Do the scratches on the PCB have any bad effect to products?

We receive a batch of PCB with scratches from my supplier, but they think it is acceptable. I have never seen such error on even an B stock boards parts. Very confused. How do scratches affect PCB working?

October 13, 2023

It depends on where the scratch is.

If the scratches are on the trace, it affects PCB working. Check whether your circuits are broken.
If the scratches are on the coppering area, it also affects PCB working.
If it happens in other places, there is few bad effects to PCB working.

Contact your supplier and give a quality assurance warning. Unstable product quality is a serious factor for your business, though you just sell in the retail market. It is advisable to find a supplier with ISO9001 management system as a backup supplier against the one you are cooperating with now.

Oliver Smith

Oliver is an experienced electronics engineer skilled in PCB design, analog circuits, embedded systems, and prototyping. His deep knowledge spans schematic capture, firmware coding, simulation, layout, testing, and troubleshooting. Oliver excels at taking projects from concept to mass production using his electrical design talents and mechanical aptitude.

Oliver Smith

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