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Multilayer circuit boards are usually defined as 10-20 or more advanced multilayer circuit boards, which are more difficult to process than traditional multilayer circuit boards and require high quality and reliability. Mainly used in communication equipment, high-end servers, medical electronics, aviation, industrial control, military and other fields. In recent years, the market demand of high-rise […]

An integrated circuit board is a carrier for carrying integrated circuits. But it is often said that the integrated circuit board should also be brought with it. The integrated circuit board is mainly composed of silica gel, so it is generally green. Integrated circuit board (IC) adopts semiconductor manufacturing technology. Many transistors, resistors, capacitors and […]

During the use of the circuit board of medical equipment, a large current will be generated in a short time. If a large current is generated for a long time, a large amount of heat will be generated in the main line board and circuit of the equipment. Then it must be protected by a […]

Nowadays, the factors considered in pcb design are more and more complicated, such as clock, crosstalk, impedance, inspection, manufacturing and processing technology, which often urges the design staff to repeatedly carry out a lot of reasonable layout, certification, maintenance and other work. On-line editor of main parameter bundle can compile this main parameter into formula […]

In recent years, low-cost PCB proofing has been a hot topic for discussion. So there are different opinions about not having to reduce the price to attract customers. From the superficial point of view, low-priced PCB proofing may not do much harm to enterprises, or even attract a large number of customers, with the help […]

First, look at the proofing requirements. Can PCBA processing manufacturers really meet: 1. Have a look at the products manufactured by PCBA manufacturers, whether they are high-grade, middle-grade or low-end, which industry they manufacture, and whether their own PCBA proofing requirements can be met by the manufacturers. Some precision processing PCBA processing, general proofing enterprises […]

I. Part of the output power control loop of the power board The key part of the output power board is the output power control circuit. In the case of layout, you should first know the characteristics of the power circuit of the part of the output power. The key parts of the output power […]

Pcb multilayer board is a kind of unique printed board, and its existence “address” is generally unique. For example, there will be pcb multilayer board in the circuit board. This kind of multilayer board can help the equipment to switch on and off various routes. It is worth mentioning that it can also have the […]

The thermal conductivity of led substrate is related to the insulation layer (usually PP, thermal grease, etc.) inside the aluminum substrate, and it is one of the three criteria to measure the quality of aluminum substrate (thermal resistance and withstand voltage are the other two properties). The thermal conductivity of aluminum substrates can be measured […]

Generally, the heat dissipation design of aluminum substrate LED is based on fluid dynamics software simulation and basic design. Resistance of fluid flow: due to the viscosity of fluid and the influence of solid boundary, the fluid is subjected to resistance in the flow process. This resistance is called flow resistance, which can be divided […]