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PCB maker

Discussion in 'Electronic Design' started by Fernando, May 5, 2005.

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  1. Fernando

    Fernando Guest

    I would like to use the photographic process to PCB. Does anybody know
    where to find information on that, or maybe some place where to buy a kit?
    TIA
    Fernando
     
  2. Fernando,

    This is only one example:
    http://www.electricstuff.co.uk/pcbs.html
    With a little googling you will find more.

    petrus bitbyter
     
  3. It'd help if you said where you are. The World is a big place, and a
    hotmail account could be coming from almost anywhere...
    There are a number of different 'photographic' processes, and if you want
    good accuracy for a small number of boards, in all honesty these days you
    would be better off using one of the 'pooling' services and having the
    board made. This in many cases costs less than DIY now, with better
    quality, and no need to have the chemicals present.
    The 'minimum', would normally be to buy resist coated boards (these work
    much better than aerosol based systems), developer, etchant, and use
    artwork printed in reverse on acetate laser printer film. You also really
    need a UV 'light box' (except for very small boards, where the Sun can
    sometimes be used), and ideally a bubble etch tank (the PCB, etches much
    more accurately, with warm bubbled etchant, than working in a flat tray).
    You can for relatively simple boards, skip the use of the photo chemicals
    completely in some cases, and use iron the film directly onto a board,
    where the ink from the laser printer, will thermal transfer, and provide
    an etch resist. There are also special films designed to improve this
    process. This is probably the 'simplest' system.
    Have a look at:
    http://www.awrr.com/pcb.html
    Which lists some of the systems, and addresses for many companies doing
    stuff.

    Best Wishes
     
  4. Luhan Monat

    Luhan Monat Guest

    Hi,

    Here is how I do them...

    http://members.cox.net/berniekm/pcb.html
     
  5. Fonny

    Fonny Guest

    Take a look at this site on the Pree-n-peel product
    http://www.techniks.com/how_to.htm
    I've used the process and it is quite accurate and easy to use. I can't
    find my instructions, but I think it says to iron for about 3-4 minutes.
    I have found that the easiest for me is to use a hankerchief over the
    artwork (make sure it is flat and wrinkle free first) and then iron for
    approximately 60-80 seconds on the bottom of the cotton setting. It works
    every time for me now.
     
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