MEGTRON 6 Halogen-Free (HF) offers all the performance benefits of the original MEGTRON 6 family while eliminating halogens, making it a more environmentally friendly solution. These ultra-low loss, high-heat resistant circuit board materials are ideal for high-density interconnect (HDI) designs and complex multi-layer PCB structures.
Material Types
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Low Dielectric Constant (Dk) Glass Cloth – Laminate R-5375(N) / Prepreg R-5370(N)
Optimized for ultra-low loss applications requiring minimal signal attenuation. -
E Glass Cloth – Laminate R-5375(E) / Prepreg R-5370(E)
Standard high-performance PCB material for general HDI and thermal-critical applications.
Key Features
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Ultra-Low Transmission Loss: Maintains performance at the level of MEGTRON 6 R-5775 to MEGTRON 7 R-5785(N).
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High Thermal Reliability: High glass transition temperature (Tg) of 250°C and long time-to-delamination (T320 >120 min with copper).
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Low Dielectric Constant & Dissipation Factor: Dk 3.4 and Df 0.003 at 12GHz for low signal attenuation.
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Excellent HDI Support: Suitable for high layer count PCBs and multi-layer designs.
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Halogen-Free Compliance: Based on JPCA-ES-01-2003 and other international standards.
Thermal and Mechanical Properties
| Property | Unit | R-5375(N) Low Dk Glass | R-5375(E) E Glass | R-5775 E Glass |
|---|---|---|---|---|
| Glass Transition Temp (Tg) | °C | 250 | 250 | 210*1 |
| Thermal Expansion (Z, 50–260°C) | % | 1.7 | 1.7 | 2.9 |
| Time to Delamination T288 (with Cu) | min | >120 | >120 | >120 |
| Time to Delamination T320 (with Cu) | min | >120 | >120 | 50 |
| Dielectric Constant (Dk @12GHz) | – | 3.4 | 3.6 | 3.6 |
| Dissipation Factor (Df @12GHz) | – | 0.003 | 0.004 | 0.004 |
| Peel Strength 1oz | kN/m | 0.6*2 | 0.6*2 | 0.8*3 |
*Sample thickness: 0.75mm
*1 10Hz, *2 H-VLP2 Copper, *3 H-VLP Copper
Applications
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ICT Infrastructure Equipment: High layer count PCBs for servers, routers, optical networks, and switches.
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High-Speed Networking: Supports ultra-fast data transfer for high-end networking devices.
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Advanced Mobile & Wireless Devices: Ideal for devices requiring low signal loss and high thermal reliability.
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Industrial & Automotive Electronics: High-density, multi-layer designs in harsh environments.
Conclusion
MEGTRON 6 Halogen-Free materials set the industry standard for high-speed, ultra-low loss PCBs. With superior thermal performance, HDI support, and compliance with halogen-free standards, they provide reliable, high-performance solutions for mobile, networking, automotive, and ICT infrastructure applications.
