Description
Engineered for applications where signal loss cannot be compromised, PCF-1 is our flagship ultra-low-loss PTFE/ceramic composite dielectric film — purpose-built for millimeter-wave antennas, 5G infrastructure, and satellite communication substrates.
Key Specifications
| Parameter | Value |
|---|---|
| PTFE : Ceramic Filler Ratio | 50% : 50% |
| Dielectric Constant (Dk) | 2.2 |
| Dissipation Factor (Df) | 0.0001 |
| Mechanical Strength | 13 MPa |
| Thickness | 120 µm |
| Operating Temperature | -200°C to +260°C |
| Chemical Resistance | Resistant to strong acids, alkalis, and organic solvents |
Why PCF-1
- Industry-leading Df of 0.0001 minimizes signal attenuation over long transmission paths
- Lowest Dk in the PCF series — ideal where maximum signal propagation speed is required
- Highest mechanical strength (13 MPa) in the product line, improving handling and downstream lamination yield
- Advanced multi-stage fabrication (multi-dimensional powder blending, fibrillation, and void-elimination processing) ensures uniform ceramic dispersion and consistent electrical performance across the sheet
Recommended Applications: 5G mmWave base station antennas, satellite VSAT terminals, automotive radar (77 GHz), phased-array RF modules
This film must be stored within its rated temperature range of -200°C to +260°C to preserve dielectric properties. Lamination processes require optimization to prevent void formation and ensure consistent electrical performance.
- Temperature Control: Maintain storage and operating temperatures strictly within -200°C to +260°C to avoid thermal degradation of the PTFE/ceramic composite.
- Chemical Compatibility: Limit exposure to strong acids, alkalis, and organic solvents only, as the film is resistant to these but other chemicals may cause swelling or deterioration.
- Lamination Processing: Use a multi-stage lamination process with controlled pressure and temperature to avoid void formation and maintain uniform dielectric constant across the sheet.
Does the 50:50 PTFE-to-ceramic filler ratio in PCF-1 introduce any trade-off between low dielectric loss and mechanical robustness?
No trade-off; the 50:50 ratio achieves both an ultra-low dissipation factor of 0.0001 and the highest mechanical strength (13 MPa) in the PCF series, eliminating common signal loss and handling fragility compromises.
Can PCF-1 be directly integrated into standard PTFE-based PCB lamination processes without additional surface treatment?
Yes, PCF-1’s high mechanical strength (13 MPa) and wide operating temperature range (-200°C to +260°C) support standard lamination cycles, while its chemical resistance to strong acids and alkalis simplifies process compatibility. The advanced multi-stage fabrication ensures uniform dielectric performance after lamination.
What environmental or storage constraints are required to maintain PCF-1’s dielectric performance over time?
PCF-1 requires no special environmental controls beyond standard lab storage; its chemical resistance to strong acids, alkalis, and organic solvents protects against contamination, and its operating temperature range of -200°C to +260°C ensures it remains stable under typical storage conditions.
The PCF-1 ultra-low-loss PTFE/ceramic composite dielectric film delivers a dissipation factor of 0.0001 and dielectric constant of 2.2, optimized for millimeter-wave and 5G infrastructure. Its 13 MPa mechanical strength improves handling and lamination yield in high-frequency substrate fabrication.
Positive
- Industry-leading dissipation factor: A Df of 0.0001 minimizes signal attenuation over long transmission paths, critical for mmWave and satellite communication substrates.
- Highest mechanical strength in series: At 13 MPa, this variant offers the best handling robustness and downstream lamination yield within the PCF product line.
Trade-offs
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).

