High Frequency Thermal Management PCB

A High-Thermal-Conductivity Hybrid RF PCB is a multi-material laminated circuit board engineered to simultaneously achieve:
1. Low-loss RF transmission (e.g. Rogers RO3003™, tanδ<0.0013 @10GHz)
2. High-power thermal management (thermal conductivity >5 W/(m·K))
3. Seamless interlayer connection (laser microvias + copper pillars, thermal resistance <0.2 ℃/W)

Technical Core
Material Hybridization:
RF Layer: PTFE-ceramic/LCP (Dk=2.2-10.8)
Thermal Layer: Al/Cu metal-core or AlN ceramic (80-400 W/(m·K) )
Structural Innovations:
Embedded copper blocks (±0.05mm precision) under power devices
Graded lamination (Z-axis CTE delta <5 ppm/℃)
Key Metrics:
Insertion loss <0.03 dB/cm @40GHz
Heat flux capability >300 W/cm²

Send Inquiry

Product Characteristics

3D Thermal Management

Vertical thermal resistance <0.5℃/W (copper pillars + metal core)
Horizontal conductivity >80 W/(m·K) (AlN ceramic layer)

Low-loss RF Propagation

Insertion loss ≤0.02 dB/cm @40GHz (RO3003™ RF layer)
Dk stability ΔDk<±0.02 (-55℃~200℃)

Hybrid Material Integration

Laser microvia positioning ±10μm
Copper via fill voiding <5%

Thermo-mechanical Robustness

Z-axis CTE gradient <5 ppm/℃
Zero delamination after 200 thermal cycles

Enhanced EMC Performance

Interlayer shielding: Foil-dielectric-foil stack (isolation >90dB)
Grounding via density >300 vias/cm² (0.1mm dia.)

Product Application Field

1. 5G/6G Massive MIMO Base Stations
Stackup: Rogers RO4835™ (RF) + copper core (thermal)
Performance:
64T64R array power >800W, substrate conductivity >5.8W/(m·K)
28GHz insertion loss <0.03dB/cm, EIRP >65dBm
Cooling: Embedded heat pipes (heat flux >200W/cm²)

2. mmWave Radar Seekers
Materials: AlN ceramic (170W/(m·K)) + RO3003™ (94GHz antenna)
Specs:
W-band output >50W, junction temp. <125℃
Phase noise <-110dBc/Hz @1kHz offset
Tech: Au80Sn20 eutectic bonding (thermal res. <0.15℃/W)

3. LEO Satellite Phased Arrays
Structure: LTCC RF layer + MoCu alloy core (CTE 6.5ppm/℃)
Space Compliance:
Thermal conductivity decay <5% in vacuum
Ka-band PA efficiency >58%
Certification: NASA thermal-vacuum cycling (-150℃~125℃)

4. Industrial Microwave Energy
Use: Plasma cleaning / material sintering
Parameters:
2.45GHz output >30kW
Microchannel water cooling efficiency >95%
Substrate: Beryllia ceramic (BeO, 330W/(m·K))

5. Proton Therapy Accelerators
Requirement: 400MHz cavity power stability ±0.01%
Solution:
RF layer: Rogers RT/duroid® 6035 (tanδ=0.0013)
Thermal layer: Diamond-copper composite (>600W/(m·K))
Thermal Control: Liquid nitrogen cooling (-196℃)

Hot Tags: high frequency thermal management PCB, China high frequency thermal management PCB manufacturers, suppliers, factory, Antenna High Frequency PCB, DSC02759-02762, DSC02904-02906, High Frequency Multilayer PCB, Hybrid Dielectric PCB, Phased Array PCB