You also see this in PDF outputs of PCB artwork: the fonts get rasterized there. I am trying to put logo on PCB in Altium Designer 10. You can't import a DXF/DWG drawing that uses them (if you're lucky, they will be chopped into approximating circular arc segments often they simply don't show up at all).
Curiously, PCB does not support a Bezier curve, which is kind of the biggest limiting problem. I've seen it done very nicely with TrueType fonts. Oh, and be sure to perform DRC before you place the logo. Regarding manufacturer limits, you shouldn't have to worry too much, those tracks are close to each other and will 'blur' (overetch) a bit. Then use copy/paste to place the logo wherever you need. This way at the same size you'll have effectively used thinner tracks.
Then without deselecting the newly created tracks, scale them down to the needed size. My solution for this is import a higher resolution image (if available) onto an unpopulated and unrouted empty board. Altium AD 10 Examples Scripts Delphiscript Scripts PCB PCB Logo Creator. How to import a graphic onto the PCB overlay Old Content - visit /documentation Modified by on 1 PCB Logo Creator Script The Altium Designer. If image has poor resolution the tracks which compose those letters will appear, as you say, grainy. That is because of the way the script works, converting pixels to traces.
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