Flexible PCBs are made of flexible material with or without protective cover. A flexible circuit has a multilayer structure , including cover film, cover film adhesive, conductor cooper foil, adhesive layer of laminate, base film. It is possible to use material without adhesive layer in some cases.
Feature:
Specification:
Feature:
1. Reduced wiring errors
2. Elimination of mechanical connectors
3. Unparalleled design flexibility
4. Higher circuit density
5. More robust operating temperature range
6. Stronger signal quality
7. Improved reliability and impedance control
8. Size and weight reduction
Specification:
Surfaces | Immersion gold (recommended), immersion tin, Lead-free HAL |
Base Materials | Polyimide (0.025mm , 0.050mm) or Polyester (0.076mm, 0.127mm) |
Stiffener Material | FR-4, Mylar or Kapton |
Minimum Spacing Between Circuits | 3 mil |
Minimum Drill Size | 0.2mm |
Minimum Annual Ring | 4 mil |
Peel-Off Strength | 1.0N/mm |
PTH Wall Copper Thickness | 0.025mm |
Max. size | 200mm x 1000mm |
Solder-stop coating | Coverlay or flexible solder-stop |
Thickness Tolerance of Flexible PCB:
Single Sided | 0.013mm |
Double Sided | 0.025mm |
Rigid Flex | 0.050 to 0.178mm |
Hole Dia. Tolerance(PTH) | ±0.05mm |
Outline Tolerance | ±0.1mm |
Flex PCB/FPCB Applications:
Flexible Printed Circuit
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