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Flex PCB




Polaris provides both manufacturing and assembly service for FPC.

Short lead time and professional team are our advantages,you can get the most professional suggestion to achieve the best performance of your products.


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%
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