• VT-6706 High Frequency Laminate

    UL Approval: E214381 Version: 13/10/2025

    General Information

    • Ceramic-filled PTFE Composites
    • High Dk and Low Loss
    • Tight Dk and Thickness Control
    • Low CTE
    • Low Moisture Absorption

    Application

    • Military and Space Radar
    • Power Amplifier
    • Patch Antenna
    • Satellite Communication

    Availability

    • Dielectric Thickness: 0.025” (0.635mm), 0.050’’ (1.270mm), 0.075’’ (1.905mm)
    • Panel size: 10”*10” (254*254mm), 20”*10” (508*254mm), 18”*12” (457*305mm), 18”*24” (457*610mm)
    • Copper Foil: Hoz & 1oz, HTE & RTF & Resistive Foil
    • Metal Base: AI 5052 & 6061, 1~4mm, Cu C1100, 1~3mm

      Remark: Additional options maybe available upon request.

    Properties

    Properties Test Method Units Condition Typical Value
    Electrical Properties
    Dk IPC-TM-650 2.5.5.5 - 10GHz 6.15±0.15
    Design Dk Differential Phase Length Method - 8~40GHz 6.45
    Thermal Coefficient of Dk IPC-TM-650 2.5.5.5 ppm/°C 10GHz -400
    Df IPC-TM-650 2.5.5.5 - 10GHz 0.0025
    Surface Resistivity IPC-TM-650 2.5.17.1 MΩ After Moisture 4.00E+07
    Volume Resistivity IPC-TM-650 2.5.17.1 MΩ-cm After Moisture 7.00E+07
    Thermal Properties
    Td (@5% weight loss) ASTM D3850 °C 2 hrs @105°C 520
    Thermal Conductivity ASTM D5470 W/mK As Received 0.70
    XY-axis CTE IPC-TM-650 2.4.24.5 ppm/°C 0~100°C 45/32
    Z-axis CTE IPC-TM-650 2.4.24 ppm/°C 0~100°C 50
    Mechanical Properties
    Thermal Stress @288°C IPC-TM-650 2.4.13.1 Second 10sec/cycle >300
    Peel Strength (1oz) IPC-TM-650 2.4.8 lb/in (N/mm) After Thermal Stress 14.5 (2.54)
    Tensile Modulus (XY-axis) ASTM D638 MPa As Received 1350/1220
    Physical Properties
    Density ASTM D792 g/m(3) As Received 2.7
    Moisture Absorption IPC-TM-650 2.6.2.1 % D48/50 0.05
    Flammability UL-94 - - V-0
    Lead free process compatible - - YES
    IPC-4103 - - - /07

    All test data provided are typical and not intended to be specification values.

    Download TDS Datasheet