electrical insulation

Essential Knowledge Points of Circuit Board Materials You Must Pay Attention To

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Essential Knowledge Points of Circuit Board Materials You Must Pay Attention To

Circuit board materials are mainly divided into FPC flexible boards, FR-4, aluminum substrates, copper substrates (further divided into standard copper substrates and thermoelectric separation copper substrates), and ceramic substrates. This article aims to analyze the design considerations of each type of board material from the perspective of power design, summarized into the following three points: … Read more

Crossarm Shield: Ensuring Safety in Live Power Work

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Crossarm Shield: Ensuring Safety in Live Power Work

I. Materials and Performance The crossarm shield is made of rubber, a material that provides three key advantages, directly ensuring operational safety and tool durability: Wear-Resistant and Durable It can withstand complex outdoor working environments (such as wind and friction), resist wear and tear over time, and extend tool life. Strong Aging Resistance It effectively … Read more

Understanding Beryllium Oxide (BeO) Ceramic PCBs

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Understanding Beryllium Oxide (BeO) Ceramic PCBs

△Advertisement Not related to the content With the continuous emergence of cutting-edge technologies, the demand for excellent signal transmission performance in circuit boards is increasing, especially in high-frequency environments where sensitivity to electromagnetic interference is a critical issue. To effectively address this challenge, the focus has shifted to substrate materials, and ceramic PCBs have become … Read more

High-End Materials in Semiconductor Manufacturing: The Fighter Jet of Plastics

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High-End Materials in Semiconductor Manufacturing: The Fighter Jet of Plastics

Hello, everyone! Today, let’s talk about a special material: the fighter jet of plastics—Polyimide (PI). I won’t go into too much detail about the characteristics of Polyimide (PI); you can refer to previous materials: Why Polyimide (PI) is Widely Used in High-End Semiconductor Fields The Industrial Chain of Polyimide (PI) 1) Upstream Binary anhydride PMDA, … Read more

Why Many Power PCBs Have Slot Holes? It’s Not Just for Decoration, It’s for ‘Life Protection’!

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Why Many Power PCBs Have Slot Holes? It's Not Just for Decoration, It's for 'Life Protection'!

When disassembling power boards or designing power-related PCBs, we often encounter structures like this: Figure 1: Common slot hole structure on power PCBs Many people think these slot holes are just for aesthetics or mechanical structure needs. In fact, their true function is closely related to electrical safety, and the key lies in one concept—creepage … Read more

Common Reinforcement Material Selection for Touch Display Modules

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Common Reinforcement Material Selection for Touch Display Modules

Definition of FPC Reinforcement: FPC (Flexible Printed Circuit) reinforcement boards are rigid materials used to enhance the mechanical strength of specific areas of FPC.They mainly serve the following three purposes:Firstly, to prevent circuit breakage or solder joint detachment caused by bending or twisting;Secondly, to provide support for fragile areas such as connectors and solder joints;Thirdly, … Read more

Heat Shrink Tubing Kits for DIY Robotics and Automation Projects

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Heat Shrink Tubing Kits for DIY Robotics and Automation Projects

Heat Shrink Tubing Kits for DIY Robotics and Automation Projects The fun of robotics and automation work can quickly become dull due to loose connections. Frustrating? Absolutely frustrating. However, such issues are common in DIY robotics and automation projects. Fortunately, there is a simple solution—heat shrink tubing. Heat shrink tubing kits can make a significant … Read more