TP-2 8-Layer Microwave Immersion Gold High Frequency PCB

This TP-2 8-Layer High Frequency PCB adopts TP-2 microwave substrate with immersion gold surface finish. It features stable Dk/Df, low signal loss, excellent high-frequency performance for RF, radar and wireless communication applications. Custom stack-up, impedance control and full electrical test available.

High Frequency PCB like this TP-2 8-Layer microwave board provides stable dielectric constant and ultra-low signal loss for RF and microwave systems.

Key Specifications

Item Typical Value
Material Type PTFE / Carbon-Ceramic high-frequency laminate (TP-2)
Layers 8 layers
Dielectric Constant Dk ~2.2–3.0 (±0.05)
Dissipation Factor Df 0.0009–0.002
Frequency Range DC ~ 40 GHz+
Copper Thickness 1 oz (HVLP low-roughness optional)
Min Trace/Space 3/3–2/2 mil
Impedance Control 50Ω, ±5%
Surface Finish Immersion Gold (ENIG)
Water Absorption ≤0.06%
CTE Low, dimensionally stable
Flame Rating UL 94V-0
Operating Temp. −55 ~ +150°C

Manufacturing Advantages

  • Ultra-low loss: Df 0.0009–0.002; minimal microwave signal attenuation.
  • Stable Dk: ±0.05; ensures consistent impedance and low signal reflection.
  • 8-layer hybrid construction: Combines high-frequency layers with standard inner layers to balance performance and cost.
  • Low-roughness copper foil (HVLP): Reduces conductor loss; critical for millimeter-wave applications.
  • Fiber weave effect control: Spread-glass or homogenized weave; ensures excellent phase consistency.
  • ENIG (Electroless Nickel/Immersion Gold) finish: Flat and coplanar surface; facilitates fine-pitch assembly and ensures good solderability.
  • Dimensional stability: Low CTE; resistant to thermal deformation.

Signal & Electrical Performance

  •  Low insertion loss: Minimal attenuation for high-power/long-distance microwave transmission.
  • Low return loss: Precision 50Ω matching with minimal signal reflection.
  •  Phase consistency: Suitable for phased array and beamforming applications.
  •  High-frequency capability: Covers DC to 40GHz+; ideal for radar, satellite, and 5G mmWave systems.
  • Low dielectric loss: Ensures high signal integrity and supports high-speed RF links.
  • Low water absorption: Excellent environmental adaptability and stable performance parameters.

Volectronics Tech Co., Ltd is a one-stop service provider for PCB and PCBA manufacturing, covering the entire production chain under one roof — from PCB design and fabrication to component sourcing, assembly, and functional testing.

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