Technology
Acceptance criteria for PCB
Through-hole/hole

Unqualified: Broken holes and welded rings both exceed 90 °.
Unqualified: Blocking the hole will result in the inability to install components.
Unqualified: The warpage of the circuit board exceeds 0.75%.
Unqualified: There is a lump inside the hole; The diameter of the hole is smaller than the minimum value specified in the procurement documents.
Qualified: The incorrect nature of the hole can affect the assembly of the component.
Unqualified: There are missing boreholes, multiple boreholes, wrong boreholes, etc.
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  • Edge/contour of PCBEdge/contour of PCB
  • PCB surfacePCB surface
  • solder resistsolder resist
  • Copper traceCopper trace
  • solder resistsolder resist
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