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High precision multilayer circuit boards are generally defined as high multilayer circuit boards with 10 to 20 layers or more, which are more difficult to proce...
1、 PrefaceAt present, during the operation cycle from copper deposition, electroplating of the whole board to pattern transfer in the production process of doub...
That is, on the premise that there are real electronic products and real circuit boards, reverse analysis of circuit boards is carried out by means of reverse r...
The double-sided circuit board is a medium layer in the middle, and both sides are wiring layers. Multilayer circuit board is a multi-layer wiring layer. Betwee...
Ordinary electronic products have been used for a long time, and the circuit board will be covered with dust. More dust or high air humidity will cause corrosio...
The working environment of circuit boards is different, and their materials are required to be different. Some need to work in a low temperature environment, an...
Contact discharge is a direct discharge to the device under test; Air discharge, also known as indirect discharge, is generated by coupling a strong magnetic fi...
With the rapid progress of modern science and technology, PCB is also changing, but in principle, it is estimated that the production process of PCB remains unc...
PCB board (printed circuit board) is divided into single-sided, double-layer and multi-layer. The number of layers of multilayer board is not limited. At presen...
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