Category Archives: Reliability


Apr02
Root Cause Analysis: Why FPC Traces Break

Recently, my company started seeing an increase in field returns caused by open circuits in flexible printed circuits (FPCs) inside the terminal. After digging into several cases, the root cause turned out to be broken copper traces. So what’s going … Continue reading

Aug07
What’s the Difference Between Electromigration (EM) and Electrochemical Migration (ECM)?

At first glance, Electromigration (EM) and Electrochemical Migration (ECM) might seem alike. In both cases, metal atoms or ions move from a high-voltage area to a low-voltage area, and both can lead to dendrite growth. But they’re actually very different … Continue reading

Aug06
How to Perform Process Capability Analysis?

Process Capability refers to how well a process can produce quality products once it becomes stable. In real production, many variable factors can cause the process to fluctuate. By applying statistical methods, we can better understand how the process is … Continue reading

Jul31
What’s the Difference Between Quality and Reliability?

Do you know the difference between quality and reliability? These two terms often get confused, but if you dig deeper, they actually mean different things. So how do you tell them apart? (The following is just Workingbear’s personal opinion and … Continue reading

Jul24
Understanding ORT: What It Is and How It Differs from REL (Reliability)

ORT stands for Ongoing Reliability Test, and sometimes it’s written as Ongoing Reliability Testing. ORT is a very important quality control measure in electronics manufacturing. Its purpose is to continuously monitor the reliability of products during mass production, so that … Continue reading