Flexible PCB, also known as flex circuits, is a technology for assembling electronic circuits by mounting electronic devices on flexible plastic substrates, such as polyimide, PEEK or transparent conductive polyester film. Flexible electronic assemblies may be manufactured using identical components used for rigid printed circuit boards, allowing the board to conform to a desired shape, or to flex during its use.
Flexible circuits also referred as flex circuits, flexible printed circuit boards, flex print, Flexi-circuits are members of electronic and interconnection family. They consist of a thin insulating polymer film having conductive circuit patterns affixed thereto and typically supplied with a thin polymer coating to protect the conductor circuits. It is now one of the most important interconnection technologies in use for the manufacture of many of today's most advanced electronic products.
Flexible PCB / FPCB Applications :
FPCBs are used widely in everyday technology and electronics in addition to high-end, complex completed components. A few of the most prominent examples of flexible circuits usage is in modern portable electronics, devices, hard disk drives and desktop printers.
Flexible circuits are also used extensively in other applications and industries including:
In transportation they are extensively used due to their improved resistance to vibrations and movement.
Benefits of using Flex PCBs
Flexibility - the most prominent benefit.
- The elastic nature of the flex PCB allows placement around edges and folds.
- The flexible nature of the flex circuit boards are used in electronic devices that require 3 axes connections.
- Very little or no wiring is required that eliminates wire connection failure and increases the reliability of the device.
Space and Weight Savings
- Flex PCBs save up to 60% of the weight and space compared to Rigid PCB or wire harness applications.
Bending Cycles
- Flex PCB use in 3D designs eliminates connectors, while the number of bending cycles can be as many as 200,000 (with standard material)
Anti-Vibration Benefits
- Added flexibility and lighter weights allow the flex circuits to absorb and reduce the impact of the vibration to itself as well as any solder joints in connections.
Use in Harsh Environment
- Flex circuits can be built with materials that are suitable to use in harsh operating environments (materials that have the following properties: waterproof, moisture proof, shock proof, high temperature oil, corrosion resistant).
Consistent Thin Inner Layers
Heavy Copper Layers
- Heavy copper layers can be used for high-power uses with thin copper layers for flexibility
- The higher the conductivity of the material, the faster the heat transfer.
- Metal substrates are long-lasting and are more conductive than epoxy products.
- The metal boards can be etched to control heat flow away from components.
- Implemented in high vibration applications. The components don’t fall off since the core reduces the vibration.
- Boards with aluminum, tend to be lighter in weight than ceramics.
- Metals are non-toxic and are recyclable.
Our Capabilities
Feature |
Capability |
Number of Layers |
1-8 layer |
Build Time |
3-5days |
Polyimide base material |
Polyimide Flex |
FPC Thickness |
0.08-0.4mm |
Min Track/Spacing |
>=0.06mm |
Min Hole Size(diameter) |
>=0.35mm |
Coverlay(Flex Part) |
Yellow Coverlay,White Coverlay,Black Coverlay |
Silkscreen Color |
White,Black |
Surface Finish |
Immersion gold,OSP,Immersion silver,Immersioni Tin |
Finished Copper |
0.5-2oz |
