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

Multilayer PCB Power Integrity Design

Multilayer PCBs are widely used today in high-speed digital circuits, high-performance computing, communication base stations, automotive electronics, and aerospace applications. Power Integrity (PI) design is a core factor determining whether a multilayer PCB can operate stably and reliably. The es

Jun 06, 2026 138

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Manufacturing Process Flow for 4-Layer PCBs

As one of the most widely used multilayer boards in electronic products today, the manufacturing process of 4-layer PCBs is significantly more complex than that of single-sided or double-sided boards. However, compared to high-layer-count boards (6 layers and above), they offer excellent cost-perfor

Jun 05, 2026 381

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Are PCB Solder Mask Colors Limited to Green?

PCB solder mask ink is never limited to green, though green remains the dominant color in mainstream electronic manufacturing. The widespread use of green solder masks originated from mid-20th century industrial and military standardization. Early FR4 PCB substrates featured natural yellowish-brown

Jun 05, 2026 105

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Active and Passive Cooling Implementation Design for CEM-1 PCBs in Sealed Enclosures

Small appliances, sealed adapters, and embedded control modules commonly utilize fully enclosed plastic housings with no internal air convection. In such environments, the inherently poor thermal conductivity of CEM-1 substrates is exacerbated, leading to heat accumulation within the confined cavity

Jun 04, 2026 469

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High-Frequency Performance Requirements of PCB for Robot Sensor Networks

Robot sensor networks rely on high-frequency PCB systems to realize real-time collection, transmission and fusion of multi-dimensional sensing data, including visual, radar, ultrasonic and inertial sensing signals. Unlike conventional low-frequency PCBs, high-frequency PCBs for robot sensors need to

Jun 04, 2026 198