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What is a flexible pcb board: 10 Advantages of FPCB Board you can Enjoy


Flexible circuit Board: A Perfect Guide for Beginners

With the flexible pcb board manufacturer, the projects developed in CAD format comes with maximum precision and speed. The method most used by the flexible printed circuit manufacturer is its production via 3D printing. The use of high technology and the performance of specialized professionals are also essential for the quality of your plates to be assured.

Flexible printed circuit boards are diverse in their designs and applications. The trend towards further expansion of their use is due to the great advantages. They create in interconnection technology. They have now become a very attractive way to provide interconnections in modern electronic equipment.

flexible pcb board

Benefits of flexible printed circuit boards

There are many reasons for using flexible pcb board as an interconnection medium in electronic devices. In some cases, when it is necessary to withstand dynamic loads of flexible printed circuit boards, the use of fpcb boards is obvious. At least in this they have no alternative.

There are many more other areas of the use of flexible printed circuit boards. They help to solve the problems of compaction of the equipment layout.

Flexible pcb board provides Weight reduction

An additional advantage of the thinner flexible PCBs is the low weight. By themselves, they are 75% lighter than comparable rigid PCBs.

The low mass of interconnects implemented by flexible printed circuit boards has proven. It is so attractive in aerospace applications that this field of use has become competitive in terms of production with portable electronics.

Reduced assembly time and cost

Flexible Printed Circuit Boards (FPCBs) represent a simple and fast interconnection technology for assemblies and electronics units. An alternative to flexible printed circuit boards – wiring and flexible cables – comes with the need to route wires along the intended route of connections. And their fastening, stripping and soldering each wire separately. Wiring harness also requires additional labor to designate link addresses.


Flexible pcb board enable the use of group assembly and assembly methods. In addition, their production itself is much cheaper due to the use of group manufacturing and marking technologies.

Flexible pcb board Reduced build errors

While wiring is inevitably human error, flexible printed circuit boards do not have human error sources. Manual assembly is a constant risk of errors.


Flexible Printed Circuit Boards (FPCBs) are designed as part of an interconnect system. And then they come by machine methods to prevent human error. As a result, with the exception of inevitable manufacturing errors, fpcb boards do not allow for connections that do not match the designed circuit.

Increased system reliability

Reliability specialists are always looking for interconnection defects when looking for sources of electronic equipment failures.

The more there are, the less reliable the system. Flexible pcb board are ideal for reducing contacts. They contribute to increased reliability by reducing the number of interconnections within an electronic module or unit.

Replacing the wiring in FPCBs

The rule of thumb in the flexi community is that flex cards are cost effective when you need more than 25 point-to-points interconnects. This number is somewhat arbitrary, but the basic concept is correct.

To choose a solution, you need to compare the cost of wired and printed flexible wiring. It is to take into account volume and other factors of production. Some product designers find flexible printed circuit boards more cost-effective with just two or three connections.

Nevertheless, in a number of cases, there is a validity of using wire harness as opposed to flexible printed circuit boards. It shows a power wiring harness that is not replaceable with flexible printed circuit boards.

An example of a wiring harness layout for a car, where flexible printed circuit boards are inferior in technical capabilities

Dynamic flexibility of FPCBs

Flexible pcb board provides great resistance to bending. It is one of the most important properties of flexible printed circuit boards. Other flexible interconnect solutions, such as flat ribbon cable. They can be easy to use satisfactorily in such cases.

But flexible printed circuit boards are superior as the standard method for creating reliable interconnection between moving parts.

Controlled characteristic impedance of communication lines

Nearly all flexible PCB base materials have electrical characteristics that are beneficial to the formation of transmission lines. This makes it relatively easy to implement flexible circuits with high speed transmission lines.

Fortunately, for high-speed transmission lines, a decrease in the conductor cross-section has little effect on their performance. At high frequencies the skin effect prevails. The displacement of current to the surface of the conductor also has impacts. Due to this, the effectively used cross-section of the conductor decreases to a greater extent.

Improved heat dissipation

Flat conductors have a much higher surface finish than round conductors in Flexible pcb board. This is the first advantage. Further, when comparing flexible and rigid boards, it is clear that the heat transfer path from a rigid PCB is greater than from a thin flexible base.

Not only that, the heat dissipation from the FPC goes to both sides, which greatly increases the heat dissipation efficiency. Note, however, that rigid PCBs, as opposed to flexible ones, can use a thick inner heat sink layer.

Flexible pcb board Volumetric layout

The advantages of designing three-dimensional interconnect structures are obvious]. They are especially effective in spatial arrangement of microcircuit crystals. In earlier times, beginning in the late 1970s, the same layouts were used for stacking multilayer rigid printed circuit boards.

Reduced resistance to cooling air flow

The uniform flat design of the Flexible pcb board allows them to gets in the instrument case. So as not to create a large resistance to the air cooling flow. In contrast, the massive weaves of wires act as barriers to airflow, preventing efficient cooling of the unit.

Flexibility of SMD FPC Base Materials

In the early stages of its development, surface mount technology ran into a number of difficulties. It comes with a mismatch between the temperature expansion coefficients of the components and the mounting substrate.

flexible pcb board 2021


Each of Flexible pcb board has its own characteristics. It determines the practicality of their use in certain projects. But sometimes situations arise when there is no encoder at hand. And you need to twist and move something. And then, by moving your own convolutions, you can come to the decision to replace one with another to save time and money.

It is obvious that without a reliable manufacturer you cannot move ahead. Hiring bests pcb manufacturer is the need of the hour.

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