- Joined Apr 17, 2019
When I design PCB in software, I set the trace size and hole size. Does this mean that if I send my design to manufacturing house, they can change parameter like trace size or hole size. Does it happens I don't know about it.If you get a board made commercially then the board house will specify their limits.
Look at the manufacturers web site. They will give you specifications on how small a trace they can produce and how small a hole they can drill. Keep in mind, though, that you don't always want the smallest hole or the narrowest trace. Some manufacturers will charge for the smallest holes and finest traces.If you get a board made commercially then the board house will specify their limits.
MrChips makes a good point. Production PC boards will need to be designed properly so that the bare board manufacturer can actually build them at a reasonable cost. As traces and part lead pitches get smaller, a board may cost more. Additionally, constraints may be placed on a board so that pick and place machines can properly place the parts and so that during reflow the parts are soldered correctly. I've used assembly houses that asked to modify my design to avoid problems during assembly, including part tombstoning as well as solder shorts circuits.Designing an ultra fine line PCB for production is very different from designing for hobby interests.
Usually they shouldn't, unless you push their technical limits. Most FABs accept minimal trace widh and clearance 6mils (about 0.154mm) and minimum drill 0.3mm as standard and also cheapest requirement. If you want thinner tracks and smaller drill size then you are charged by their higher requirements prices.When I design PCB in software, I set the trace size and hole size. Does this mean that if I send my design to manufacturing house, they can change parameter like trace size or hole size. Does it happens I don't know about it.
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by Jake Hertz