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Flex PCB

  • Flex PCB
  • Flex PCB
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  • Introduction

A Flex PCB or FPC is a patterned arrangement of printed circuitry and components that utilizes flexible based material with or without flexible coverlay. These flexible electronic assemblies may be fabricated using the same components used for rigid printed circuit boards, but allowing the board to conform to a desired shape (flex) during its application.

FPC are used widely in everyday technology and electronics in addition to high-end, complex completed components. Two of the most prominent examples of flexible circuit 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:

1. Communications

2. Consumer Electronics

3. Automotive

4. Medical

5. Industrial

6. Aerospace

7. Military

8. Transportation

Polaris can also provide service for flex PCB assembly

Below is a part of our FPC Capacity

Category Item Normal capacity(small and midium volume) Ultimate capacity (need to estimate)
Base structure Layer number 1-4layers 5-8layers
Max size 220*300mm 220*500mm
Min size tolerance +/-0.15mm +/-0.1mm
Thickness 0.1-2mm(including stiffer) 0.07-5mm(including stiffer)
Min thickness tolerance +/-0.05MM +/-0.03MM
Min single layer thickness 0.07mm 0.07mm
Min two layers thickness 0.128mm 0.128mm
Drill diameter 0.15-6.3mm 0.15-6.3mm
Bow and Twist 0.0075 0.005
Surface treatment Immersion gold Ni:3-5um;Au:0.025-0.1um Ni:3-5um;Au:0.025-0.1um
Immersion tin Tin:0.8-1.2mm Tin:0.8-1.2mm
Immersion silver Silver:0.1-0.3mm Silver:0.1-0.3mm
OSP OPS film:0.15-0.3um OPS film:0.15-0.3um
Tracks design Base copper thickness(um) 12 18 35 70 12 18 35 70
Min track width before compensation(mil) 2.5 3 4 5 1.8 2 2.5 4
Min track space before compensation(mil) 2.5 3 3 4 2 2 2 2
Others Blind and buried vias No cross is OK No cross is OK
Impedance control Single end Impedance:35-70Ohm,tolerance +/-0.5 Ohm
Differential Impedance:75-120 Ohm,tolerance:+/-10%
Single end Impedance:35-70Ohm,tolerance +/-0.5 Ohm
Differential Impedance:75-120 Ohm,tolerance:+/-10%

If you have questions or are looking for something not listed,please contact us at sales@polariscircuit.com or online service WhatsApp at +86 134 0021 8776

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