What is FPC cable?
Speaking of the FPC flex pcb board cable, you must know or be familiar with what the flexible board is? FPC can be divided into many types according to function, such as FPC antenna, FPC touch screen, FPC capacitive screen, etc. FPC cable is one of them. Popularly speaking, FPC cable is a cable group that can be bent to a certain extent .
The Functional Use Of FPC Cable
The function of the FPC cable is to connect two related parts or products. Now, many products use the cable, because it has a certain flexibility, FPC cable has been used in many products such as printers, mobile phones, notebooks, etc.
Composition And Parameters Of FPC Cable
The FPC cable is a kind of FPC, so its composition is the same as that of FPC. The FPC is generally elongated, and the two ends are designed as pluggable pins, which can be directly connected to the connector or welded to the product. The middle is generally a circuit, because FPC cables require a certain degree of flexibility. Therefore, the base material is generally rolled copper, which is resistant to twists and turns and flexible.
The minimum line width and distance are 3mil / 3mil;
The finished product of the smallest wire hole reaches 0.15mm.
FPC Cable Process
The surface treatment process used for FPC flexible board cable is generally immersion gold, and occasionally has anti-oxidation(OSP). However, the anti-oxidation process cannot withstand high temperature, and the environmental endurance is worse than that of immersion gold. The prices of the two are similar. Therefore, most of them use the immersion gold process. In addition, there are processes such as tin plating and tin spraying, but FPC temperature resistance is generally below 280 degrees Celsius, and when spraying tin there will be temperatures above 300 degrees Celsius, and the solder paste hardness is small, so it is rarely used.
Advantages And Disadvantages Of FPC Cable
The use of FPC flexible board can greatly reduce the volume and weight of electronic products, which is suitable for the development of electronic products in the direction of high density, miniaturization and high reliability. Therefore, FPC has been widely used in aerospace, military, mobile communications, laptop computers, computer peripherals, PDAs, digital cameras and other fields or products. In addition, it can also be arranged arbitrarily according to the space layout requirements, and can be arbitrarily moved and stretched in three-dimensional space, so as to achieve the integration of component assembly and wire connection.
In the process of producing products, cost should be the most considered issue. Because the soft fpc is designed and manufactured for special applications, the initial circuit design, wiring, and photographic master plates require higher costs. Unless there is a special need to apply soft fpc, it is usually best not to use it in small applications. In addition, since a lot of energy has been put into doing it, later maintenance is naturally essential, so soldering and rework requires trained personnel.
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