Category Archives: Quality


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

post on July 18, 2024

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 →

Process, Quality, Reliability, Test/Inspection     WorkingBear    Views (1,442)     comment (0)
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Jul11
What Is the Purpose of Testing Electronic Products? It’s Like Buying Insurance!

post on July 11, 2024

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 →

Management, Personal Opinion, Process, Quality, Test/Inspection     WorkingBear    Views (1,265)     comment (0)
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May23
How to Resolve HIP or HoP Soldering Issues in BGA Solder Balls

post on May 23, 2024

BGA packages  are prone to HIP, also known as HoP defects, during the reflow process, and it is an undeniable fact that the larger the size and the more balls a BGA package has, the more likely HIP is to … Continue reading →

Quality, SMT, Soldering     WorkingBear    Views (2,470)     comment (0)
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May02
Concept Clarification: IMC Layer Fracture Despite the Formation of Effective Solder Joints

post on May 2, 2024

In this blog, Workingbear has explored the causes and analysis of soldering cracks and electronic component detachment in several articles. It has consistently mentioned that most of the fractures occurring when electronic components detach happen at the Intermetallic Compound (IMC) … Continue reading →

EDX/EDS/SEM/IMC/FTIR,, Quality, Reliability, SMT, Soldering     WorkingBear    Views (2,170)     comment (0)
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Mar26
What is AOI? What Defects Can 2D AOI Detect in PCB Assembly?

post on March 26, 2024

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 →

Process, Quality, SMT, Test/Inspection     WorkingBear    Views (3,059)     comment (0)