What is a cable? What are the characteristics of a cable?

Flat cable is an important product in the electronic industry. So, what is the flat cable? In the following, I will analyze the problem of what the flat cable is through the introduction of the overview and characteristics of the flat cable. What is the flat cable? It is also called flexible printed circuit (FPC). It is used for data transmission in moving parts and moving areas according to the rules of cable arrangement, line sequence, line color, line number, etc. Of the industry specifications, such as the data lines connecting the computer's internal motherboard to the hard disk and CD-ROM, the data lines connecting the mobile phone motherboard to the display screen, and the data lines connecting the devices. What is flexible flat cable? It is called flexible flat cable or FFC, RFC for short. It is a new type of data cable which is made of PET or other insulating materials and extremely thin tinned flat copper wire through the production line of high-tech automation equipment. It has the advantages of flexibility, random bending and folding, thin thickness, small size, simple connection, easy disassembly, and easy to solve electromagnetic shielding (EMI). Flexible flat cable is mainly divided into two types: round head at both ends (referred to as R-FFC, used for direct welding) and flat at both ends (referred to as FFC, used for inserting into socket). It is suitable to be used as a data transmission cable between a moving part and a main board, between a board and a board, and in miniaturized electrical equipment. At present, it is used in the connection between the printing head of various printers and the main board, the signal transmission and board connection of plotters, scanners, photocopiers, stereos, LCD appliances, fax machines, various DVD players and other products. In modern electrical equipment, there is almost no place. Since the price cost of FFC cable is better than that of FPC (flexible printed circuit), its range will become larger and larger. In most places where FPC is used, it can basically be replaced by FFC.

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The flat cable is small in size and light in weight, and the flat cable board is designed to replace the wire harness with large volume. On current cutting-edge electronic device mounting boards, flat cables are often the solution to meet miniaturization and mobility requirements. Flex-wiring (sometimes called flexible printed wiring) is the etching of copper circuits or the printing of polymer thick-film circuits on a polymer substrate. For devices that are thin, lightweight, compact, and complex, design solutions range from single-sided conductive traces to complex, multi-layer, three-dimensional assemblies. The total weight and volume of the flat cable are reduced by 70% compared with the traditional round wire harness method. Additional mechanical stability can also be achieved by increasing the strength of the flex cable through the use of reinforcing materials or backing plates. The ribbon can be moved, bent, and twisted without damaging the conductors, and can conform to different shapes and special package sizes. Its only limitation is the volume space problem. Because it can withstand millions of dynamic flexes, the ribbon cable is well suited for use in interconnected systems with continuous motion or periodic motion as part of the product's function. Solder joints on rigid PCB will fail after hundreds of cycles due to thermal mechanical stress. The flat cable has excellent electrical properties, dielectric properties and heat resistance. The flat cable has higher assembly reliability and quality. The ribbon reduces the hardware required for interconnection, such as solder joints, trunk lines, backplane lines and cables commonly used in traditional electronic packages, so that the ribbon can provide higher assembly reliability and quality. Because the traditional interconnection hardware composed of complex multiple systems is prone to high component dislocation rate during assembly.

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