Explore the latest trends, technologies, and best practices in PCB design, manufacturing, and the electronics industry
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FR4 is the most commonly used PCB substrate material because it offers a good balance of electrical performance, mechanical strength, thermal stability, and manufacturing cost. This article explains what FR4…
Senior PCB Professional
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Multilayer PCBs are widely used in modern electronics to support high-density routing, controlled impedance, and stable power distribution. This article explains multilayer PCB stackups, design considerations, and how layer count…
Senior PCB Professional
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A PCB board (printed circuit board) is the foundation of nearly all electronic products, providing electrical connections and mechanical support for components. This article explains how PCB boards work, common…
Senior PCB Professional
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A successful high-speed PCB design depends on much more than routing traces. Stackup planning, impedance control, return paths, power distribution, and design reviews all influence the final performance. This checklist…
Senior PCB Professional
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Design for Testability (DFT) helps ensure that a PCB can be tested efficiently and reliably during manufacturing. Good DFT practices reduce debugging time, improve testing coverage, and lower production cost.…
Senior PCB Professional
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PCB reliability testing helps verify long-term performance under harsh operating conditions. Methods such as thermal cycling, burn-in, and vibration testing are widely used in automotive, industrial, aerospace, and medical electronics.…
Senior PCB Professional
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Functional testing (FCT) verifies whether a PCB assembly actually performs its intended function. Unlike ICT or flying probe testing, FCT simulates real operating conditions to identify hidden defects and improve…
Senior PCB Professional
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ICT and flying probe are two common PCB electrical testing methods used during PCB assembly. While both verify shorts, opens, and component values, they differ significantly in cost, speed, and…
Senior PCB Professional
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PCB X-ray inspection is widely used to detect hidden solder joint defects that cannot be seen with optical inspection. It is especially important for BGA, QFN, and high-density PCB assemblies.…
Senior PCB Professional
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Automated Optical Inspection (AOI) is one of the most widely used quality control methods in PCB assembly. It helps detect soldering and component placement defects early in production. This article…
Senior PCB Professional
Han Sphere Blog shares the latest trends, technologies, and best practices in PCB design, manufacturing, and the electronics industry. Our expert team regularly shares their knowledge and experience.
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