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Category Archives: Test/Inspection
Aug29
How to Use 2D X-Ray to Identify BGA Issues like Non-Wetting, Cold Solder, and HIP or NWO
If you’re an SMT engineer, you’ve probably used an X-Ray inspection machine to check the soldering quality of BGAs. But, after looking at the BGA solder balls repeatedly, they all seem to look the same. So, how can you tell … Continue reading
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
