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The reason why PCB can be used more and more widely is because it has many unique advantages

Rigid-flex board is a combination of flexible board and hard board. It is a circuit board formed by combining a thin layered flexible bottom layer with a rigid bottom layer, and then laminating it into a single component.The flexible board is used to replace the cable assembly to complete the highly reliable connection and transmission of power and electrical signals.The product can work stably and reliably for a long time under harsh environments such as high and low temperature, high humidity, vibration, salt spray, and low air pressure. At present, Jonhon Optronic has provided rigid and flexible printed board solutions for aviation, aerospace, ships, weapons and other fields.

IC refers to integrated circuits, which are made on semiconductors because semiconductors are the most suitable materials for realizing transistors, and transistors are the core devices of most circuits now. However, I want to write more here, tracing back to the origin, starting from the beginning of "circuit"

In the 1980s, China began to enter the semiconductor industry. In the early days, semiconductor technology mainly relied on imports, while China mainly engaged in simple assembly and testing work. At that time, major enterprises such as Shanghai Hongli and East China Semiconductor had a significant gap between their product technology level and the international advanced level, but it laid the foundation for the Chinese semiconductor industry

When designing a circuit, factors such as thermal stress are very important, and engineers should eliminate thermal stress as much as possible. Over time, PCB manufacturing processes have continued to evolve, and various PCB technologies have been invented, such as aluminum PCBs, which can handle thermal stress. It is in the interests of heavy copper PCB designers to minimize the power budget while maintaining the circuit. Performance and environmentally friendly design with heat dissipation performance.

The environment in an industrial workshop is different from that of ordinary places, especially in production and processing workshops. Summer temperatures are already high, and combined with the heat dissipation from the machines, temperatures in the workshop often reach over 60°C, and in some cases even reach 80°C. The HDI PCB in industrial control equipment are the "brains" of the equipment. If they are not heat-resistant enough, problems can easily arise. These include circuit aging, component loss, and even direct short circuits. If the equipment stops, the entire production line will be affected.