Assess the dielectric breakdown capability of PCB

Ensure that impedance testing meets customer requirements

Measure ion contamination of PCBs from raw materials, S/M, and finished products

Assess the reliability of perforated copper

Whether the copper thickness on the test surface meets the customer's requirements

Test the adhesion between the test board and the substrate

Test whether the line width and spacing meet customer requirements

The bonding force between the test board and the solder mask