Using an airbrush for spray coating the photoresist sounds like an
interesting option.
Does anyone have any estimates of the film thickness and uniformity that can
be
achieved using this method? Also, which photoresist and solvent combination
is normally used with an airbrush?

Thanks,
-Ameya



On Thu, Nov 12, 2009 at 10:51 AM, Dean Hopkins
wrote:


> Go to the nearest artist's store and buy an airbrush. Paasche makes good
> ones.
>
> With a little practice in a fume hood you can paint resist onto any
> arbitrary surface. For best results, select a resist formulation that is
> advertised for spray coating. The key ingredient is the solvent base. You
> want the resist to be nearly dry when it hits the surface. To wet, and it
> will run, too dry and it's like powder coating your workpiece.
>
> If all else fails, go to a body shop and borrow the kid who paints cars.
> Seriously.
>
> Hope this helps.
>
> Dean A. Hopkins, Jr.