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Category Archives: Soldering
Jun06
Questions from Newcomer: Why is Solder Paste Needed for SMT Reflow since BGA Already has Solder Balls? Is Solder Paste Needed for BGA Repair?
Questions from a newcomer about electronic manufacturing assembly process: Since there are already solder balls locate on the BGA substrate, why is it necessary to apply solder paste on the PCB pads during SMT reflow? Is it necessary to apply … Continue reading
Jun01
What is Wave Soldering? Laminar Wave and Turbulent Wave Purpose
Before the development of Surface Mount Technology (SMT), almost all printed circuit board assemblies (PCBAs) had to go through the process of wave soldering to achieve the purpose of soldering electronic components to the board. The process of “wave soldering” … Continue reading
May30
The Hidden Dangers of Using Overdue PCBs: Can Baking Salvage Them?
All materials actually have its shelf-life, some shorter and some longer than others. So what happens when expired materials are used? Think about what will happens when you eat expired food. What about using expired Printed Circuit Boards (PCBs)?
May18
Clarifying the Concept of Electronic Component Soldering Strength
While organizing an article on the structural analysis of Micro-USB connectors, Workingbear came across an interesting soldering concept that he would like to discuss with everyone. During the product development and NPI verification phase, RD often comes to me, I … Continue reading
May16
What is the difference between PCB and PCBA? PCB is like land with roads, but it doesn’t have buildings yet
What is the difference between PCB and PCBA? This is actually something that should be easily understood, but since someone asked, Workingbear will try explain it briefly here. If any readers notice any errors, please feel free to correct me. … Continue reading
