Printed Circuit Board FPC Manufacturer

Multilayer FPC
four layers fpcb.
High quality and competitive price
UL/ROHS /ISO9001 /ISO4001 certified

Multilayer FPC

Capabilities and Physical Properties

Layers (Max)
 Up to 10 Layers
 
Board Size (Max)
 Up to 500 mm x 1000 mm
 
Outline Tolerance

 
 a. ± 0.30 mm Hand Trim

b. ±0.15 mm Blade Dies  

c. ±0.1, 0.075, 0.05mm Punch and Die

d. ±0.025 mm Laser Cut 
 
Hole
 Diameter (Min)
 0.1 mm (Finished) 0.1mm
 
Diameter Tolerance
 a. Plating Through Holes   ± 0.075 mm

b. Non-Plating Through Holes         ± 0.05 mm
 
Drill Position Tolerance
 ± 0.05 mm
 
Conductor
 Width (Min)
 2 mil
 
Width Tolerance
 ± 15%
 
Spacing (Min)
 2 mil
 
Spacing Tolerance
 ± 15%
 
Pad
 Pad (Non-Wiring)
 ≥ 0.4 mm + Hole
 
Pad (Wiring)
 ≥ 0.3 mm + Hole
 
Coverlay    
 Distance from Holes in Coverlay to Conductors and/or borders (Min)
 ≥ 0.125 mm
 
Coverlay to Pad (Min)              
 100 um
 
Coverlay to Conductor (Min)
 100 um
 
Coverlay Width (Min)              
 250 um
 
Stiffener holes
 ≥ 0.25 mm + Access Hole
 
Plating Thickness
 Copper: ≥ 4 um   Nickel: ≥  1 um     Gold:0.01 um ~ 0.05 um (Flash Gold over Nickel)

≥ 0.05 um (Thick Gold over Nickel)

Tin: 1 ~ 25 um (Plating) 1 ~ 15 um (Hot Air Solder Level)