How is the FPC wire harness produced and what are the characteristics features functions of FPC wire harness?

FPC wire harness (Flexible Printed Circuit) is a kind of flexible printed circuit board, which consists of flexible substrate, conductive lines, copper cladding foils and protective layers, etc. It is often used to connect electronic devices or components that need to be bent or stretched.The manufacturing process of FPC wire harness is complicated and requires precise equipment and process control. The following is a detailed introduction to the production process of FPC wire harnesses, as well as features, characteristics and functions. First, the production process of FPC wire harness 1.Design: First of all, the need for FPC wire harness design, including circuit diagram design and layout design, to determine the line direction, width, spacing, stacking layers and other parameters. 2.Production of substrates: the production of FPC wire harness substrate material is usually polyimide (PI), which can be chemically or physically prepared. 3.Copper coated foil: copper-clad foil is attached to the substrate through adhesives, forming the basic circuit shape. 4.Copper coated foil: copper-coated foil through the adhesive on the substrate, to form the basic circuit shape. 5. substrate to form the basic circuit shape, and then etching to remove unwanted copper foil.4. Printing conductive lines: using photolithography to print the conductive line pattern on the copper-clad foil to form a conductive line.5. Stacking layers: stacking multi-layer FPC harnesses, which need to be laminated by laminating machines to make the layers bond with each other.6. Trimming, molding, and drilling: cutting, molding, and drilling the FPC harnesses. Surface treatment: FPC wire harness surface treatment, such as metallization, chemical copper plating, etc., to improve the conductivity and stability of the circuit. 8. quality testing: FPC wire harness for strict quality testing, including the appearance, size, conductivity and other aspects of the test. 9. packaging: FPC wire harness will be packaged into a form suitable for transport and storage. Second, the characteristics and features of the FPC wire harness 1. high flexibility: FPC wire harness has a very high flexibility, can be bent, folded and twisted, suitable for some limited space or need to frequent deformation of the application scenarios. 2. thin and light, short: FPC wire harness is small in size and light in weight, which saves the space and weight of the equipment. 3. high-density: FPC wire harness has a high-density layout of the wires and components, which allows for higher Strong anti-interference performance: FPC wiring harness adopts shielding technology, which can effectively reduce electromagnetic interference and noise.

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