• VT-464GS Laminate/Prepreg

    UL Approval: E214381 Version: Preliminary1 23/09/2019 /130

    General Information

    • Halogen Free & High Tg
    • Low Dk & Very Low Loss
    • Excellent Thermal Reliability
    • High modulus & Low CTE
    • Suitable for CSP, Flip Chip Package, SIP, BGA&PGA, etc

    Application

    Handheld equipment, High Frequency & High Speed, Satellite communication, Navigation, GPS, LTE, etc

    Availability

    • Core Thickness: 0.002” (0.05mm) to 0.031” (0.8mm), available in sheet or panel form
    • Copper Foil: 1/7oz to 2oz
    • Prepregs are available in roll or panel form, thickness 0.02~0.1mm
    Properties Prepreg Laminate
    Storage Condition Temperature Below 23°C (73°F) Below 5°C (41°F) Room
    Relative humidity Below 55% RH / /
    Shelf Life 3 months 6 months 24 months (airproof)

    The prepreg exceeding shelf life should be retested.

    Properties Sheet IPC-4101E /130

    Properties Test Method Units Specification Typical Value
    Thermal Properties
    Tg TMA IPC-TM-650 2.4.24 °C 170 minimum 260
    DMA IPC-TM-650 2.4.24.4 °C - 300
    Td ASTM D3850 °C 340 minimum 450
    T260 IPC-TM-650 2.4.24.1 Minute 30 minimum >60
    T288 IPC-TM-650 2.4.24.1 Minute 15 minimum >60
    Thermal Stress @ 288°C IPC-TM-650 2.4.13.1 Second Pass 10s >600
    Z-axis CTE Before Tg IPC-TM-650 2.4.24 ppm/°C 60 maximum 20
    After Tg IPC-TM-650 2.4.24 ppm/°C 300 maximum NA
    Total Expansion (50~260°C) IPC-TM-650 2.4.24 % 3.0 maximum 0.8
    X-Y CTE IPC-TM-650 2.4.24 ppm/°C - 6~8
    MOT UL 94 °C - 130
    Electrical Properties
    DK (RC 70%) @ 2GHz Cavity Resonator - 5.2 maximum 3.5
    DF (RC 70%) @ 2GHz Cavity Resonator - 0.035 maximum 0.005
    Volume Resistivity After Moisture Resistance IPC-TM-650 2.4.17.1 MΩ-cm 1.0E+4 minimum 5.0E+8
    E-24/125 IPC-TM-650 2.4.17.1 MΩ-cm 1.0E+3 minimum 5.0E+6
    Surface Resistivity After Moisture Resistance IPC-TM-650 2.4.17.1 1.0E+4 minimum 5.0E+7
    E-24/125 IPC-TM-650 2.4.17.1 10E+3 minimum 5.0E+6
    Electrical Strength IPC-TM-650 2.5.6.2 Volt/mil (KV/mm) 762 (30) minimum 1400 (55)
    Dielectric Breakdown IPC-TM-650 2.5.6 KV 40 minimum 60
    Comparative Tracking Index (CTI) ASTM D3638 Rating (Volt) - Grade 3 (175~250)
    Arc Resistance ASTM D495 Second 60 minimum 195
    Mechanical Properties
    Peel Strength (1oz) As received IPC-TM-650 2.4.8 lb/in (N/mm) - 7.5 (1.3)
    After thermal stress IPC-TM-650 2.4.8 lb/in (N/mm) 4.57 (0.80) minimum 7.5 (1.3)
    Flexural Modulus Warp IPC-TM-650 2.4.24.4 GPa - 30~31
    Fill IPC-TM-650 2.4.24.4 GPa - 30~31
    Physical Properties
    Moisture Absorption IPC-TM-650 2.6.2.1 % 0.80 maximum 0.15
    Flammability UL-94 Rating V-0 minimum V-0

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

    Published on: 23/09/2019

    Download TDS Datasheet