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Subject: Re: [Homebrew_PCBs] Green coating used on PCB's

From: "Stefan Trethan" <stefan_trethan@...>
Date: 2004-10-19

On Mon, 18 Oct 2004 18:41:57 -0400, Earl T. Hackett, Jr.
<hacketet@...> wrote:

>
> The green coating is a solder mask. It comes in a variety of flavors
> silkscreen applied epoxy, photo imaged epoxy (CIBA IIRC), and photo
> imaged acrylic (DuPont Vacrel). Stay away from the Vacrel if you're
> going to wave solder it - it solder balls like no tomorrow. I have no
> idea how you would apply these materials without professional production
> equipment.

there is some photo-imaged laminate-on film i gathered. could be bungard,
not sure.
By the way, green 's out, red 's in now.

ST