The DIP plug-in process is a part of the PCBA process after the SMT patch process. The DIP plug-in process can be roughly divided into plug-in, wave soldering, foot cutting, inspection, testing and other processes.
LED switching power supply PCB board design seven stepsIn the design of switching power supply, if the PCB board is not properly designed, it will radiate too much electromagnetic interference. The PCB board design with stable power supply is now summariz
For a long time in the industry, the Tg value has been the most common index used to classify FR-4 substrates. It is generally believed that the higher the Tg value, the higher the reliability of the material.For example, in the picture below, the descrip
The exchange of PCB design/manufacturing data is the key to the information integration of electronic design and manufacturing. Therefore, it is urgent to establish a new format standard of PCB data exchange.
Therefore, copper can be used as the base of electrodeposition of many metals, and copper plating plays an important role in the production process of printed board.
it can not be continuously found that the boot phenomenon, after maintenance, the cause of the fault has a certain common, basically is the bottom of the power board between the solder joint sticky dirt, resulting in circuit leakage caused by fault.
The outermost wire or device of the PCB circuit board should be no less than 2mm away from the edge of the circuit board, which is conducive to the fixing of the PCB board and prevent the change of impedance value.
Because the soft and hard combined board is the combination of FPC and PCB, the production of soft and hard combined board should be equipped with both FPC production equipment and PCB production equipment.
The setting and connection of input and output circuits are very important for the whole printed FPC circuit board, and whether it is reasonable or not will directly affect the size of electromagnetic interference.
Although baking is the best way to improve the burst board, baking not only wastes time, but also wastes equipment and manpower, and the Tg value will decrease after baking PCB is also a problem.
In the past decade of research on PCB copying board and chip decryption, Hongyunlai reverse R&D engineers have accumulated rich experience in board copying and decryption, and have maintained long-term friendly cooperative relations with many domestic...
PCBS with multiple layers are often used in high-speed, high-performance systems, where the multiple layers are used for direct current (DC) power supplies or ground reference planes.
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