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

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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Factors Affecting the Glass Transition Temperature (Tg) of PCB Substrates

Factors Affecting the Glass Transition Temperature (Tg) of PCB SubstratesThe Glass Transition Temperature (Tg) of Printed Circuit Board (PCB) substrates is a critical metric indicating the temperature at which the material transitions from a rigid glassy state to a rubbery, high-elastic state. The T

May 27, 2026 71

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Service Life and Anti-Oxidation Duration of Corrosion-Resistant Coated PCB

Corrosion-resistant coated printed circuit boards are widely adopted in harsh industrial, marine, outdoor and chemical exposure environments, and their anti-oxidation service life is mainly determined by coating material type, coating thickness, surface treatment process, operating ambient condition

May 27, 2026 286

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Is Your IoT 4-Layer PCB Failing EMC Certification Repeatedly?

Achieving First-Pass EMC Compliance: It’s Not About Shields, It’s About Ground PlanesThe key to one-pass EMC compliance for IoT 4-layer boards is not adding metal shields, but ensuring solid ground planes + digital/analog partitioning + local filtering. Blindly adding shields increases costs by 20%

May 26, 2026 526

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Connection Technology Between Flexible Circuits of Rigid-Flex PCB and Rigid Modules

The connection process between flexible circuit parts and rigid functional modules of rigid-flex printed circuit boards is a core manufacturing technology that determines product stability, structural durability and electrical transmission performance in high-density electronic assembly. This integr

May 26, 2026 208

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PCB Design Innovation Technologies

The rapid evolution of electronic devices, from compact consumer electronics to high-performance industrial equipment and aerospace systems, has driven continuous innovation in PCB (Printed Circuit Board) design technologies. Traditional PCB design, which focuses on basic connectivity and mechanical

May 25, 2026 172

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