• March 24. 2025

Why Does the Color of Immersion Gold on PCBs Vary? An In-Depth Analysis of ENIG Process and Its Influencing Factors In modern electronics manufacturing, the surface finish of printed circuit boards (PCBs) plays a critical role in determining the performance and reliability of the final product. Electroless Nickel Immersion Gold (ENIG), a widely used surface finish, is favored for its excellent sol...

• April 16. 2025

Can You Handle High-frequency (RF/microwave) PCBs? Materials? Introduction High-frequency PCBs, particularly those used in RF (Radio Frequency) and microwave applications, require specialized materials and manufacturing expertise. Unlike standard FR-4 PCBs, these boards must maintain signal integrity, minimize dielectric losses, and withstand extreme thermal conditions. A common question we encoun...

• May 21. 2025

Why Dk/Df Values Matter: Dielectric Properties' Impact on Signal Integrity in High-Frequency PCBs Introduction In the world of high-frequency printed circuit boards(PCBs), signal integrity is paramount. As data rates increase and wireless technologies evolve, the dielectric properties of PCB materials play a critical role in ensuring reliable performance. Two key parameters—dielectric constant (Dk...