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FPC / HDI Flex PCB / Flex-rigid PCB Capacities
FPC / HDI Flex PCB / Flex-rigid PCB Capacities

Learn more about our prototype and production flexible and rigid-flex PCB fabrication services. Get low-to-high volume rigid-flex, and flex PCB quantities manufactured with industry leading quick turnaround time for rigid-flex and high density interconnects (HDI) PCBs.


Please contact us at sales@heros-electronics.com for quick quote if in demand of any kinds of Flexible Printed Circuit Boards.


Item Standard FPC HDI Flex PCB Rigid-flex PCB
Panel Size 250*400mm 100*100mm 250*400mm
Line Width/Space .003'' (0.076mm) 0.00075'' (19μm) .003'' (0.076mm)
Copper Thickness 1/2oz - higher 1/4 to 1/2oz 1/2 oz - higher
Layer Count 10 layer
(to date)
18 layer
(to date)
4 layer
(to date)
Via / Drill Dia.
Min Drill (Mechanical) Hole Dia. .008'' (0.2mm) .006'' (0.15mm) .008'' (0.2mm)
Min Via (Laser) Dia. 5mil (0.13mm) 1mil (0.025mm) 6mil (0.15mm)
Min Micro-via (Laser) Dia. 3mil (0.076mm) 1mil (0.025mm) 3mil (0.076mm)
Stiffener Material PI / FR4 / Metal PI / FR4 / Metal FR4 / PI
Shielding Material Copper
Silver Ink
Tatsuta
Carbon
Copper
Silver Ink
Tatsuta
Carbon
Copper
Silver Ink
Tatsuta
Carbon
Tooling Tolerance 2mil (.051mm) 2mil (.051mm) 2mil (.051mm)
Zif Tolerance 2mil (.051mm) 1mil (.025mm) 2mil (.051mm)
Solder Mask
Solder Mask Bridge Between Dam 5mil (0.13mm) 4mil (0.10mm) 5mil (0.13mm)
Solder Mask Registration Tolerance 4mil (0.10mm) 4mil (0.10mm) 5mil (0.13mm)
Coverlay
Coverlay Registration 8mil (0.20mm) 5mil (0.13mm) 8mil (0.20mm)
PIC Registration 7mil (0.18mm) 4mil (0.10mm) 7mil (0.18mm)
Solder Mask Registration 5mil (0.13mm) 4mil (0.10mm) 5mil (0.13mm)
Stiffener
Polyimide (PI) Stiffener Registration
Stiffener Registration 10mil (0.25mm) 10mil (0.25mm) 10mil (0.25mm)
Thickness Tolerance 10% 10% 10%
FR4 Stiffener
Stiffener Registration 10mil (0.25mm) 10mil (0.25mm) Layer to Layer
Thickness Tolerance 10% 10% 5mil
Silkscreen /Legend
Min Height 35mil (0.89mm) 25mil (0.64mm) 35mil (0.89mm)
Min Width 8mil (0.20mm) 6mil (0.15mm) 8mil (0.20mm)
Min Space 8mil (0.20mm) 6mil (0.15mm) 8mil (0.20mm)
Registration +/-5mil (0.13mm) +/-5mil (0.13mm) +/-5mil (0.13mm)
Impedance +/-10% +/-10% +/-10%
SRD (Stell Rule Die)
Outline Tolerance 5mil (0.13mm) 2mil (.051mm) 5mil (0.13mm)
Min Radius 5mil (0.13mm) 4mil (0.10mm) 5mil (0.13mm)
Inside Radius 20mil (0.51mm) 10mil (0.25mm) 31mil (0.79mm)
Min Punching Hole Dia. 40mil (1.02mm) 31.5mil (0.80mm) N/A
Pucnhing Hole Dia. Tolerance +/-2mil (0.05mm) +/-1mil (0.03mm) N/A
Slot Width 20mil (0.51mm) 15mil (0.38mm) 31mil (0.79mm)
Tolerance of Hole To Outline +/-3mil (0.076mm) +/-2mil (0.05mm) +/-4mil (0.10mm)
Tolerance of Hole Edge To Outline +/-4mil (0.10mm) +/-3mil (0.076mm) +/-5mil (0.13mm)
Min Size of Trace To Outline 8mil (0.20mm) 5mil (0.13mm) 10mil (0.25mm)


Of course, if you have any questions after checking our FPC, HDI Flex PCB and Flex-rigid PCB capabilities above, welcome to consult us and Heros Electronics will give fast response to help you with any Flex PCBs manufacturing and assembly questions.

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