The component is fixed on the PCB by soldering through the lead hole on the PCB, then the lead hole and the surrounding copper foil are called pads. It is essential to have a rich knowledge reserve of pads for an excellent PCB engineer. Many people can draw pads according to the component manual, but it is not easy to draw good pads. AiXun shares some tips below, hoping to help you learn more pad basic knowledge.

Pad shedding, also call pad peeling off, refers to the phenomenon that the pad is separated from the PCB. This is a common adverse phenomenon in the PCBA processing , especially in the subsequent maintenance process. The pad refers to the conductive pattern that provides electrical connection on the PCB. As a necessary medium for the soldering and assembly of electronic components and PCB circuit boards, the importance of the pad is self-evident. Once the pad peels off, it will lead to PCBA products cannot be used normally.

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Digital microscope, also known as video microscope. It is a high-tech product successfully developed by perfectly combining sophisticated optical microscope technology, advanced photoelectric conversion technology, and liquid crystal screen technology. Therefore, we can change the research on the microscopic field from the traditional ordinary binocular observation to the reproduction on the display, thereby improving the work efficiency.

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Desoldering station is a hand tool commonly used in electronic soldering processes. Solder (often referred to as tin wire) is heated and melted, allowing the two workpieces to be welded together. At the same time, it can also use preheated sol and infrared heating to realize the disassembly of electronic components.

After buying a soldering iron tip, many buyers will find such a problem. Compared with the previous one, the soldering iron tip purchased this time is not very easy to use. The common problem is that the new soldering iron tip is not tinned, so they feel that there is a problem with the product, or the dealer has replaced a bad one.

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