Update New Super Long Flexible Printed Circuits that Go Outside the Board
The world recently witnessed the “longest multilayer flexible printed circuit” marking the history. Do you think Guinness Book of Records will consider this exclusive 85-foot-long FPC flex circuit design? Yes, this super-long Flex Circuit Design for a UAV offers benefits in weight, cost, assembly time, and dissipation.
- (1888PressRelease) December 21, 2019 - The world recently witnessed the “longest multilayer flexible printed circuit” marking the history. Do you think Guinness Book of Records will consider this exclusive 85-foot-long FPC flex circuit design? Yes, this super-long Flex Circuit Design for a UAV offers benefits in weight, cost, assembly time, and dissipation.
What are flex circuits?
Flexible printed circuits were originally designed as a substitute for traditional wiring. From its beginnings to the present, its demand has grown exponentially, and they are used increasingly in more projects due to the advantages they offer.
A flexible circuit is "simply" a large number of conductors attached to a fragile film of a dielectric. From simple applications to the most complex, the possibilities and versatility of flexible printed circuits are unimaginable. The main advantages of flexible circuits compared to traditional wiring and rigid circuits are several:
Flexible Flex Circuit:
The main characteristic of these circuits is that they can be molded, placed, or fitted where a rigid circuit could not be positioned. Its assembly is carried out in flexible plastic substrates, such as polyester.
Advantages that we can find in these circuits:
Reduced weight and space. Replacement by cables, which with repetitive movements would end up splitting, also, it warms much less to the same amounts of current circulation.
•Installation and assembly costs are lower.
•Reduction in assembly errors, when replacing cable connections.
•Reduction of assembly time and, consequently, cost.
•Freedom and flexibility in its design and during its installation, offering more possibilities of interconnection in 3 dimensions.
•Increases reliability by reducing the number of interconnection points.
•Reliability and durability in equipment with moving parts, since flexible circuits can move and flex up to 500 million times without failure.
•Reduction of weight and size, with the consequent possibility of reducing space in the development of the equipment.
Rigid-flexible printed circuits:
Rigid-flexible printed circuits are a highly versatile technology, which increases the chances of obtaining competitive products in the market. So this type of FPC flex circuit design becomes increasingly important every day.
For what reasons is the application of rigid-flexible technology recommended?
1. The first is that it means a reduction in costs. This is because the rigid-flexible printed circuits allow greater integration with the wiring, without requiring connectors in assembly operations, and the fact that the device can be tested in a single phase.
2. The second reason to rely on this technology has to do with reliability. The rigid-flexible circuits have a high tolerance to vibrations and shocks, and, returning to the assembly of the device, during this phase, the possibility of human errors is eliminated. Also, they represent an improvement in signal transmission.
3. The third reason, of utmost importance, is that rigid-flexible circuits mean a reduction. It is both in terms of dimensions and weight of the devices. Thanks to the elimination of components such as connectors.
The flex circuit field of application is very diverse. This technology ranges from military devices to consumer products, of reduced dimensions, such as a camera or, even more, an activity bracelet. The level of complexity differentiates the applications of flexible printed circuits they present as well as the interconnection modalities and the position of the components.
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