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01:09
How Signals Jump Between PCB Layers: Vias Explained
How do signals navigate the complex, vertical maze of a multilayer PCB? The answer lies in vias—the essential bridges between layers. From the cost-effective through-hole via to the high-precision microvias used in HDI designs, each type carries unique trade-offs in signal integrity, routing density, and manufacturing cost. In this guide, we break down the mechanics of blind, buried, and laser-drilled vias to help you optimize your high-speed projects. Learn how to choose the right interconnection to boost reliability without overstretching your production budget.
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00:47
PCB Surface Finish Explained in 60s
This video explains the most common PCB surface finishes and their applications in modern PCB manufacturing. It compares HASL, ENIG, OSP, immersion silver, and immersion tin, highlighting differences in cost, solderability, flatness, oxidation resistance, and suitability for fine-pitch components. The content helps engineers choose the right surface finish based on assembly requirements, component density, environmental conditions, and product reliability before moving into PCB prototyping or assembly.
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00:46
PCB Copper Weight: Why Layout Isn’t the Real Issue
Why do two seemingly identical PCBs perform so differently under stress? The answer lies beneath the surface: copper weight. This critical specification dictates your board’s current-carrying capacity, thermal management, and overall reliability. In this guide, we break down how to select the ideal copper thickness to prevent overheating and voltage drops without blowing your manufacturing budget. Whether you’re designing for automotive electronics or high-power industrial systems, learn how to optimize your copper weight for peak performance.
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00:51
PCB Mounting Holes Explained: Video Guide for Engineers
This video explains the role and design considerations of mounting holes in PCB layouts. It covers the differences between plated through holes and non-plated holes, and how each type affects mechanical stability, thermal performance, and electromagnetic compatibility.
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