PCB Engineering ResourcesStackup | Trace spacing | Vias | Quality control

Trace and Spacing

PCB trace width and spacing guide.

Trace width and spacing affect manufacturability, current capacity, copper balance, inspection and long-term reliability.

Copper

Copper weight

Higher copper weight usually requires wider spacing and careful process review.

Density

Routing density

Fine line designs should be reviewed against material, finish and inspection capability.

Quality

Inspection

AOI and electrical testing help confirm copper pattern quality after fabrication.

Engineering itemManufacturing reviewRelated page
FilesGerber, drill, outline, stackup and manufacturing notes.Required files
CapabilityLayer count, board thickness, copper, material and surface finish.Capabilities
QualityAOI, electrical testing, visual inspection and reliability review.Quality Control

Prepare your PCB project for engineering review.

Send manufacturing files, stackup details, material requirements and application notes.

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