Category Archives: Test/Inspection


Aug01
3D CT X-Ray Non-Destructive 3D Tomography Analysis for PCBA and BGA Failures

In recent years, the commercial application of 3D CT X-Ray has become increasingly noteworthy. As the technology matures, more companies are investing in its development, making the equipment more affordable, though still not quite at a consumer-friendly price point. Additionally, … Continue reading

Jul18
Why Do Electronic Products Need Burn-In? What Are Its Pros and Cons? What Is Run-In?

In the early days, when electronic component design and manufacturing were still developing, the “burn-in” solution was used to screen out defective electronic components and products. This process allowed early-failing products to be identified and eliminated, preventing defective items from … Continue reading

Jul11
What Is the Purpose of Testing Electronic Products? It’s Like Buying Insurance!

Workingbear has been in the electronics industry for several years and has noticed an interesting phenomenon. Almost every new manager will ask the same questions when they come on board: “Why do we need to perform ICT (In-Circuit Test) at … Continue reading

Jun27
What is Function Verification Test (FVT) for Assembled Circuit Boards?

Function verification tests (FVT), or call Function Circuit Tests (FCT), are crucial for detecting defects in PCBA (Printed Circuit Board Assembly). These tests simulate the full functionality of the circuit board as if it were part of the final product. … Continue reading

Mar26
What is AOI? What Defects Can 2D AOI Detect in PCB Assembly?

AOI (Auto Optical Inspection) is an automated optical recognition system that has become widely used in the electronics industry for inspecting the quality of soldering, component placement accuracy and the presence of missing components on PCBA (Printed Circuit Board Assembly) … Continue reading