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Category Archives: PCB/FPC/PTF
Sep19
Does the Gold Thickness in ENIG PCBs Affect Component Detachment?
Does the Gold Thickness in ENIG PCBs Affect Component Detachment? Do you know how the thickness of the gold layer in ENIG surface-finished PCBs impacts soldering quality? What role does the gold layer play in PCBA soldering? How could the … Continue reading
Sep12
What Are Hard Gold, Soft Gold, Plated Gold, ENIG, and Flash Gold in PCBs?
In the electronics industry, “gold” is often used on the surface of products. But do you know what hard gold, soft gold, electroplated gold, ENIG (Electroless Nickel Immersion Gold), and flash gold are in printed circuit boards? What are the … Continue reading
Aug22
What is ENIG Surface Finished for Circuit Boards? What Are Its Advantages and Disadvantages?
ENIG (Electroless Nickel Immersion Gold), also known as immersion gold (Au), chemical Ni/Au, or soft gold, is a type of surface finished for printed circuit boards (PCBs). It is widely used in the assembly of mobile phone circuit boards and … Continue reading
Aug15
Causes of Poor Solderability on HASL Finished PCBs (Data Collection and Analysis)
Workingbear personally doesn’t recommend using HASL (Hot Air Solder Leveling) surface-finished PCBs in today’s SMT reflow processes, especially for double-sided reflow or fine-pitch components located on 2nd side. The defect rate of soldering with HASL is quite high and hard … Continue reading
Aug08
What Do PCB and PCBA Stand For? What’s the Difference?
What is the difference between PCB and PCBA? This should be an easy concept to understand, but since someone asked Workingbear, let’s explain it a bit. If you find any errors while passing by, please let us know to correct … Continue reading
