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Subject: Re: [Homebrew_PCBs] Re: Photo exposure

From: "Stefan Trethan" <stefan_trethan@...>
Date: 2007-02-05

On Mon, 05 Feb 2007 19:05:52 +0100, derekhawkins <eldata@...> wrote:

> Another issue with laser artwork is dimensional accuracy. Boards made
> from laser artwork (whether TT or photo) can have the pads so badly
> misplaced that using CNC drilling becomes a frustrating experience.
> Inkjet artwork is much better in this respect also. The only thing
> laser artwork has over inkjet is smoother edges. These are all best
> case scenarios BTW.


Yes, but some things can be calibrated (skew and stuff). It won't get
perfect, but combined with adjusted x/y scaling in software you should get
a printout that does not cause too much trouble. Check the printer service
manual for adjustments.

ST