Category Archives: Soldering


Dec19
What is IMC (Intermetallic Compound) in the electronic manufacturing industry?

What is the IMC, the Intermetallic Compound? We always heard the manufacturing engineer or some of Mechanical Engineer and EE talking about this keyword when discussing soldering quality or electronic component drop issue. So, what is the role of IMC … Continue reading

Dec05
Both solder joint bridging and open solder joint happen at same BGA?

Is that possible for both solder joint bridging and open solder joint defect occur in the same BGA (Ball Grid Array) or CSP (Chip Scale Package) device? It is rare to observe both solder joint bridging and open solder joint … Continue reading

Nov14
How to print solder paste on PC Board and screen printing notices?

Printing the solder paste on the PCB (Printed Circuit Board) and go through reflow oven to re-melt the solder paste and solder the electronic components on PCB is most common process in today’s electronics manufacturing industry. Printing the solder paste … Continue reading

Jun19
Increase solder paste volume will improve the MLCC capacitor broken?

Recently WorkingBear got complaint from R&D and ask increase the solder paste volume on the MLCC (Multi-Layer Ceramic Capacitor)  component pads to improve the capacitor broken issue. R&D said he had verified that the capacitor’s footprint in the board design … Continue reading

Apr07
Solution to Prevent Component Drops During Second Time Reflow Soldering

Due to the rapid growth of mobile phone technology, the Electronic Manufacturing Service (EMS) in mainland China sometimes faces serious labor shortages. Additionally, Industry 4.0 promotes the need for factory automation in EMS. As a result, certain parts that cannot … Continue reading