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Posts by Xiaoji Lee

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About Xiaoji Lee

I am a PCBA sales engineer at Fulltronics company. As an outgoing girl, I have enjoyed communicating with people from the very beginning. Since joining the OEM PCB&PCBA field. I have become senior sales, that involves both negotiation and business development. View all posts by Xiaoji Lee →

28 Aug

Understanding Bill of Materials (BOM) in PCB Manufacturing

August 28, 2025
By Xiaoji Lee
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The Bill of Materials (BOM) is very important in electronics manufacturing. It's the most important point where design meets reality. ...

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26 Aug

Monitor PCB: The Ultimate Guide to Your Display’s Brain and Nervous System

August 26, 2025
By Xiaoji Lee
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Monitor PCBs are essential components in modern display systems. These PCBs contain the electrical circuits that control display functi...

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19 Aug

Understanding PCB Controller Boards: Their Applications, Categories, and Integration with the PS5

August 19, 2025
By Xiaoji Lee
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With the progress of technology, there is an increasing need for more advanced, multifunctional, and high-performance controller boards...

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15 Aug

RLC circuit : Types, Working Principles, Impedance Calculation, and PCB Design Applications

August 15, 2025
By Xiaoji Lee
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RLC circuits are made up of resistors (R), inductors (L), and capacitors (C)—underlie many analog and power electronics systems. Variou...

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12 Aug

What is Solder Joint in PCB Assembly: Types, Manual & Automated Soldering, Defects & Solutions

August 12, 2025
By Xiaoji Lee
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Solder joints are made to fix components on the board and ensure the continuity and rigidity of components. They’re made by applying a ...

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05 Aug

PCB Visual Inspection: A Complete Guide to Standards, Techniques & Defects

August 5, 2025
By Xiaoji Lee
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In electronics manufacturing, every component – from motors and gears to sophisticated PCBs - all go through vicious testing. PCB visua...

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29 Jul

How Flying Probe Tests Improve Electronics Manufacturing

August 6, 2025
By Xiaoji Lee
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In today’s world, all products rely on electronic boards that should be tested after manufacturing. Reliability in testing is crucial a...

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22 Jul

In-Circuit Testing (ICT): The Ultimate Guide to Fixtures, Methods & Machines

September 5, 2025
By Xiaoji Lee
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In the business-critical world of electronics manufacturing, a single faulty resistor or cold solder joint may result in thousands lost...

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15 Jul

How to Apply Solder Paste in PCB Assembly?

August 6, 2025
By Xiaoji Lee
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Solder paste is a critical material used in surface mount technology (SMT) to connect surface-mounted components to PCBs through reflow...

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08 Jul

PCB Backdrilling Guide: Via Stub Removal for High-Speed Signal Integrity

July 25, 2025
By Xiaoji Lee
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Imaging a plain plated-through-hole (PTH) via as taking a signal from Layer 1 to Layer 4 on an 8-layer board. The barrel of the via is ...

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