[simpits-tech] Re: panel backlighting

[Gene Buckle]

> >Allen, the real panels are clear plastic with a white paint layer followed
> >by a black outer coat.  The engraving process is either a photo-etch
> >process that's very similar to how circuit boards are made, or a
> >multi-pass laser ablation process.
> >g.
>
>
>
> G,
> The lettering is placed on the panels by a laser etching technique.

Not all the time. :)  It all depends on the company that built the panel.
For instance, all my F-15C panels are photo-etched as well as many of the
early Boeing panels.  Laser etching is a more recent innovation.

g.