Category Archives: Reliability


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

Jun26
What is Environmental Stress Screening (ESS)?

Environmental Stress Screening (ESS) is a method used to apply certain environmental and operational stresses—such as power on/off cycles, bias voltage, pressure, thermal cycling, and vibration—to new or repaired products (usually electronics or components). The idea is to expose hidden … Continue reading

Jun12
Impact Drop Test Requirements in Electronic Product Development

During the design and verification phase of electronic products, an Impact Drop Test is a standard procedure. This test is generally divided into two phases: Product Drop Test – Testing the device without packaging. Packagage Drop Test – Evaluating the … Continue reading