Significant Benefits of Rigid Flexible Printed Circuit Boards In Manufacture and Utility

A PCB comprises of one or more insulating boards on which copper layers and conductive signal tracing elements are either etched or printed. PCBs are manufactured in a single layer or multiple layers depending upon the configuration of the circuit.

Types of PCBs based on rigidity

Rigid PCB- A rigid PCB is most commonly used in daily-use consumer electronic items such as computers, televisions, mobile phones etc., such a board, when bent beyond a certain limit, will crack or break.

Flexible PCB- Another common type of PCBs offered by PCB manufacturer is flexible PCB. In such a PCB the circuits are assembled on a very thin, flexible and insulating material. This will allow the PCB to be bent as well as curved as desired without causing damages to the circuit or to the insulating material.

Rigid flexible printed circuit board - The rigid-flex variety of PCBs is a combination of rigid and flexible PCBs. These circuits are used in aerospace and military applications, where  dense circuit is most required. Rigid flexible printed circuit board helps to save a significant amount of space, resulting in the making of light weight electronic products.

Rigid-Flex Circuit Benefits

•Rigid Flex circuits gives you the benefit to design your circuitry to fit your device, rather than building a device inorder to fit the circuit board.

•Rigid Flex circuits are suitable for the demanding conditions prevailing in medical, Aerospace and military applications, with much reliability.

•Flex assemblies can be folded as well as creased and can be positioned to the smallest spaces which helps miniaturization of different devices possible, along with providing scope for a substantial weight reduction.

•Flexible circuits facilitate the replacement of wiring without any errors.

•The reliability of the PCBs are highly improved due to the elimination of interface connections.

•The sources for potential failure are reduced considerably due to less number of interconnections.

•Flex circuit’s ductile nature and light weight features reduce the effect of vibration and shock over its performance.

•The thermal stability of polyimide helps the circuit to withstand all applications with extreme heat. The excellent thermal stability of the material offers a suitable base to do surface mounting as compared with the traditional boards.

•Thin and flexible polyimide film requires a smaller area, so as to reduce the overall finished assembly packaging size and material requirement costs.

•Assembly costs are considerably reduced, as less number of parts are needed for the final assembly of the end product.

•Flex circuits can avoid wire routing errors; reducing test time, rework, and rejects.

•Rigid flexible printed circuit board is suitable for high temperature applications in the range of 200 to 400 degree Celsius.

•Polyamide materials used in the manufacture of these PCBs, exhibit lower thermal Expansion and contraction features.

•These PCBs possess better resistance to oils, acids, gases etc.

•Flex circuits also have better resistance to UV radiations.

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