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PCB assembly advice

Discussion in 'General Electronics' started by pokchi, Feb 7, 2004.

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  1. pokchi

    pokchi Guest


    I am putting together a kit for hobbyists. For each board in the batch I
    need an SOIC device soldered on to it. I don't have the confidence to do it
    myself by hand at the moment. There are a bunch of other SMT components
    already soldered on the board. Can someone recommend an assembly shop who
    can give me a good deal please? Olimex??

    Also, I am planning another board with a 12mm square 184 pin BGA device on
    it. I will need to get this soldered too, so same question here.

    Many thanks
  2. Quark Ng

    Quark Ng Guest

    Soldering BGA will probably be more expensive than you would like.
    Typically, BGA soldering may require X-Ray examination to make sure
    that the solder had reflowed properly. It will also require a good
    "oven" - possibly vapor phase?

    Soldering SOIC is easy (if you didn't mean to say TSSOP or other finer
    pitch components). Anyone can do it with practice. Make sure you
    solder one pin and wait for it to cool before you solder the next pin.
    The biggest mistake for beginners is overheating the device because
    they kept the soldering iron on it too long.

    If you want to get some really cheap labor, you may want to find
    someone who is still going to a technical (trade) school studying to
    be an electronic technician.

    Good luck!
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