Absolute position accuracy of SMT pads in one single side

Francisco Pérez asked Feb 06,2025
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What is the absolute position accuracy of pads on a single side of a PCB manufactured by PCBWay? We need to guarantee that they are positioned within ±10 μm of the specified position in the Gerbers, and in theory, the 2:5 encoding format supports it (5 decimal places of an inch equals 0.254 μm). However, we don't know if manufacturing capabilities support this accuracy for SMT pads positioning.


Thank you in advance.

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    For the same layer, it is +/-50um, for different layers, it is about +/-100um, and we cannot achieve +/-10um.

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