What is X-out PCB? Is there price difference when I don't accept X-out PCB?
What is standard stack-up for multi-layer PCB on ALLPCB?
What information is required for impedance control in PCBs?
What is the minimum via size and hole size?
Which PCB file formats does ALLPCB support?
What are the differences between various Via treatments?
What are the guidelines for designing vias in pads?
What is the maximum size of flexible PCBs?
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