High frequency PCB Manufacturer-Shenzhen Chengchi Circuit Technology Co., Ltd.

Process Difficulties of Mobile Phone Motherboard HDI Boards

HDI (High Density Interconnect) boards are the core carrier of modern smartphone motherboards, adapting to the trend of thin, light, and high-integration mobile terminals. The biggest technical challenge of HDI board manufacturing lies in micro-hole processing and ultra-fine line production, which a

Jun 17, 2026 342

Detail

Robot PCB Energy Management System Design

The energy management system (EMS) is the core functional module of robot PCB design, responsible for stable power distribution, dynamic energy regulation, and power consumption optimization of the entire robot system. Unlike traditional consumer electronic PCBs, robot EMS PCB design needs t

Jun 16, 2026 381

Detail

Six-Layer PCB Stack-up DFM Guidelines: How to Mitigate Lamination Warpage

Traces serve as the core medium for electrical connections on a PCB. A six-layer board comprises surface layers and two inner signal layers. Due to the constraints of multilayer stacking and limited etching space within inner layers, the DFM (Design for Manufacturability) specifications for traces a

Jun 16, 2026 482

Detail

Challenges in Impedance Control for 4-Layer PCBs & Multilayer PCB Solutions

In high-speed circuits, RF modules, and products integrating power and signal lines, 4-layer PCBs have become the mainstream choice for industrial controls, communication equipment, and smart home hardware. This is due to their balanced routing space, electromagnetic shielding capabilities, and cost

Jun 15, 2026 274

Detail

The Challenges of Impedance Control in 4-Layer PCBs and Mitigation Strategies for Multilayer Designs

In high-speed circuits, RF modules, and products integrating power and signal lines, 4-layer PCBs have become the mainstream choice for industrial control, communication equipment, and smart home hardware. They offer a balanced combination of routing space, electromagnetic shielding capability, and

Jun 13, 2026 380

Detail

High-Frequency Multilayer PCB Low-Loss Dielectric Materials

High-frequency multilayer PCBs demand low-loss dielectric materials to ensure signal integrity at microwave and millimeter-wave frequencies, typically defined as materials with a dielectric constant (Dk) below 7 and a dissipation factor (Df) under 0.005. These materials minimize signal attenuation,

Jun 13, 2026 307