Explore the latest trends, technologies, and best practices in PCB design, manufacturing, and the electronics industry
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PCB drilling creates the holes required for electrical connections and component assembly. This article explains the drilling process, different hole types, manufacturing considerations, and how drilling quality affects PCB reliability.
Senior PCB Professional
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PCB etching removes unwanted copper from a copper-clad laminate to create the conductive circuit pattern. This article explains how the process works, common etching methods, quality considerations, and its role…
Senior PCB Professional
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The coefficient of thermal expansion (CTE) describes how much a PCB material expands or contracts as temperature changes. Matching CTE to the application helps improve solder joint reliability, plated through-hole…
Senior PCB Professional
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Glass transition temperature (Tg) is one of the key specifications used to evaluate PCB materials. It indicates the temperature at which a laminate begins to change from a rigid state…
Senior PCB Professional
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Dielectric loss, also known as dissipation factor (Df), measures how much electrical energy is lost as signals travel through a PCB material. Understanding Df helps engineers select suitable laminates for…
Senior PCB Professional
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PCB dielectric constant (Dk) is one of the most important electrical properties of PCB materials. It affects signal speed, impedance control, and high-frequency performance. This article explains what Dk means,…
Senior PCB Professional
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Copper weight is one of the key specifications in PCB manufacturing. It influences current carrying capacity, trace dimensions, thermal performance, manufacturing complexity, and production cost. Choosing the appropriate copper weight…
Senior PCB Professional
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PCB prepreg is a partially cured fiberglass and resin material used to bond layers together during multilayer PCB lamination. This article explains prepreg construction, functions, types, thickness, and selection considerations.
Senior PCB Professional
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PCB substrate and PCB laminate are often used interchangeably, but they do not always mean exactly the same thing. This article explains how the two terms differ, where they overlap,…
Senior PCB Professional
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PCB material selection directly affects electrical performance, thermal management, reliability, and manufacturing cost. This article explains the most widely used PCB material types and helps engineers choose the right substrate…
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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