Category Archives: Reliability


May30
The Hidden Dangers of Using Overdue PCBs: Can Baking Salvage Them?

All materials actually have its shelf-life, some shorter and some longer than others. So what happens when expired materials are used? Think about what will happens when you eat expired food. What about using expired Printed Circuit Boards (PCBs)?

May18
Clarifying the Concept of Electronic Component Soldering Strength

While organizing an article on the structural analysis of Micro-USB connectors, Workingbear came across an interesting soldering concept that he would like to discuss with everyone. During the product development and NPI verification phase, RD often comes to me, I … Continue reading →

Jun19
Will Increasing Solder Paste Volume Help Prevent MLCC Cracking?

Figure: Will Increasing Solder Paste Volume Help Prevent MLCC Cracking? Recently, Workingbear received a complaint from R&D asking us to increase the solder paste volume on the MLCC (Multilayer Ceramic Capacitor) component pads to improve a capacitor cracking issue. R&D … Continue reading →

Oct01
Copper Defined vs. Solder Mask Defined pad design for BGA soldering strength

Since the electronic product design moves from desktop to portable devices, the manufacturer also make electronic component as small as possible to meet this popular trend. Besides, the PCB thickness also become thinner and the associated soldering pads on the … Continue reading →

May14
Temperature Environmental Cycle Profile

The purpose of temperature environmental test is that the good are shipped by various types of carriers and experience a wide range of storage temperatures, depending on the customer environment, hence the need for this kind of testing. Further, certain … Continue reading →