Through hole PCB supplier-Shenzhen Chengchi Circuit Technology Co., Ltd.

TWS Earphone PCB Antenna Design

TWS (True Wireless Stereo) earphone PCB antenna design is a core part of wireless communication performance optimization, which needs to balance miniaturization, signal stability, and wearable scenario adaptability. Limited by the ultra-compact internal space of TWS earphones, PCB built-in antennas

Jun 18, 2026 533

Detail

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

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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

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Prevention Methods for Thermal Cycling Bending Failure of Thin PCBs

Thin PCBs (typically with a thickness below 0.8mm) are prone to bending failure during thermal cycling tests due to their low structural rigidity and inconsistent thermal expansion coefficients of layered materials, and this failure can be effectively prevented through material optimization, structu

Jun 12, 2026 177

Detail

Rigid-Flex PCB Boards

Rigid-flex PCB boards are innovative composite circuit substrates that integrate rigid PCB sections and flexible FPC sections into a single unified structure, solving the structural and connection limitations of traditional single-type circuit boards. This integrated design combines the high rigidit

Jun 11, 2026 401