F4BTME High Frequency PCB for Enhanced Performance
(PCB's are custom-made products, the picture and parameters shown are just for reference)
Introduction
The F4BTME High Frequency PCB series features high-performance laminates created through a precise formulation of fiberglass cloth, nano-ceramic fillers, and polytetrafluoroethylene (PTFE) resin, followed by rigorous pressing processes. Built on the F4BM dielectric layer, these laminates incorporate high-dielectric, low-loss nano-level ceramics, resulting in higher dielectric constants, improved heat resistance, lower thermal expansion coefficients, increased insulation resistance, and enhanced thermal conductivity, all while maintaining low loss characteristics.
The F4BTM and F4BTME laminates share the same dielectric layer but differ in copper foil applications: F4BTM uses ED copper foil suitable for applications without Passive Intermodulation (PIM) requirements, while F4BTME utilizes reverse-treated (RTF) copper foil, which offers excellent PIM performance, more precise line control, and reduced conductor loss.
Features & Benefits
1.Dielectric Constant (DK): Available in a range from 2.98 to 3.5.
2.Performance Enhancement: The incorporation of ceramics significantly boosts laminate performance.
3.PIM Excellence: F4BTME demonstrates outstanding passive intermodulation performance.
4.Variety and Cost Efficiency: Available in various thicknesses and sizes, offering cost-effective solutions for PCB manufacturing.
5.Commercial Viability: Suitable for large-scale production, ensuring high cost-effectiveness in PCB applications.
6.Durability: Features radiation resistance and low outgassing properties for reliability in demanding PCB environments.
Models & Data Sheet
| Product Technical Parameters | Product Models & Data Sheet | ||||||
| Product Features | Test Conditions | Unit | F4BTME298 | F4BTME300 | F4BTME320 | F4BTME350 | |
| Dielectric Constant (Typical) | 10GHz | / | 2.98 | 3.0 | 3.2 | 3.5 | |
| Dielectric Constant Tolerance | / | / | ±0.06 | ±0.06 | ±0.06 | ±0.07 | |
| Loss Tangent (Typical) | 10GHz | / | 0.0018 | 0.0018 | 0.0020 | 0.0025 | |
| 20GHz | / | 0.0023 | 0.0023 | 0.0026 | 0.0035 | ||
| Dielectric Constant Temperature Coefficient | -55 º~150ºC | PPM/℃ | -78 | -75 | -75 | -60 | |
| Peel Strength | 1 OZ F4BTM | N/mm | >1.6 | >1.6 | >1.6 | >1.6 | |
| 1 OZ F4BTME | N/mm | >1.4 | >1.4 | >1.4 | >1.4 | ||
| Volume Resistivity | Standard Condition | MΩ.cm | ≥1×10^7 | ≥1×10^7 | ≥1×10^7 | ≥1×10^7 | |
| Surface Resistivity | Standard Condition | MΩ | ≥1×10^6 | ≥1×10^6 | ≥1×10^6 | ≥1×10^6 | |
| Electrical Strength (Z direction) | 5KW，500V/s | KV/mm | >26 | >30 | >32 | >32 | |
| Breakdown Voltage (XY direction) | 5KW，500V/s | KV | >34 | >35 | >40 | >40 | |
| Coefficientof Thermal Expansion | XY direction | -55 º~288ºC | ppm/ºC | 15，16 | 15，16 | 13，15 | 10，12 |
| Z direction | -55 º~288ºC | ppm/ºC | 78 | 72 | 58 | 51 | |
| Thermal Stress | 260℃, 10s，3 times | No delamination | No delamination | No delamination | No delamination | ||
| Water Absorption | 20±2℃, 24 hours | % | ≤0.05 | ≤0.05 | ≤0.05 | ≤0.05 | |
| Density | Room Temperature | g/cm3 | 2.25 | 2.25 | 2.20 | 2.20 | |
| Long-Term Operating Temperature | High-Low Temperature Chamber | ℃ | -55～+260 | -55～+260 | -55～+260 | -55～+260 | |
| Thermal Conductivity | Z direction | W/(M.K) | 0.42 | 0.42 | 0.50 | 0.54 | |
| PIM | Only applicable to F4BTME | dBc | ≤-160 | ≤-160 | ≤-160 | ≤-160 | |
| Flammability | / | UL-94 | V-0 | V-0 | V-0 | V-0 | |
| Material Composition | / | / | PTFE, Fiberglass Cloth, nano-ceramics F4BTM paired with ED copper foil, F4BTME paired with reverse-treated (RTF) copper foil. |
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Our PCB Capability (F4BTME)
| PCB Capability (F4BTME) | |||
| PCB Material: | PTFE / glass fiber cloth / Nano-ceramic filler | ||
| Designation (F4BTME ) | F4BTM | DK (10GHz) | DF (10 GHz) |
| F4BTME298 | 2.98±0.06 | 0.0018 | |
| F4BTME300 | 3.0±0.06 | 0.0018 | |
| F4BTME320 | 3.2±0.06 | 0.0020 | |
| F4BTME350 | 3.5±0.07 | 0.0025 | |
| Layer count: | Single Sided, Double Sided PCB, Multilayer PCB, Hybrid PCB | ||
| Copper weight: | 0.5oz (17 µm), 1oz (35µm), 2oz (70µm) | ||
| Dielectric thickness (or overall thickness) | 0.25mm, 0.508mm, 0.762mm, 0.8mm, 1.0mm, 1.016mm, 1.27mm, 1.524mm, 2.0mm, 3.0mm, 4.0mm, 5.0mm, 6.0mm, 8.0mm, 10.0mm, 12.0mm | ||
| PCB size: | ≤400mm X 500mm | ||
| Solder mask: | Green, Black, Blue, Yellow, Red etc. | ||
| Surface finish: | Bare copper, HASL, ENIG, Immersion silver, Immersion tin, OSP, Pure gold, ENEPIG etc.. | ||
F4BTME PCB and Applications
On the screen, you can see a DK 3.5 F4BTME PCB with a substrate thickness of 1.524mm. It has immersion gold surface finishes and 3oz copper tracks.
F4BTME series PCBs are employed in a wide range of applications, such as Antenna, Mobile Internet, Sensor Network, Radar, Millimeter Wave Radar, Aerospace, Satellite Navigation, Beidou, Missile-borne, Power Amplifier, and Radio Frequency.
Final （F4BTME series aluminum-based/copper-based substrates）
F4BTME series of laminates can provide aluminum-based or copper-based materials, where one side of the dielectric layer is covered with copper foil, and the other side of the dielectric layer is covered with either aluminum-based or copper-based material. This arrangement serves the purpose of shielding or heat dissipation.
For example, F4BTME350-CU represents the F4BTME350 series with a copper-based substrate.