Monthly Archives: March 2024

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 (9,866)     comment (0)
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Mar19
The Purpose of Nickel (Ni) Plating on Components or Circuit Boards in the Electronics Industry

post on March 19, 2024

Firstly, let’s clarify that Workingbear is not a metallurgy expert. The content of this article is based purely on personal experience and information gathered from the internet. If there are any errors, feel free to point them out for correction. … Continue reading →

Fundamental Science, PCB/FPC/PTF, Soldering     WorkingBear    Views (6,043)     comment (0)

Mar12
Why Do PCBs Have Those Small Circles? What purpose of Test Points on PCBs?

post on March 12, 2024

Have you ever noticed those tiny circles on PCBs and wondered why they’re there? They don’t seem to have any parts soldered onto them, and some don’t even have solder paste. Well, those small circles are called test points, and … Continue reading →

PCB/FPC/PTF, Process, Test/Inspection     WorkingBear    Views (4,693)     comment (0)

Mar05
What are ICT(In-Circuit Test) and MDA(Manufacturing Defect Analyzer) in Electronics Manufacturing? Any Benefits?

post on March 5, 2024

Do you know what ICT (In-Circuit Test) is? Please note that we are not talking about Information and Communication Technology (ICT) here. And what about MDA (Manufacturing Defect Analyzer)? If these tests are commonly implemented in PCB assembly manufacturing, what … Continue reading →

Test/Inspection     WorkingBear    Views (8,850)     comment (0)
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