[simpits-tech] Engraving font

[Allen Buffington]

Thanks Gene,

I noticed on some real panel photos that they have what
appears to be a translucent material around the rotary switch
cutouts to backlight the knobs, is this also paint?

~Allen


-----Original Message-----
From: simpits-tech-bounces at simpits.org
[mailto:simpits-tech-bounces at simpits.org] On Behalf Of Gene
Buckle
Sent: Tuesday, June 15, 2004 9:05 AM
To: Simulator Cockpit tech list
Subject: RE: [simpits-tech] Engraving font

> without backlighting the lettering. On the real panels I
think they used a
> translucent white material with a thin coat of white paint
over it and then
> black paint on top. The black paint was etched away leaving
the white
> painted lettering. This is not possible to do using
conventional engraving
> techniques.

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.


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