Lily's Column

What is Reflow Soldering?

by Lily Zhang

What is Reflow Soldering?

Scheme of a reflow soldering process: Step 1 Solder paste printing:After mixing and acclimating the solder paste, it is manually/automatically app...
Posted in PCB, pcba, smt

What is Wave Soldering?

by Lily Zhang

What is Wave Soldering?

Wave soldering machines are mainly used for THT (Through-Hole Technology), components that (manually or fully automatically) are inserted through t...
Posted in pcba, smt, soldering

Lead Soldering vs. Lead-Free Soldering for PCBs

by Lily Zhang

Lead Soldering vs. Lead-Free Soldering for PCBs

Solder is a metal alloy used as a type of “glue” used to fuse together with electrical components on PCBs. The solder is traditionally a mixture of...
Posted in pcba, soldering

8 Common Errors in Surface Mount Technology (SMT)

by Lily Zhang

8 Common Errors in Surface Mount Technology (SMT)

Surface Mount Technology Troubleshooting #1 Solder-bridging or electrical bridging Solder bridging is solder across the two conductors that should ...
Posted in PCB, PCB fabrication, PCB manufacturing, pcba, smt, soldering

How a PCB Assembly Defect Detection System Guarantees Product Quality

by Lily Zhang

How a PCB Assembly Defect Detection System Guarantees Product Quality

Common PCB Defects and Their Impact on Product Quality Solder Bridges Defined as a defect under IPC-A-610D, a solder bridge is formed when two-comp...
Posted in PCB, PCB fabrication, PCB manufacturing, pcba

PCB Testing Methods

by Lily Zhang

PCB Testing Methods

If you’re wondering how to test a circuit board, you may not realize that there are actually several PCB testings methods. The following circuit bo...
Posted in PCB, PCB fabrication, PCB manufacturing, pcba, Test

What’s the Difference Between SMD and NSMD?

by Lily Zhang

What’s the Difference Between SMD and NSMD?

Correct PCB pad design is crucial to effectively weld components to the circuit board. For bare pad  prototype pcb assembly , there are two common ...
Posted in PCB fabrication, pcba, smt

Assembly Types of PCBA

by Lily Zhang

Assembly Types of PCBA

Printed Circuit Board (PCB), is the integral part of all electronic devices. This PCB has electronics components soldered upon it. These electronic...
Posted in PCB, PCB fabrication, pcba, smt

Why should the PCBA brush 3-resisting lacquer

by Lily Zhang

Why should the PCBA brush 3-resisting lacquer

Electronic circuit board components PCBA (Printed Circuit Board Assembly) as the core of the electronic components, should have good resistanc...
Posted in PCB, pcba

3 PCB Soldering Tips During SMD Solder Process

by Lily Zhang

3 PCB Soldering Tips During SMD Solder Process

What is PCB Soldering ? PCB soldering is used for both through-hole printed circuit assemblies, and surface mount. In the latter case, the electron...
Posted in pcba, smt, soldering

Avoiding the 7 Most Common PCB Assembly Defects

by Lily Zhang

Avoiding the 7 Most Common PCB Assembly Defects

Why Do Circuit Boards Fail PCB Assembly? For prototyping, low-volume, and high-volume production, PCB assembly is an important stage of manufacturi...
Posted in MCPCB, PCB, PCB design, PCB fabrication, pcba, smt, soldering

Guidelines to via holes treatment method in PCB design

by Lily Zhang

Guidelines to via holes treatment method in PCB design

When you finish your PCB layout design and then you can send it to PCB manufacturers who provide custom circuit board service to have your PCB boar...
Posted in HDI PCB, High-frequency PCBs, PCB, PCB design, PCB fabrication, pcba