PRODUCTS

Fusion is in the design & production of flex circuits since 1983. Today we are recognized as world leaders in flex circuit technology for the automotive industry. We also produce with the same passion, parts for medical, industrial, Telecom & Consumer applications.

Capabilities: Flexible Printed Circuit Boards (FPC)

  • Single Sided Flex
  • Back Bared/ Dual Access Flex
  • Double Sided (PTH), 2-layer Flex

Copper Clad Laminate (adhesive type)

Base Film Material Typical thickness (μm)
PET (Polyester) 75, 100, 125
PEN (Polyethylene Napthalate) 50, 75
PI (Polymide, Kapton) 25,50,75
Copper Foil Type Typical Thickness (μm)
ED (Electrodeposited) 17,35, 70, 105
RA (Rolled Annealed) 35,70, 105

Copper Clad Laminate (adhesive type)

Base Film Material Typical thickness (µm) Accuracy
PET (Polyester) 75, 100, 125 ± 0.3 mm
PEN (Polyethylene Napthalate) 50, 75 + 0.2 mm
PI (Polymide, Kapton) 25,50,75 + 0.2 mm/td>

Stiffener

Material: PET, PEN, PI, FR4, Aluminium, Copper
Flex could be delivered on Full Aluminium Panel (2D), or
Selective Stiffeners (Alu or Cu as heat sink, in 2D/3D shape) could be applied on individual Flex
Adhesive Type: Pressure Sensitive (PSA), Thermal curing (TSA)

Surface Finishes

Base Film Material Typical thickness (µm) Application
PET (Polyester) 1 µm ~ 10 µm (Pb/Sn) Any soldering
PEN (Polyethylene Napthalate) (not for PET or fine pitch)
PI (Polymide, Kapton) 0.05µm ~ 1.0 µm 1~10 µm
0.10 -0.50 μm
Ni = 4µm Au = 0.1µm max)
10 μm
Ni 4-8 µm; Au = 1 - 3µm
0.5 µm ~ 5 µm
SMD
ZIF connectors
SMD, any soldering
SMD, ZIF, aluminium wire bonding
Mechanical Contact pads
Sliding contact, wet environment
Sliding Contact

Parameters

Parameter Description
Maximum PCB Size 550mm * 350mm
Minimum Tracewidth 150μm
Minimum Hole Size 0.30mm
Min Plating in Hole 20µm, Applicable only for 2-layer Flex
Minimum Annular Ring 0.20mm
Hole-Hole tolerance(min) 0.05mm
Hole-Edge Tolerance(min) 0.10mm
Tooling Hard Tool, Soft Tool, CNC Routing
Inspection & testing AOI, Dedicated Bare Board Tester, In-circuit Tester

Capabilities: Rigid Printed Circuit Board(PCB)

  • Single Sided Rigid PCB
  • Double Sided (PTH), 2-layer Rigid PCB
Laminate Type FR4, CEM3, CEM1
Laminate Thickness 0.20mm to 1.60mm
Copper Thickness (Finished) 35um, 70um
Insulating Film Type Thickness (µm) Accuracy
Screen Printed UV/ Thermal Solder Mask 15-25 0.3 mm
Liquid Photoimageable Solder Mask (LPISM) 10-20 0.1 mm

Surface Finishes

Base Film Material Typical thickness (µm) Application
Immersion Silver 0.80 µm ~ 1µm SMD
Tin plating 1~10 μm SMD
OSP 0.1 - 0.5µm SMD, any soldering
ENIG Ni = 4mu; Au=0.1µm (max) SMD, aluminium wire bonding
Carbon 10 μm Mechanical Contact pads
Galvanic Hard Gold Ni 4 µm-8 µm; Au = 1-3µm Sliding contact, wet environment
Electrolytic Silver 0.5 µm ~ 5 µm Sliding contact
Parameter Technical Specification
Maximum PCB Size 550mm X 400mm
Minimum Tracewidth/Gap 125 μm
Minimum Annular Ring 0.20 mm
Minimum Hole Size 0.25 mm
Min Plating in Hole 20µm, Applicable only for 2-layer Flex
Minimum Hole Edge to Hole Edge Distance 0.15 mm
Minimum Hole Edge to copper artwork 0.20 mm
Hole to artwork Registration 0.10 mm
Top to Bottom Copper Image Registration 0.10 mm
Insulation Resistance 10K Ohms-20 M Ohms, (at 250 V test voltage)
Legend Printing Available in white, yellow and black color
Tooling CNC Routing, V-scoring (min board thickness 0.8mm)
Inspection & testing Dedicated Bare Board Tester, In-circuit Tester
Dimensional Tolerance Technical Specification
Hole Position 75 μm
Conductor width 20% deviation of CAD width
Hole Diameter 75 μm
Outline Dimension 125 μm
Conductor to Outline 125 μm
Warp & Twist 0.75%