The Developing of Rigid-flex PCB
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Rigid-flex pcb is a kind of pcb that is composed of several rigid areas and several flexible areas. Rigid-flex pcb contains both the durability of rigid PCB and the adaptability of flexible PCB. Because of its strong resistance to the application environment, rigid-flex pcb is popular with the manufacturers of medical and military equipments.
The material of rigid-flex pcb differs from both the common rigid pcb and flexible pcb. Rigid pcb is made of FR4 and flexible pcb is made of PI or PET. In order to comply with the joint between the soft board and hard board rigid-flex pcb is made of epoxy or resin. Compared to the rigid pcb, there are a lot of advantages with rigid-flex pcb, such as adjusting of shape, resistant to high temperature, folding without affecting the signal transmission, protecting from the static interference, chemical stability, Cost reduction and so on.
The rigid-flex pcb is widely used in different fields, such as mobile phones, consumer electronics and automotive. As usual, the rigid-flex PCB in the phone appears in the hinge of the folding mobile phone, camera module, keypad, RF module and so on. For the phone, to replace the original combination of two linker and flexible pcb with rigid-flex PCB, the most important advantage is that it can enforce the durability at the active point of the folding mobile phone and the reliability of long-term use. Rigid-flex pcb become more and more important because of the high stability. With regard to the consumer electronics, the application of rigid-flex PCB is typical in DSC and DV. On one hand, different rigid pcbs and components can be connected by the rigid-flex PCB in three-dimensional way to improve the utilization of the pcb and relatively enhance the circuit capacity. On the other hand, the device becomes much lighter and smaller with rigid-flex PCB. In the car, rigid-flex PCB is used in reversing radar imaging systems, sensors, vehicle communication system, and satellite navigation and so on.
Around the world, the industrial districts of rigid-flex pcb is mainly concentrated in Europe, America and Japan, and the major production is from minor manufacturers. The rigid-flex pcb is mainly used in military and medical products in Europe and North America. In Japan, it is mainly used in DSC, DV or mobile phone. In Asia, rigid-flex pcb is used to replace the combination of hard board - soft board - connector design. In China, the application of rigid-flex pcb will be gradually shifted to portable electronics and advanced medical and military equipments, too. As a result, the production of rigid-flex pcb is expected to surpass the other types of pcbs in the next few years. Gold Phoenix will improve the ability of researching and developing to offer much more rigid-flex pcb with high quality in the future. Our website is www.goldphoenixpcb.com.