fr4 PCB board

What are the Main Factors of How to Avoid PCB Soldering Defects?

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How to Avoid PCB Soldering Defects? 1. The solderability of the pcb circuit board holes affects the soldering quality The poor solderability of the circuit board holes will cause virtual welding defects, affecting the parameters of the components in the circuit, resulting in unstable conduction of the components and inner layers of the multi-layer board, …

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What are the Specifications and Requirements for PCB Screen Printing?

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The PCB screen printing layer of the circuit board is the text layer. Its function is to facilitate the installation and maintenance of the circuit and print the required logo patterns and text codes on the upper and lower surfaces of the high-density PCB, such as component labels and nominal values, component shapes and manufacturer …

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The Holes Design for the High-speed PCB Assembly Manufacturing

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We know that in high-speed PCB assembly manufacturing, seemingly simple holes often bring great negative effects to circuit board design. Therefore, in the design, we should try our best to do the following: 1. Considering both cost and signal quality, choose a reasonable hole size. For example, for the 6-10 layer memory module PCB design, …

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