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

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Shenzhen Chengchi Circuit Technology Co., Ltd.

Shenzhen Chengchi Circuit Technology Co., Ltd.

Shenzhen Chengchi Circuit Technology Co., Ltd.

Shenzhen Chengchi Circuit Technology Co., Ltd.

Shenzhen Chengchi Circuit Technology Co., Ltd.

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Dec 03, 2025 1

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

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Lead-Free Solder Empowers Flexible PCB Assembly with Balanced Process Performance

Flexible PCBs (FPC), characterized by their lightness, thinness, bendability, deformation resistance, and high spatial adaptability, are now widely used in wearables, smart terminals, automotive electronics, medical instruments, and industrial flexible sensor modules. With tightening global environm

May 30, 2026 48

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Out-of-Control Costs in 4-Layer PCB Rush Production? Material Selection & Scheduling Logic

There are two prevailing extreme mindsets in the industry: one insists that rush orders require expensive materials to guarantee quality, while the other prioritizes cheap materials to cut costs when rushing production. In reality, cost control for 4-layer rush production hinges on demand-based tier

May 29, 2026 45

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Why Do Some People Call PCBA PCA

The terms PCBA and PCA are often used interchangeably in the electronics manufacturing industry, leading to confusion for those new to the field. To understand why this happens, it is essential to first clarify the full definitions of both acronyms and the context in which they are used. PCBA stands

May 29, 2026 421

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Suitable Scenarios for Rogers PCB Materials

Rogers materials are high-frequency laminates renowned for low dielectric constant (Dk), ultra-low dissipation factor (Df), and excellent thermal/mechanical stability, making them the gold standard for high-frequency, high-speed, and millimeter-wave applications where standard FR-4 fails. Unlike FR-

May 28, 2026 41

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Core Principles and Full-Scenario Design of PCB Shielding Technology

If decoupling technology suppresses noise from "within the power supply," shielding technology blocks noise propagation from the "external environment." The two complement each other, forming the twin pillars of PCB noise reduction. In high-speed, RF (Radio Frequency), and high-EMI-sensitive scenari

May 28, 2026 351

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