Rigid-flex PCB process capability

Category Material
FPC Main Material Dupont, Rogers, Arlon
Rigid PCB Material Panasonic, Shengyi (SY), ISOLA
Texture Material PI, PET, LCP (Liquid Crystal Polymer)
Cover Film Material Dupont, Tatsuta
Copper Foil RA (Rolled Annealed), ED (Electrodeposited)
Adhesive Material Epoxy Resin, Acrylic
Stiffener Material FR4, SUS, Aluminum, PI
PP (Prepreg) 106, 1080, 2116
Surface Finish ENEPIG, Hard Gold, OSP, Immersion Silver
PI Thickness 0.3mil, 0.5mil, 1mil
Solder Mask Taiyo, KF
Reinforcement Material Glass Fabric, Carbon Fiber
Conductive Adhesive Silver Paste, Conductive Epoxy
Dielectric Material Rogers 4000, PTFE
Protective Film Polyester Film, Kapton Tape
Drill Fill Material Plugging Resin, Epoxy Fill
Item Description
FPC Main Material Dupont, Rogers, Arlon
PCB Material Panasonic, Shengyi (SY), ISOLA
Texture PI, PET, LCP (Liquid Crystal Polymer)
Cover Film Dupont, Tatsuta
Layer Count 2-20 layers (mass production), up to 24 layers (sample)
Finish Board Thickness 0.2mm – 5.0mm (Rigid), 0.15mm – 2.0mm (Flex)
Min Pattern Width / Spacing 0.04mm / 0.04mm
Max Finish Board Size 250mm x 500mm
Finish Board Thickness Tolerance ±0.03mm (standard), ±0.02mm (precision)
PP Thickness 12um, 25um, 50um
Copper Thickness 9um, 18um, 35um, 70um
Stiffener Material FR4, PI, SUS, Epoxy, Aluminum
Surface Treatment ENEPIG, Hard Gold, Selective OSP, Immersion Silver
Min Hole Size Mechanical Hole: 0.10mm, Laser Hole: 0.08mm
Hole Tolerance NPTH: ±0.03mm, PTH: ±0.05mm
Cover Film Color Yellow, Black, Transparent
PI Thickness 0.3mil, 0.5mil, 1mil
Max Number of Layers for FPC Up to 12 layers
Min Finished Size 4mm x 6mm
Min Pad Size Inner Layer: 4mil, Outer Layer: 3.5mil
Stiffener Min Size 3mm x 4mm
Stiffener Max Size 35mm x 35mm
Stiffener Alignment Accuracy ±0.05mm
Cover Minimum Opening Size 0.4mm x 0.4mm (precision tooling)
Minimum Opening Spacing for Covering Film 0.15mm (laser cutting), 0.10mm (stamping)
Coating Film Overflow Amount (Unilateral) Standard: 0.05-0.1mm, Precision: ≤0.03mm
Min Diameter of Gold Finger Semicircle Hole 0.2mm
Peel-off Strength ≥1.8N
Planeness ≤10um (before baking), ≤25um (after baking)
Thermal Shock 300℃ (3 times, 10 seconds each)
W/B Gold Wire Pull Strength ≥8g
Rigid-Flex PCB Min Board Thickness FPC: 0.08mm, 4 Layers: 0.25mm, 10 Layers: 0.7mm