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PCB Blogs & Insights

Expert knowledge on PCB design, manufacturing, assembly and industry trends. Stay updated with the latest technical advancements.

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Rogers 4350B PCB

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Quantified effect of copper roughness Ra on 28GHz microstrip loss (measured data)

Measured data: ED copper (0.85 dB/cm) to HVLP (0.52 dB/cm) at 28GHz on RO4350B. Switching from ED to HVLP reduces loss by 39%. Includes test method, cost-performance trade‑off, and specification checklist.

2026-05-21

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Can 3D-Printed PCBs Compete with mSAP for Prototyping?

Learn how 3D-printed PCBs compare with mSAP in prototyping, including resolution, electrical performance, and validation capability.

2026-04-24

3D Printed PCB

mSAP Process

Prototype Validation

Engineering Validation

High-Speed PCB Design

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What Is the Next Bottleneck After 15 μm Line/Space on a PCB?

Learn the next bottlenecks after 15μm PCB scaling, including material limits, current density, and reliability challenges.

2026-04-24

System Engineering

Reliability Issues

Ultra-Fine Lines

mSAP Bottleneck

15μm Limit

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Is Your Engineering Team Trained for mSAP PCB Manufacturing?

Learn how mSAP PCB manufacturing requires new engineering skills in ultra-fine design, process control, and reliability.

2026-04-24

mSAP Engineering Capability

Ultra-Fine Design

Process Control

Reliability Engineering

Cross-Functional Integration

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