Re: Polymer Plate 80% screen Weirdness

From: Ender100@aol.com
Date: 02/15/04-10:38:35 PM Z
Message-id: <8b.37b6dd7.2d61a34b@aol.com>

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

This archive was generated by hypermail 2.1.8 : 03/02/04-11:35:09 AM Z CST