Feature | Flexible Solder Mask | FPC Coverlay |
Material | Liquid polymer (epoxy or photoimageable) | Polyimide film with adhesive |
Application Method | Screen printing or spray coating | Lamination using heat and pressure |
Thickness | Thin, typically 20-30 microns | Thicker, typically 50-100 microns |
Durability | Moderate protection | High protection against bending/stress |
Cost | More cost-effective | Higher material and processing costs |
Design Complexity | Suitable for fine-pitch and intricate designs | Better for simple, robust designs |
Flexibility | Good flexibility but less robust | Excellent flexibility and mechanical strength |
Innovation Perfected with POE's 0.1mm Precision
— POE PCB/PCBA Manufacturer (@poe_pcba) February 15, 2025
Processing 6-layer HDI boards for medical devices.
Complex stacked microvias?
Heavy copper substrates? POE delivers reliable solutions for mission-critical PCBs.
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Since 1996, POE has become a globally renowned PCB company, providing small to medium volume PCB/ PCBA manufacturing services.