could it be from the pebbled surface of the vacuum frame making contact on
the underside of the plate and causing an uneven pressure, thus little ripples?
Mark Nelson
In a message dated 2/15/04 6:50:55 PM, jon@terabear.com writes:
> Thanks Christina,
>
> I'm using a screen made at Alpha Graphics and am using Pictorico OHP
> transparencies. I am using a frame vacuum. If I watch the exposure of
> the screen, I do see some bips (my own term) in the surface of the film
> from the pressure, but it's otherwise smooth. I don't know what could be
> causing the little indentations. The screen also comes off the frame
> vacuum perfectly smooth too (no kinks or bips -- they only exist during
> the exposure).
>
> Jon
>
Received on Sun Feb 15 22:38:53 2004
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