Dry Film Laminiate Suppliers
2008-01-17 by Andrew
Markus, Where do you get your dry film laminate. There is only one PCB shop in my city and they are not interested in supplying me any consumables.
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Re: [Homebrew_PCBs] Re:THRU HOLE PLATEING
2008-01-17 by Stefan Trethan
So why not simply disable it? It s not like anyone with more intelligence than a carp will fall victim to phishing. ST
Re:THRU HOLE PLATEING
2008-01-17 by javaguy11111
That is the method I have used. I put a few layers of scotch tape on the corners to develop the gap. Works quite nicely when I have a via that has to go under
Re: [Homebrew_PCBs] Re: THRU HOLE PLATEING
2008-01-17 by Markus Zingg
Rest asured that I will post the link here once it s ready. I just saw that the pic I uploaded yesterday meanwhile was checked by the group administrator and
Re: [Homebrew_PCBs] Re: THRU HOLE PLATEING
2008-01-17 by Markus Zingg
James, I only have an incomplete know how of what s inside the baths cause I bought the chemistry, but for those willing to also buy such chemistry, this is a
Re: [Homebrew_PCBs] Re:THRU HOLE PLATEING
2008-01-17 by DJ Delorie
... What I ve been doing lately is thusly: Strip a couple inches of wire wrap wire. It s 13 mil, fits into a 13.5 mil hole. Put something under the PCB to
Re: [Homebrew_PCBs] Re:THRU HOLE PLATEING
2008-01-17 by Myc Holmes
Interesting, wen Iopen the massmind website, i get a phishing alert from Micorsoft Onecare. Myc ... [Non-text portions of this message have been removed]
Re: THRU HOLE PLATEING
2008-01-17 by peripherin
I am sure thier are a lot of people who would be very interested in exactly how you are getting success with this process.Please tell the group when the web
Re: THRU HOLE PLATEING
2008-01-17 by James Newton
Wow... Are you willing to tell us the exact chemicals and times for those baths? How do you keep the holes from being eched off along with the unwanted copper
Re:THRU HOLE PLATEING
2008-01-17 by James Newton
http://techref.massmind.org/techref/pcbholes.htm has a good over view of options for holes and layers in homemade PCBs. -- James. Posted by: peripherin
Re: [Homebrew_PCBs] Laminator temperature control
2008-01-17 by Stefan Trethan
That is certainly the case with modern programmable ones, but older surplus controllers will often only work with one type of thermocouple and some only with
Re: [Homebrew_PCBs] Re: Need a fine pitch stencil? Here's a method to create your own homebrew high
2008-01-17 by Markus Zingg
I use a standard office laminator that I bought too many years ago so as it would make sense to give the exact make and modell. However, virtually any
Re: Need a fine pitch stencil? Here's a method to create your own homebrew high
2008-01-17 by javaguy11111
You may have mentioned it elsewhere and I did not see it, what are you using for the laminator? ... film ... you ... feed ... reason ... the ... cycles ...
Re: [Homebrew_PCBs] Re: Need a fine pitch stencil? Here's a method to create your own homebrew high resolution fine pitch stencil!
2008-01-17 by Markus Zingg
Brian, The foil actually only is suposed to serve as a carrier for the dry film laminate on both sides of it. The one I use is less than one mil thick, and I
Re: Need a fine pitch stencil? Here's a method to create your own homebrew high resolution fine pitch stencil!
2008-01-17 by Brian
Never thought of this. Cool idea. You said to use thin foil, when you apply the paste do you have a problem with the foil between the pads breaking? and if so
Laminator temperature control
2008-01-16 by josemj1
There seems to be a lively discussion about the use of laminators, so I think I should chime-in. I bought a cheap 9 pocket laminator from a Wal-Mart, then
Re: [Homebrew_PCBs] Re: Epson R285
2008-01-16 by Michel Baguet
Thank you, I already use HP inkjet photopaper which works without soaking in water, just peel it off. But for double sided PCB, it s difficult to align both
Re: THRU HOLE PLATEING
2008-01-16 by peripherin
Okay did some experiments with The Toner senstive foil. My general impression is that the toner needs to be really clean and that you need a lot of heat and
Re: [Homebrew_PCBs] Re: Epson R285
2008-01-16 by Derward
Mike, this is overhead projector transparency for laser printers so it will take the iron heat. I iron on like any paper and let cool. Once it is cool I peal
Re: [Homebrew_PCBs] Re: Epson R285
2008-01-16 by Michel Baguet
Hi, Can you give more infos about the 3M transparency you use ? Have you any reference ? Mike. Derward wrote:
Re: [Homebrew_PCBs] THRU HOLE PLATEING
2008-01-16 by Markus Zingg
Ok, the picture did not made it through. I created an album and uploaded it to the photo section, but the group moderator first must aprove the picture.... So
Re: [Homebrew_PCBs] THRU HOLE PLATEING
2008-01-16 by Markus Zingg
I m right now through plating a board, and quickly took a picture for you. The board is now in the last step, the copper plating bath. The station you see on
Re: [Homebrew_PCBs] THRU HOLE PLATEING
2008-01-16 by Leon
... From: peripherin To: Sent: Wednesday, January 16, 2008 4:11 PM Subject: [Homebrew_PCBs] THRU
THRU HOLE PLATEING
2008-01-16 by peripherin
Now I am going to ask a question that I have tryed at before and failed. Does anybody know how to thru hole plate useing home equipment ? Also any good
Re: TONER
2008-01-16 by peripherin
TRF film is like the press and peel system that you can buy for manufacturing PCB s. Pulsar in the states sell rolls of it. What it actually does is when iron
Re: [Homebrew_PCBs] Re: TONER
2008-01-16 by Helge Kyndbo
Hi, I would like to understand what is toner sensitive film . please show some light on this. thanks Helge ... [Non-text portions of this message have been
Re: TONER
2008-01-16 by peripherin
Well The good news is it works and it works really really well The toner is rock hard and fused to the board I have found that slowing the motro to helps as
Need a fine pitch stencil? Here's a method to create your own homebrew high resolution fine pitch stencil!
2008-01-15 by Markus Zingg
Hi group Under the folowing path in the files section you find a description on how to create your own fine pitch stencils. There you also see how to apply
Re: [Homebrew_PCBs] Re: TONER
2008-01-15 by Stefan Trethan
It is easy to figure out, pull the fuser unit, attach some slow drive motor of your choice, attach a thermostat, preferrably electronic not electromechanic,
Re: TONER
2008-01-15 by peripherin
I have ordered a selection of thermostats from Radio Spares. I did not know which temperature would work best with the HP toner but guessing points me to
Re: [Homebrew_PCBs] TONER
2008-01-15 by Stefan Trethan
I know i wrote this a couple of times already, but if you have some electrical and mechanical skill (which you have, otherwise you wouldn t be here in the
Re: [Homebrew_PCBs] TONER
2008-01-15 by Derryck Croker
... Use the laminator to tack your master to the PCB, may be best to pass it through corner first; do it a couple of times from opposite corners. Use your iron
TONER
2008-01-14 by peripherin
Okay an interesting point but what temperature doe the HP toner melt at looking on the web it seems that people say anywere between 100deg C and 220 Deg C ?
Re: [Homebrew_PCBs] Re: Epson R285
2008-01-14 by Stefan Trethan
Oh well, another great example of the crap i was taught at school and never considered properly ;-) So, just to get this straight, The process actually goes
RE: [Homebrew_PCBs] Re: Epson R285
2008-01-14 by James Smith
Does anybody know what temperature toner transitions from solid to liquid ? To: Homebrew_PCBs@yahoogroups.comFrom: novost@gmail.comDate: Mon, 14 Jan 2008
Re: Epson R285
2008-01-14 by Len Warner
... This is because it is made of fibres of cellulose, a long-chain carbohydrate molecule, which absorb the water and swell up in all directions - but only the
Re: [Homebrew_PCBs] Re: Homebrew UV LED based exposure unit
2008-01-14 by Ross McKenzie
... Hi Markus, I bought 50 UV Leds from an eBay source in Hong Kong last year. One was faulty, but the remainder worked perfectly. I constructed an exposure
Re: Homebrew UV LED based exposure unit
2008-01-14 by Markus Zingg
[snip] ... Unfortunately I in fact don t understand the language :) but - nice work! ... Hmmm, be VERY carefull. I just was reading a post from a guy in a
Re: [Homebrew_PCBs] Re: Homebrew UV LED based exposure unit
2008-01-14 by Zoran A. Scepanovic
Hello Markus, ... %
Re: [Homebrew_PCBs] Re: Homebrew UV LED based exposure unit
2008-01-13 by Markus Zingg
Damon, No worries, it was not me who wrote the other answer :-). I have no problem to disclose all information or else I would not have uploaded the stuff. in
Re: Homebrew UV LED based exposure unit
2008-01-13 by javaguy11111
When someone publishes something I think is really cool, I do not hesitate to ask for details. If you want to blunder around reinventing the wheel, then be my
Re: Homebrew UV LED based exposure unit
2008-01-13 by javaguy11111
It is up to you how much information you want to supply. If I or someone else were to try and duplicate your work it helps to have as much information as
Re: [Homebrew_PCBs] Re: Homebrew UV LED based exposure unit
2008-01-13 by Markus Zingg
1. Not sure what you mean. I use overhead foils that I print onto using an Epson Stylus C62. The PCB s are laminated using dryfilm fotoresist (in my case Ordyl
Re: [Homebrew_PCBs] Re: Homebrew UV LED based exposure unit
2008-01-13 by Zoran A. Scepanovic
Hello javaguy11111, ... Wow :) Would you have all chewed up and swallowed, and you to have stomach full without any effort? Adnd does marcus have to
Question for vers5d
2008-01-13 by javaguy11111
I was just noticing in the photos section a folder called laser etching tests which appears to be pictures of using a laser engraver to remove resist on a pcb.
Re: Homebrew UV LED based exposure unit
2008-01-13 by javaguy11111
Very nice. A few questions 1. What are you using for the mask 2. Can you upload the datasheet for the LED s you are using. 3. Can you post parts lists and
Re: [Homebrew_PCBs] Re: Epson R285
2008-01-13 by Lez
... I found I could not get the staples paper from staples, I suggest you try the asda paper I posted earlier, sounds like the paper you are getting from
Re: Epson R285
2008-01-13 by peripherin
I think I have established what the problem may be the staples paper I have form a UK branch has a very waxy finish on the rear non printable side almost like
Re: Epson R285
2008-01-13 by peripherin
... shiny ... more thumb ... remove ... when it ... I try hot ... blame, very ... leaving ... along time ... cheaper ... Yes I use warm water to remove the
Re: [Homebrew_PCBs] Re: Epson R285
2008-01-13 by Stefan Trethan
I have the same results. Thermal contraction tries to rip the edges away. My solution is to print a wide black strip all around the PCB, you don t care if all