Category Archives: SMT


Aug08
What difference between SMT (Surface Mount Technology) and SMD (Surface Mount Device)?

What are SMT and SMD? The difference between SMT and SMD is that SMD (Surface Mount Device) refers to an electronic component mounted on a PCB using SMT (Surface Mount Technology). What do we mean by “SMT (Surface Mount Technology)” … Continue reading

Jul27
The Myth of PCB Baking: Can Pre-Baking PCBs Improve Solderability?

WorkingBear has noticed that many engineers or managers involved in Surface Mount Technology (SMT) have a strong passion for “PCB baking,” but their understanding of the concept might not be very clear. If you browse through discussions on PCB and … Continue reading

Jul11
Preventing Solder Cracks in BGA Designs: Strengthening Tips from the Design End

Lately, many colleagues have been asking WorkingBear for advice on designing BGA (Ball Grid Array) packages to prevent solder joint cracking and improve overall durability. This sudden interest came after a senior manager raised concerns during a new product development … Continue reading

Jun29
Why Don’t devices Fall Off on First Side during SMT Second Reflow? Does the solder MP increase during the second reflow?

Why don’t the electronic components on the first side of the double-sided PCB fall off due to re-melting of the solder during the second time reflow process in the SMT oven? How much does the melting temperature of the lead-free … Continue reading

Jun20
Preventing BGA Solder Joint Cracking: Strengthening Design from the Source

BGA solder joint cracking has always been a nightmare for electronic assembly (industry) manufacturer, and there are many reasons that are beyond the control of assembly manufacturer, but the final result is often required to be borne by assembly manufacturer. … Continue reading