Material description of Multilayer PCB circuit board

Many practitioners in the multi-layer PCB circuit board industry know that there are many factors that affect the quality of PCB circuit board.
The relationship between layout and PCB board-switching power supply

As a power supply engineer, an electromagnetic compatibility engineer, or a PCB board layout engineer, you must understand the cause of the electromagnetic compatibility problem and take measures.
PCB Board Failure Analysis Technology Encyclopedia

As the carrier of various components and the hub of circuit signal transmission, PCB board has become an important and key part of electronic information products.