Introduction: The Rise of Transparent Flexible Circuits
In the fast-evolving world of electronics, the demand for slimmer, more flexible, and visually appealing circuit materials is growing rapidly. Shengyi Technology’s SF490 PET Transparent Flexible Copper Clad Laminate (FCCL) is at the forefront of this innovation, offering a unique combination of high transparency, flexibility, and reliability—making it ideal for next-gen applications like flexible displays, touch panels, wearable tech, and smart electronics.
Whether it’s for transparent LED screens, foldable smartphones, or rollable displays, the SF490 FCCL provides the perfect balance of optical clarity, mechanical durability, and electrical performance, setting a new standard for modern electronics.
Why Choose SF490 PET Transparent FCCL?
1. High Transparency & Aesthetic Appeal
- Optical-grade PET film with >90% light transmittance, enabling near-invisible circuit integration.
- Flawless surface finish—no bubbles or impurities, ensuring a sleek, premium look for transparent displays and curved screens.
2. Unmatched Flexibility & Bend Resistance
- Customizable thickness (75–188µm) paired with ultra-thin copper foil (½OZ–1OZ) for superior flexibility.
- Dynamic bending capability (radius ≤1mm, 100,000+ bend cycles) without performance loss—perfect for foldable phones, rollable screens, and wearable devices.
3. Superior Electrical Performance
- Low dielectric constant (Dk) & loss (Df), optimizing high-frequency signal transmission (ideal for 5G mmWave & flexible antennas).
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- Controlled copper roughness for consistent impedance and enhanced signal integrity.
4. Extreme Durability: Heat & Chemical Resistance
- Wide operating range (-40°C to +130°C), compatible with lead-free soldering & SMT processes.
- Resists acids, alkalis, and solvents, ensuring stability in harsh environments.
5. Eco-Friendly & Safe
- Halogen-free & RoHS/REACH compliant, aligning with green manufacturing trends.
- UL-certified & 94V-0 flame retardant, guaranteeing safety in consumer electronics.
Key Technical Parameters
- Property Specification
- Peel Strength (90°) ≥0.8 N/mm
- Visible Light Transmittance ≥90%
- Dimensional Stability ±1%
- Chemical Resistance ≥90%
- Volume Resistivity ≥10⁶ MΩ·cm
- Surface Resistance ≥10⁵ MΩ
FPC Construction Details
- Type: 1-layer flexible PCB
- Dimensions: 50mm × 40mm (±0.15mm)
- Thickness: 0.2mm (finished)
- Trace/Space: 10/10 mils (min.)
- Hole Size: 0.25mm (min.)
- Surface Finish: Silver trace + carbon ink
Stackup:
- Carbon layer
- Silver (17µm)
- SF490 PET (0.127mm / 5mil)
- Quality Standard: IPC-Class-2
- Artwork Format: Gerber RS-274-X
Typical Applications
✔ Flexible & Transparent Displays (OLED, micro-LED)
✔ Foldable & Rollable Screens (smartphones, tablets)
✔ Wearable Electronics (smartwatches, health monitors)
✔ Touch Panels & Smart Surfaces
✔ Large LED Displays (transparent advertising panels)
✔ 5G & High-Frequency Antennas
Conclusion: The Next Generation of Flexible Electronics
Shengyi’s SF490 PET Transparent FCCL isn’t just another circuit material—it’s a game-changer for industries demanding flexibility, transparency, and high performance. Whether you're designing cutting-edge consumer electronics or industrial-grade solutions, this material delivers unmatched reliability, aesthetics, and functionality.
Available worldwide and compliant with the highest industry standards, the SF490 is ready to power the future of flexible electronics.
Interested in integrating SF490 into your next project? Let’s push the boundaries of what’s possible with transparent, bendable circuits!