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1. What are the processing steps of SMT SMD Mark? 1. the handling method of Mark, whether Mark is needed or not, and the side of the template, etc. 2. Which side of the template the Mark graphic is placed on depends on the specific structure of the printing press (the position of the camera). […]

I. Electrical test In the production process of PCB, it is inevitable that electrical defects such as short circuit, open circuit and leakage will be caused by external factors. In addition, PCB continues to evolve towards high density, fine spacing and multi-level. If the defective boards are not screened out in time and allowed to […]

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 […]

The development of modern science and technology leads to the miniaturization of electronic components and the extensive application of SMT technology and equipment in electronic products. SMT manufacturing device has the characteristics of full automation, high precision and high speed. With the improvement of automation, higher requirements are put forward for PCB design. PCB design […]

China is the global electronic product manufacturing center and the global electronic product consumption market, which provides sufficient market depth for the domestic PCB industry. At the same time, domestic PCB enterprises still have obvious competitive advantages due to the advantages of complete PCB industry chain and sufficient labor resources.   What should aluminum substrate […]

If you are just beginning to study the design of IoT products, you need to improve in many aspects of PCB design. IoT devices integrate mobility, low power consumption, RF communication, mixed signal function and high-speed data transmission function into a small space. Keeping all these factors in mind will help you design correctly in […]

During the processing and production of PCBA patches in Changsha, due to some processing techniques and other reasons, some tin beads and slag often remain on the surface of PCBA. These tin beads and slag will cause some hidden dangers for the use of products, such as short circuit of circuit boards after loosening. Here, […]

VIA, the copper foil circuit between the conductive patterns in different layers of the circuit board is conducted or connected by this hole, but the copper-plated hole of the lead leg of the component or other reinforcing materials cannot be inserted. Printed Circuit Board (PCB) is formed by stacking many copper foil layers. Copper foils […]