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Green PCB's

Discussion in 'Electronic Basics' started by Richard Harris, Jan 15, 2005.

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  1. How do manufactured PCB's get there green colour and what purpose does it

  2. Gareth

    Gareth Guest

    The green coating is called solder resist. As the name suggests, solder
    does not stick to it. This reduces the chances of solder going where
    you don't want it and therefore makes soldering much easier.

    BTW it doesn't have to be green though it often is.


  3. John Larkin

    John Larkin Guest

    Solder mask. The resist is used earlier in the process, and is removed
    along the way.
    Our boards are blue. We have one customer who decided to screen all
    their "static sensitive" boards red. QC then decided that all boards
    are static sensitive, so now they're all red.

  4. Tom Biasi

    Tom Biasi Guest

    Hi Richard,
    The others are correct but just a note: Some fiberglass boards are green
    from the start.
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