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

PCB 4D Imaging Upgrade for Vehicle Millimeter-Wave Radar

The rapid iteration of autonomous driving technology has driven the comprehensive upgrade of vehicle millimeter-wave radar from traditional 2D detection to high-precision 4D imaging perception, putting forward unprecedented technical requirements for supporting PCB design, materials and manufacturin

Jun 03, 2026 132

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Core Logic and Engineering Baseline of PCB Via Pitch

In multilayer PCB design, vias are the central hubs for interlayer signal and power interconnects. While Via Pitch may seem like a basic process parameter, it directly dictates PCB mass production yield, signal integrity (SI), and EMC compliance. Numerous engineering cases show that over 70% of high

Jun 03, 2026 153

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Multi-layer High-density Interconnection Design for Robot Motor Drive PCB

Robot motor drive systems require PCB boards with excellent power carrying capacity, anti-interference performance and structural integration, making multi-layer high-density interconnection the core design requirement. Modern industrial robots and mobile service robots are equipped with multiple jo

Jun 02, 2026 200

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PCB Flying Probe Test vs. Fixture Test: Selection Comparison and Application Guide

In the final stage of PCB manufacturing, Electrical Test serves as the critical checkpoint for intercepting defective products and ensuring delivery quality. The industry primarily relies on two methods: the Flying Probe Test and the Fixture Test (also known as the Bed-of-Nails Test). Many procureme

Jun 02, 2026 485

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Ensuring Signal Integrity in 4-Layer PCB Return Path Design

In the field of modern high-speed digital circuit design, 4-layer PCBs are widely used in communication equipment, industrial control, consumer electronics, and various embedded systems due to their balance between cost and performance. However, with the continuous increase in signal frequencies, ev

Jun 01, 2026 405

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Which to Choose Between PCB Surface Finishes HASL and ENIG

When selecting a surface finish for printed circuit boards (PCBs), Hot Air Solder Leveling (HASL) and Electroless Nickel Immersion Gold (ENIG) are two of the most widely used options, each with distinct advantages, limitations, and ideal application scenarios. The choice between them depends on fact

May 30, 2026 257