When people think of printed circuit board trace repair, they usually visualize welding tools, sawing machines, hammers and nails. However, the tools that are used may be quite different from what you have in mind. Becoming familiar with various PCB repairs is a valuable skill that can help to develop ongoing interest in basic and complex electronic projects.

PCB impedance calculation refers to the calculation of the approximate impedance dimension of a PCB board.

When a pcba manufacturer board is soldered, there will be pores, which are commonly called bubbles. Porosity usually occurs during reflow soldering and wave soldering. A large number of pores cause damage to the PCB board. Here are several methods to prevent pores from PCBA processing and soldering

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