A sharpie is okay for small areas, but hard to get a good fill on larger
things.
I use one to fix bad spots on toner tranfers with fair results.
Did someone say a red one works better?
mickeym
ransom peek wrote:
>First time tried to make pcb, used Sharpie Ultra Fine marker and ferric
>chloride from Radio Shack. After 10 minutes in solution, with
>agitation, market lines were degrading badly. Stopped the etching,
>applied more marker, and etched for another 8 minutes (roughly). Still,
>the copper areas are pitted, very much degraded - the pen just doesn't
>do a good job - the ferric chloride does attack it.
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>Am I doing something wrong? My plan is to go over all the traces and
>pads with solder to ensure continuity for this prototype, but in the
>future. Do I need a different method or different marker pen?
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>Also - I find that isopropyl alcohol does an ok job of removing the
>marker - is this a good choice?
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>Ransom Peek
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>Fort Collins CO
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