Homebrew PCBs

I used a similar spin machine when I worked for a university research lab.
Worked great!

Todd K7TFC

On Apr 2, 2013 3:24 PM, "Roland Harriston" <rolohar@...> wrote:
>
>
>
> alexhun19:
> >
> > Depending on the viscosity of the liquid, perhaps a spin-coating
> > technique would work.
>
> >
>
> Roland F. Harriston, P.D.
> ***********************
>
> > Thanks to all responders!
> > I'll give the squeegee a try on the next batch.
> >
> > As Leon kindly clarified, it is a liquid resist, supplied in an
> > applicator similar to some shoe polish ones: a small tube with a
> > sponge on the end. As you push on the sponge a small valve allows an
> > amount of liquid resist into the sponge to be distributed on the board.
> >
> > The challenge is to get the resist distributed on the board in a nice
> > even way, without building up too much of a layer. The stuff has a
> > tendency to form ridges and dry very quickly, leaving little time for
> > it the settle to an even coat.
> >
> > Alex
> >
> > >
> > > Alex
> > >
> > >
> > >
> > >
> > >
> > > [Non-text portions of this message have been removed]
> > >
> >
> >
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> 


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