Capabilities - Flex PCB >>Rigid Capabilities

ITEM mil mm
Flex Circuit Board
Number of Layers 1-8 Layers  
Maximum Board Size 19.68" x 19.68" 480 x 380 mm
Minimum Board Size   5 × 8mm
Board Thickness (Excl. Stiffener) 2-12 mil 0.05-0.3 mm
Max Board Thickness(Incl. Stiffener) 0.093" 2.4 mm
Copper Thickness (ED, RA) 1/4OZ, 1/3OZ, 1/2OZ, 1OZ, Up to 2OZ  
Minimum PTH 
(Plated Thru Hole) diameter
0.006" 0.15 mm
Maximum aspect ratio 10:1 (max. thickness 0.0066", 
min. PTH 0.0079")
10:1 (max. thickness 2mm, 
min. PTH 0.2 mm)
Minimum Traces/Spaces 0.002" / 0.002" 0.05 / 0.05 mm
Rigid-Flex PCB
Number of Layers 2-10 Layers  
Board Thickness 0.032"-0.120" 0.8-3.0mm
SURFACE FINISHES TYPES
Immersion Gold 
(Electroless Nickel Gold - ENIG)
Immersion Silver
Immersion Tin (White Tin) Flash Gold (COB)
OSP (Entek)  
STIFFENERS
Polymide (PI) Polyester (PET)
Epoxy Glass (FR4) Aluminum 
Stainless Steel Silicon Steel´╝îNickel Steel ect
BASE MATERIAL
Polymide (Kapton, PI) Polyester (PET, Mylar)
PI Substrate  0.5mil, 0.7mil, 0.8mil, 1.0mil, 2.0mil
PSA Thickness  30/50/100/130um
TSA Thickness 12.5/15/25/40/50um
PI Stiffener 1.0-13mil
PET Stiffener White: 0.05-0.25mm.  Transparent: 0.025-0.25mm
FR4 Stiffener >0.05mm

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