Category Archives: Design


Mar27
Does PCB Solder Mask Misalignment Lead to BGA Soldering Defects?

post on March 27, 2025

Recently, our company started a new project, and the R&D team has been pushing PCB layout requirements to the extreme. As PCBs size get smaller, the solder mask (S/M) design must also shrink accordingly. However, our current PCB manufacturers struggle … Continue reading →

Design, PCB/FPC/PTF, Process, Quality, SMT, Soldering     WorkingBear    Views (507)     comment (0)
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Feb27
What Is Solder Mask (S/M)? What Is Its Purpose on a PCB? Why Is It Usually Green?

post on February 27, 2025

In discussions about printed circuit boards (PCBs), you’ll often hear the term Solder Mask (S/M). But what exactly is a solder mask, and what role does it play in a PCB? Some also refer to it as solder resist. What … Continue reading →

Design, PCB/FPC/PTF, SMT, Soldering     WorkingBear    Views (789)     comment (0)

Dec12
Exploring Double-Sided SMT Reflow Soldering and Key Aspects of Component Placement

post on December 12, 2023

In the realm of PCB assembly, the go-to technology in SMT (Surface Mount Technology) is what we call “Full Board Reflow Soldering.” While there are other methods for assembling PCBs, this “Full Board Reflow Soldering” can be divided into two … Continue reading →

Design, Process, SMT, Soldering     WorkingBear    Views (3,612)     comment (0)

Dec05
How Preventing Heavy Components from Falling during Secondary time SMT Reflow

post on December 5, 2023

With the rapid advancement of mobile communication technology, EMS (Electronic Manufacturing Services) providers worldwide are facing severe labor shortages. Furthermore, the Industry 4.0 trend has heightened the demand for automation in EMS facilities. As a result, many components that were … Continue reading →

Design, Manufacture, SMT, Soldering     WorkingBear    Views (2,866)     comment (0)
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Oct26
5 Key PCB Layout Considerations for Efficient Circuit Board Assembly and Soldering Production Processes

post on October 26, 2023

When designing a PCB layout, various questions inevitably arise. Is this PCB best suited for a single-layer, double-layer, or multi-layer configuration? How should you protect against ESD/EMI? Will the printed circuit board assembly (PCBA) use a single-sided or double-sided process? … Continue reading →

Design, Process, Soldering     WorkingBear    Views (2,352)     comment (0)