• 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...

• April 16. 2025

What Is Your Minimum Drill Hole Size? A Comprehensive Guide to PCB Drilling Capabilities When designing a printed circuit board (PCB), one critical specification engineers must consider is the minimum drill hole size. This parameter determines the feasibility of vias, through-holes, and microvias, directly impacting the board’s functionality, density, and cost. In this article, we’ll explore: - St...

• May 21. 2025

How to Choose the Right PCB Substrate for High-Frequency Applications? (Rogers vs. FR4 Comparison) Introduction In today's rapidly advancing electronics industry, selecting the right printed circuit board (PCB) substrate material has become increasingly critical—especially for high-frequency applications. Whether you're designing cellular base stations, automotive radar systems, or satellite commu...

• 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...

• July 04. 2025

Looking for Reliable PTFE PCBs? What makes F4BM PCB Stand Out? Brief introduction Wangling F4BM high frequency materials are PTFE glass fiber cloth copper clad laminates that combine glass fiber cloth,PTFE resin, andPTFE film through a meticulous manufacturing process. These F4BM series laminates offer improved electrical performance compared to F4B due to their wider range of dielectric...