• 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

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...

• May 21. 2025

Multilayer Stackup Design: Minimizing Crosstalk in High-Speed PCBs Introduction In high-speed PCB design, signal integrity is paramount. As data rates increase, crosstalk—unwanted electromagnetic coupling between traces—becomes a critical challenge. A well-optimized multilayer stackup is essential to minimize crosstalk while ensuring signal integrity, power delivery, and manufacturability. This ar...

• June 12. 2025

PTFE Materials Are Difficult to Process—How to Solve Lamination and Drilling Challenges? Introduction Polytetrafluoroethylene (PTFE), commonly known by the brand name Teflon (TFE), is a high-performance material widely used in printed circuit boards (PCBs) for high-frequency applications. Its low dielectric constant (Dk) and dissipation factor (Df) make it ideal for RF, microwave, and millimeter-w...

• July 14. 2025

What Makes RT/duroid 5880 the Ideal Choice for High-Frequency PCBs? Overview RT/duroid 5880 laminates are composite materials made by combining PTFE with randomly distributed glass fibers, celebrated for their exceptional performance characteristics. They are specially designed to meet the needs of applications requiring high-frequency operation and broadband functionality. With a low dielectric c...

• July 14. 2025

Why is RT/duroid 6035HTC the Ultimate Choice for High-Power RF Applications? Introduction Rogers RT/duroid 6035HTC high-frequency circuit materials are ceramic-reinforced polytetrafluoroethylene (PTFE) composites, engineered specifically for high-power radio frequency (RF) and microwave uses. These materials excel in high-power settings: their thermal conductivity surpasses that of standard RT/dur...