18 ms·

its 4 layer PCB with 275 micron via pad and 75 micron mechanical drill. I am not joking our PCB fab confirmed its doable technology for them.

• tcas 11y ago
  I think many PCB fabs will say they can do it, the question is how much they will charge. 75 micron drill is crazy.
  • openchip 11y ago
    PCB confirmed the "DIPSY easysolder PCB" deliver on 20th july, this is special downgraded version of the PCB, 2 layers, drill 0.15, trace space 50 micron..