When designing PCB pads in PCB design, it is necessary to design them in strict accordance with relevant requirements and standards. Because the design of PCB pads is very important in SMT chip processing, which will directly affect the solderability, stability and heat transfer of components and the quality of chip processing, what is the […]
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1) in 1)PCB design, the small power supply is firstly paved with copper on the signal layer, and then connected by the current-carrying wiring; 2) PCB design 12V and 5V power supply, if it is the input power supply of switching power supply, should be disposed of in the signal layer (surface layer and inner […]
The lamination arrangement of PCB factory is the basis of PCB design of the whole system. If the laminate design is defective, it will eventually affect the EMC performance of the whole machine. Generally speaking, there are two main rules for laminated design: 1. Each wiring layer must have an adjacent reference layer (power supply […]
The circuit board dispensing machine is used for dispensing the circuit board, which is mainly used for waterproofing, dustproof and anticorrosion. Nowadays, many enterprises have put forward higher requirements for the usability and stability of electronic products, and dispensing processing of circuit boards has become an indispensable process. Long-term and effective protection of some sensitive […]
In the design of Printed Circuit Board, apart from the schematic design made by hardware engineers and the layout, layering and wiring design made by pcb engineers, the structural engineers should not only participate in the design at the beginning, but also plan and constrain the board size, shape, installation method, location and number of […]
The conformal coating of printed circuit board is used to enhance the performance and reliability of printed circuit board assembly, so that it can be applied in harsh environments such as underwater, aerospace and military applications. Manufacturers of electronic products are increasingly using conformal coatings as an economical method to improve product reliability. When the […]
What materials should be given to SMT small batch SMD processing factory by OEM? In SMT processing, especially OEM, if there is insufficient processing materials provided by customers to electronic processing factory, it will waste processing time, thus affecting the delivery time. What information do you need to provide to SMT small batch SMD processing […]
Pcb (printed circuit board) can be divided into single-sided, double-layered and multi-layered. There is no limit to the number of layers of multilayer boards. At present, there are more than 100 layers of PCB, commonly four-layer and six-layer boards. On the basis of Top Layer and Bottom Layer, the simple four-layer board adds power layer […]
Circuit board, also known as PCB, is an important electronic component, the support of electronic components, and the provider of electrical connection of electronic components. Circuit board proofing refers to the trial production of printed circuit boards before mass production. It is mainly applied to the process that electronic engineers conduct small batch trial production […]
It is estimated that the printed circuit board industry will not be eliminated in the last 50 years. After all, all electronic products need to be used, even if they are small. Every line has many things that outsiders don’t know, and there are many seemingly difficult but really simple technological processes. Today, I will […]










