QIEST CO LTD Expertise PCB Inspection and X-Ray Witness Testing at Thailand

Sep 07, 2015


Testing Equipment: 5x Magnifier

Inspection Defects Finding,

Circuit Copper Exposed, Cooper on tracks, and Damaged gold

Abrasion on gold surface and deep Scratch cause Nikel exposes

Scratch, protrude on ENIG and solder mask repair touch up

Discolorations, Dent, depress and test pin mark

Solder mask skipping diameter and circuits with cut track

Circuits solder mask expanded between tracks

Wrong PTH hole diameter

Witness testing: