Re: process question

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From: David J. Romano (romano@agfa.com)
Date: 01/04/01-02:57:11 PM Z


Yes, also in the rotogravure process, the depth of the etched holes can
be controlled as well as their size, thereby creting a more continuous
tone image with more graylevels.

dave

Ken Sinclair wrote:
>
> Rachelle,
>
> I believe the process "name" you seek is rotogravure... where the material
> is brought into contact with the paper "directly" froma metal plate that
> was "etched" rather than off the secondary rubber drum which takes the
> image from a "screened" negative. Generally the rotogravure process
> produces a page of a higher quality than offset pinting.... at a much
> higher $$ cost.
>
> The last books I remember seeing printed in rorogravure may have been the
> first edition of the Time-Life Series on "photography" that came out in the
> late 60's
>
> A photograph printed by rotogravure process can be recognised quite
> easily.... as long as no one in the library sees you doing it... take the
> "back" of your fingernail and "gently" take it across a corner of the
> photograph image "space"... looking at the image from an angle, you will
> find you have left a "skid-mark" that cannot be "rectified".
>
> One of the negative films used to make the plates was Kodak's 4127.
>
> Ken
>
> >Does anyone know of a process in which one prints continuous tone using an
> >offset printing press? I watched someone do it once, but can't remember the
> >name of the process or any other details. HELP.


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