Advantages of flexible circuit boards
Flexible circuit board is a kind of pcb circuit board, also known as soft board and flexible printed circuit board. It is mainly a printed circuit board with high reliability and high flexibility made of flexible substrates. It has a thickness Thin, flexible, high wiring density, light weight, high flexibility and other characteristics, mainly used in mobile phones, computers, digital cameras, household appliances, communications, new energy vehicles and aerospace and other products.
Advantages of flexible circuit boards
1. Flexibility, it can be bent and folded freely, and it will not be damaged after tens of thousands of twists and turns. It can be arranged arbitrarily according to the spatial layout, stretched and moved arbitrarily in three-dimensional space, and realizes the integration of component assembly and wiring, with high flexibility.
2. The flexible circuit board is thin and flat, which makes the structure and layout of the equipment more compact and reasonable, reduces the product volume, reduces the weight, and is easy to carry, which promotes the development of high density, high reliability and miniaturization of electronic products.
3. Strong safety, because the wires of the flexible circuit board are connected as a whole, and various parameters are highly consistent, which can reduce errors in wire assembly and connection, and reduce the occurrence of failures.
4. High assembly reliability, the flat wiring of the flexible circuit board can reduce switch interconnection, facilitate circuit design, reduce assembly work, improve the reliability of the entire system, and facilitate fault detection.
5. Design flexibility. Inductance, capacitance, characteristic impedance, etc. will affect the transmission of the product. The design of the flexible circuit board is controllable and has excellent electrical performance. It can be designed as a controllable high-power parameter with transmission line characteristics.
6. It has good heat dissipation, solderability and easy installation and connection. There are various base materials, and different base materials can be used according to different requirements.
Common flexible circuit boards can be divided into four types: single-sided boards, double-sided boards, multi-layer boards and rigid-flex boards. Single-sided boards are the lowest-cost and simplest flexible boards. Only one side has a conductive layer. They are generally used in consumer electronics products that do not require high electrical performance and can be wired on one side. There is an insulating layer in the middle of the double-sided board, and there is a layer of chemically etched conductive patterns on each side, and the patterned conductive paths on both sides are connected through metal holes to realize signal transmission. The multi-layer board is a multi-layer single-sided or double-sided flexible board laminated together, and after drilling and metallization, conduction paths between different layers.
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