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FPC柔性线路板
FPC柔性线路板的组成
FPC柔性线路板应用领域
FPC柔性线路板的优势
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FPC flexible printed circuit board

Introduction to FPC Flexible Circuits: Flexible Printed Circuits (FPC) are printed circuit boards made with polyimide or polyester film as the substrate. They are highly reliable and extremely flexible. They feature high wiring density, lightweight, thin thickness, good bending ability, wear resistance, long lifespan, and convenient usage.

  • Main types: single-sided board, double-sided board, perforated board, multilayer board, rigid-flex board
  • Main processes: drilling, circuit etching, lamination, SMT, testing
  • Application areas: Used in power and energy storage batteries to replace low-conductivity wires for collecting cell voltage and temperature.
  • Voltage range: Determined by connector selection
  • Product thickness: 0.39mm other specifications can be customized
500+
Utility model patent
100+
Invention patent
700+
Partner Client
95%
Digital Transformation

Composition of FPC Flexible Circuit Board

FPC flexible printed circuit boards, also known as ‘flexible circuits,’ are printed circuit boards made from polyimide or polyester film as the base material, featuring high reliability and excellent flexibility. They are characterized by high wiring density, light weight, thin thickness, and good bending performance.

Flexible Copper-Clad Laminate (FCCL): In FPC flexible circuit boards, it mainly serves three roles: conductivity, insulation, and support points. Common substrate films include polymer material plastic films such as polyimide (PI), polyester (PET), polyethylene naphthalate (PEN), and liquid crystal polymer (LCP) used in displays.

Cover film: Composed of organic chemical plastic film and adhesive, its function is to protect the completed flexible circuit conductor parts. There are different types and thickness specifications of film and adhesive. Adhesive film: Formed by pouring adhesive on one or both sides of a substrate film, or as a pure adhesive layer without a substrate. It comes in various adhesive types and thickness specifications, used for bonding and insulating between layers of multilayer boards.

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Automotive field

Automotive field

In battery packs and charging facilities, PI heating films are used to heat batteries, improving battery performance and charging efficiency, especially in low-temperature environments. They can effectively address the issue of reduced battery range, such as in northern regions during winter, where PI heating films are commonly used in the battery heating systems of new energy vehicles.
Healthcare field

Healthcare field

In devices such as hemodialysis machines and infusion pumps, PI heating films can be used to heat liquids or maintain a specific internal temperature of the equipment, ensuring the normal operation of medical devices and the effectiveness of treatments. For example, during the hemodialysis process, it is necessary to keep the temperature of the dialysis fluid stable, and PI heating films can provide effective heating.
Aerospace field

Aerospace field

On aircraft, satellites, and other flying vehicles, PI heating films can be used to heat critical components, such as wings and engine inlets, to prevent issues like icing and performance degradation in low-temperature, high-altitude environments. For example, in high-altitude, low-temperature flight conditions, PI heating films can provide reliable heating protection for the crucial parts of the aircraft.
Industrial sector

Industrial sector

In some industrial production equipment, such as injection molding machines and extruders, PI heating films can be used to heat barrels, molds, and other components, ensuring the smooth processing and molding of materials. For example, in the plastics processing industry, PI heating films can precisely control the heating temperature, ensuring the quality of plastic melting and molding performance.
Consumer electronics sector

Consumer electronics sector

In cold environments, PI heating films can be used to keep mobile phone batteries warm, preventing performance decline and rapid power drain due to low temperatures. For example, during winter in northern China or in high-altitude cold regions, it can improve the battery life of mobile phones. It can also defog the phone’s camera to ensure clear photos.
Home life sector

Home life sector

As a new type of underfloor heating material, PI heating film has the advantages of uniform heating, rapid temperature rise, and energy efficiency and environmental friendliness. Compared with traditional water-based underfloor heating, it is easier to install, space-saving, and can achieve intelligent temperature control. For example, in some small apartments or places with installation space requirements, PI heating film underfloor heating is a very good choice.

Advantages of FPC flexible circuit boards:

These advantages of FPC flexible circuits make them widely used in various fields such as smartphones, tablets, wearable devices, automotive electronics, medical equipment, and aerospace. With technological advancements and growing market demands, the application areas of FPC continue to expand.

  • Flexibility: FPC can bend, coil, and fold freely, adapting to various spatial layout requirements, and is especially suitable for applications with limited space or requiring curved designs.
  • Lightweight: FPC uses flexible materials, which are lighter than traditional rigid PCBs, helping to reduce the weight of the final product;
  • High reliability: FPC has good heat dissipation and solderability, as well as easy assembly features, providing high reliability;
  • Space-saving: FPC can bend or fold, allowing product designers to make more efficient use of space and reduce the overall size of the product.
Up to 90%Efficiency improvement
Up to 68%Save costs
Up to 100%Increase in production