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Future Trends of Flexible Circuit Boards
Rigid-Flex PCB Stack-up for Impedance Controlled Designs
Control Impedance Between Rigid PCB and Flex PCB
Flex PCB Reliability and Bendability
Normal Flex PCB Specifications
Flex PCB Polyimide Coverlay and Solder Mask
Flex PCB Boards and Connectors
About RA Copper and ED Copper
Introduction of Flexible PCB
5 Tips For Designing Flexible PCB
Advantages of FPC (Flexible PCB)
Evolution of the Flex Printed Circuit Board
Benefits of Using Flex Circuit Boards
Why Rigid-Flex PCBs are Economical?
Flexible PCB vs Rigid PCB
Development of Flexible printed circuit board (FPC) market
Traditional Manufacture Engineering of FPC Substrate
Development Trend of FPC Board
Flex PCB and the Manufacturing
About Flex PCB design
About Flex PCB and Assembly
How to Ensure Flex PCB Design Success
How to Select the Appropriate FPC Materials?
The Differences In Rigid PCB, Flex PCB and Rigid-Flex PCB
Flex-Rigid PCB Design Guidelines
Beneficials for Polyimide Flex PCB Boards
About Stiffener on Flex PCB FPC circuit Boards
About ENIG and ENEPIG
PCB Surface Finish Comparison
Copper Thickness for FPC Boards
Interconnect Solutions for Flexible Printed Circuits and Etched Foil Heaters
Advantages and Disadvantages of Rigid-Flex PCB
About FPC Plating Process
About EMI shield design for Flex Printed Circuit Board
PCB Assembly Blog
About PCB Assembly
QFP and BGA and the Development Trend in PCB assembly
Why some components need be baked before reflow soldering
About Flex PCB Assembly
Manual Soldering in SMT Assembly Manufacturing Process
BGA Components and BGA Assembly
Quick Understanding for PCB Assembly Process
About SMT Assembly (Surface Mount Technology)
About THT Assembly (Through-Hole Technology)
About Reflow Soldering
About_Wave_Soldering
PCB Assembly Inspections and Tests
Panel Requirements for PCB Assembly
About SMT (Surface Mount Technology)

What is Flex PCB?

 

Flex PCB(also variously referred to around the globe 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. The technology has been used for interconnecting electronic devices since the 1950s in one form or another. It is now one of the most important interconnection technologies in use for the manufacture of many of today's most advanced electronic products. 

In practice there are many different kinds of flexible circuits, including one metal layer, double sided, multilayer and rigid flex circuits.

 

What is the advantages in using Flex PCB?

 

Generally speaking, there are 5 advantages in using Flex PCB than traditional rigid PCB, see below:

 

1. Size

 

Today's market for electronic interconnect, demands an increased number of I/Os with a high degree of performance and reliability in increasingly miniaturized packages. Constant consideration to further reduce package size is required to support tomorrow’s sophisticated product requirements. Being inherently thin, lightweight, and flexible, flex interconnect facilitates miniaturization, making it a prime candidate for portable devices and applications where space is at a minimum. Flexible PCBs have innate mechanical and electrical properties that make them an ideal selection for emerging applications.

 

2. Reliability

 

Flex circuits are a reliable alternative to conventional wiring. The thin flat conductors and insulation that make up flex circuits provide more surface area than traditional wiring resulting in better heat dissipation and current carrying capacity. Flex circuits offer repeatable reliability and facilitate the replacement of heavy bulky wiring harnesses.

 

3. Malleable 

 

Flex circuit technology allows for three-dimensional configurations. Flex circuits have the ability to be formed around obstructions through thin openings and into confined areas. Utilizing Flex circuits for three-dimensional applications increases the reliability and integrity of the electrical connection when connecting to peripheral devices. This is achieved by removing unnecessary plated through-holes or surface-mount pads, which are created to house mechanical connectors.

 

4. Performance

 

Uniform dielectric and conductor thicknesses, favorable dielectric constant and increasingly finer line and spacing geometry provide improved impedance control required for dense, high-speed signal routing.

 

5. Cost

 

If the above factors don't give you reason enough to move to flex circuits, you should also consider the costs involved.  Generally speaking, you really do get more for your money with flexible circuit technology.  It is not uncommon to replace several electronics components with a single flexible circuit that provides equal to or better performance for your system.

 

Contact us

  • Email: sales@semipcb.com
  • Tel: 086 18576671093
  • Skype: Downey.Jin_PCB&PCBA
  • Address: No.12, Shapuwei Industrial Road
  • Baoan District, Shenzhen, China

About us

  • Based in Shenzhen China, SemiPCB is professional at PCB
    and PCB Assembly for Rigid PCB, Flex PCB, Rigid-flex PCB.
  • PCB compliant ISO9001, ISO14001, TS16949, UL, RoHS.
    PCB Assembly compliant ISO9001, IATF16949, IPC-A-610E.
  • Our aim is to "become the best supplier for PCB prototype
    and Turnkey PCB Assembly".

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