[sdiy] smallest font sizes for pcb

Bruce Duncan modcan at sympatico.ca
Tue Dec 22 03:29:20 CET 2009


I use 40mil with 7mil line weight for SMT 0805 size parts and 50mil 
with 8mil line weight on thru-hole stuff.
Even 40mil is pretty small for reading without magnification (with my 
eyes anyway)
30mill is very small and will be hard to get a clean screen print as 
mesh is only so fine or ink won't flow.
Fine mesh for screens is around 305 threads per inch I believe.

Bruce


>I am having an issue with boards at PCBcart with text they say is too small.
>
>What is the smallest font+ratio size I should get away with? They were
>suggesting >30mil but this seems pretty big.
>
>
>cheers,
>Danjel
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