilo price. Same as on ebay with $14 shipping. They are located in Ohio, USA.
Re: [Homebrew_PCBs] Anybody use AQ-3000
2009-08-25 by leon Heller
I ve been reading up on that type of water-based polymer, and it ought to work. It should be probably available much cheaper from the actual manufacturer (I
Re: [Homebrew_PCBs] Anybody use AQ-3000
2009-08-25 by Zoran A. Scepanovic
... Hash: SHA1 ... Check: http://www.genesismt.com/ - -- Best regards, Zoran A. Scepanovic zastos@gmail.com www.zastos.com www.zastos.biz +381 63 609-993 =====
Re: Anybody use AQ-3000
2009-08-25 by pr0pert
... There are MSDS for all their products on their website at http://genesismt.com/ under TDS AMD MSDS Roger
Re: [Homebrew_PCBs] Anybody use AQ-3000
2009-08-25 by leon Heller
... From: leon Heller To: Sent: Tuesday, August 25, 2009 4:30 PM Subject: Re: [Homebrew_PCBs]
Re: [Homebrew_PCBs] Anybody use AQ-3000
2009-08-25 by leon Heller
... From: pr0pert To: Sent: Tuesday, August 25, 2009 3:56 PM Subject: [Homebrew_PCBs] Anybody use AQ-3000
Anybody use AQ-3000
2009-08-25 by pr0pert
Saw a water based photoresist called AQ-3000 Has anybody used it? Did a search, there were only two posts about it and they weren t very informative. They also
Re: [Homebrew_PCBs] Re: Making negatives
2009-08-21 by leon Heller
http://www.geocities.com/leon_heller ... From: pr0pert To: Sent: Thursday, August 20, 2009 10:06 PM
Re: [Homebrew_PCBs] Re: Making negatives
2009-08-21 by fana cute
you may try kicad, it have option to mirror and ploting negative.. ... From: pr0pert Subject: [Homebrew_PCBs] Re: Making negatives To:
Re: [Homebrew_PCBs] where to get solder paste syringes?
2009-08-21 by William Alford
... if you ve got air compressor, maybe you could rig up a hydraulic dispenser taking some cues from this - cheap plastic syringes as miniature hydraulic
Re: [Homebrew_PCBs] where to get solder paste syringes?
2009-08-21 by Stefan Trethan
They do make a manual dispenser for syringes, like a chaulk gun just smaller. There are two or three sizes I do not know if your syringe would even fit one.
where to get solder paste syringes?
2009-08-20 by Henry Liu
I got some Kester 256 Easy Profile and it came in one of these big plastic syringes about 1.5 in diameter. Looks kind of like a cookie dough canister or a
Re: [Homebrew_PCBs] Re: Making negatives
2009-08-20 by DJ Delorie
... Search the archives for answers. Mine is to use a custom print driver that knows how to do inverse and mirror images, as well as put down more ink than
Re: Making negatives
2009-08-20 by pr0pert
... OK I ve ordered some Silkjet media and I m ready to try this, but I may have gotten ahead of myself. It seems all the PCB editors output positive prints.
Re: [Homebrew_PCBs] Re: Making negatives
2009-08-20 by fana cute
yes, it same with my result. I have try it too at paper oil , it have better resolution, but it not finished my problem, its very difficult to developing the
Re: [Homebrew_PCBs] Re: Making negatives
2009-08-20 by DJ Delorie
... I ve tried laser transparencies, but (1) the resolution is poor and (2) toner doesn t block as much UV as you d need.
Re: [Homebrew_PCBs] Re: Making negatives
2009-08-20 by fana cute
... From: leon Heller Subject: Re: [Homebrew_PCBs] Re: Making negatives To: Homebrew_PCBs@yahoogroups.com Date: Monday, August 17,
Re: [Homebrew_PCBs] Re: Toaster oven reflow in the UK
2009-08-18 by Marc Olanié
... Hi Jjose Have a look @ the tech reflow controller from Silicon Horizon http://www.thesiliconhorizon.com/images/techFXreflow.pdf I m using it for 2 years
Re: [Homebrew_PCBs] Re: Toaster oven reflow in the UK
2009-08-18 by Stefan Trethan
I don t think sharp and fast heating are the correct terms. It is rather more gradual with preheat to give moisture the chance to gas out and stuff. The
Re: [Homebrew_PCBs] Re: Toaster oven reflow in the UK
2009-08-17 by DJ Delorie
... Most SMD parts have the reflow profiles in their data sheets. When reflowing a board, you have to find a profile that meets the profile specs of all the
Re: Toaster oven reflow in the UK
2009-08-17 by juanabba
Hi Phil some time ago I visited a large SMD assembly house, and I remember the guy touring us mentioning that the ovens ( quite a few 3 metters long ) were
Re: [Homebrew_PCBs] Printing directly on the cobberplates
2009-08-17 by Stefan Trethan
You beat me to it ;-) But then I was delayed by the new video on the page... Perhaps some day I will get my modified printer from the attic and resume my
Re: [Homebrew_PCBs] Printing directly on the cobberplates
2009-08-17 by Felipe Uderman
http://techref.massmind.org/techref/pcb/etch/directinkjetresist.htm []´s, - Uderman http://www.temadigital.com.br/ ... [Non-text portions of this message have
Re: [Homebrew_PCBs] Re: Making negatives
2009-08-17 by DJ Delorie
... IIRC the difference is that premium supports both ink and pigment, the other only supports one. My printer happens to be the type that they both support,
Re: [Homebrew_PCBs] Re: Making negatives
2009-08-17 by DJ Delorie
... I use an Epson R280 (claria inks) but I don t know if it s any better or worse than anything else. I know that with my printing software, I get 8 stops
[Homebrew_PCBs] Printing directly on the cobberplates
2009-08-17 by Keld Sørensen
I heard someone did do that – is there a description somewhere or some pictures of the changes to the printer ? Best regards Ksor, Denmark [Non-text portions
Re: [Homebrew_PCBs] Re: Making negatives
2009-08-17 by leon Heller
... From: pr0pert To: Sent: Monday, August 17, 2009 3:39 PM Subject: [Homebrew_PCBs] Re: Making negatives
Re: [Homebrew_PCBs] Re: Making negatives
2009-08-17 by leon Heller
... From: pr0pert To: Sent: Monday, August 17, 2009 3:39 PM Subject: [Homebrew_PCBs] Re: Making negatives
Re: Making negatives
2009-08-17 by pr0pert
... Thanks for this information. Looks like a great way to go. Any preference of dye or pigment? which works best? Also any printer to suggest or stay away