Interra® HK04J

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Interra® HK04J embedded capacitor laminate


Interra® HK04J all-polyimide embedded capacitor laminate is designed to function as a thinner and more efficient power and ground planes in printed wiring boards (PWBs). This double-sided copper-clad laminate features an adhesive-less, all-polyimide dielectric layer that affords excellent resilience during processing and fabrication. Interra® HK04J is compatible with existing PWB processes, including double-sided processing and its thin design maximizes capacitance density, reduces inductance, and decreases board or package thickness.

Features & Benefits

  • Cost reduction via reducing surface mounted capacitors
  • Reduced inductance for efficient low noise power delivery
  • High initiation and propagation tear strengths provide superior handling and facilitate fabrication
  • Balanced and unbalanced constructions available

Interra® HK04J Technical Documents

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    Interra® HK04J Product Series Properties

    Property Group Property Name Value Test Method
    Dielectric Dielectric Constant (Dk) 1MHz 3.5 ASTM D2520 / IPC-TM-650 2.5.5.3
    Dielectric Strength (V/μm) 230 - 275 ASTM D149
    Loss Tangent (Df) 1MHz 0.005 ASTM D2520 / IPC-TM-650 2.5.5.3
    Electrical / Insulation Surface Resistance (Ω) >1x10^14 IPC-TM-650 2.5.17
    Volume Resistivity (Ω・cm) >1x10^16 IPC-TM-650 2.5.17
    Environmental Moisture Absorption (%) 0.8 IPC-TM-650 2.6.2
    Mechanical Elongation at Break (%) > 50 IPC-TM-650 2.4.19
    Tensile Modulus (Gpa) 6 IPC-TM-650 2.4.19

    Interra® HK04J Product Properties

    Property Name Form Factor Package Copper Thickness (μm) Copper Thickness (oz) Dielectric Thickness (μm) Dielectric Thickness (mil) 2nd Copper Thickness (oz) 2nd Copper Thickness (μm)
    HK04J2518 Embedded Capacitance Laminate Sheet 18 0.50 25.0 1.00 18 0.5
    HK04J7341 Embedded Capacitance Laminate Sheet 18 0.50 25.0 1.00 35 1
    HK04J7431 Embedded Capacitance Laminate Sheet 18 0.50 25.0 1.00 70 2
    HK04J2536 Embedded Capacitance Laminate Sheet 35 1.00 25.0 1.00 35 1
    HK04J7437 Embedded Capacitance Laminate Sheet 70 2.00 25.0 1.00 35 1
    HK04J7446 Embedded Capacitance Laminate Sheet 70 2.00 25.0 1.00 105 3
    HK04J2572 Embedded Capacitance Laminate Sheet 70 2.00 25.0 1.00 70 2
    HK04J25105 Embedded Capacitance Laminate Sheet 105 3.00 25.0 1.00 105 3
    HK04J1218 Embedded Capacitance Laminate Sheet 18 0.50 12.5 0.50 18 0.5
    HK04J7445​ Embedded Capacitance Laminate Sheet 18 0.50 12.5 0.50 35 1
    HK04J7427​ Embedded Capacitance Laminate Sheet 18 0.50 12.5 0.50 70 2
    HK04J7423​ Embedded Capacitance Laminate Sheet 35 1.00 12.5 0.50 35 1
    HK04J7447 Embedded Capacitance Laminate Sheet 35 1.00 12.5 0.50 70 2
    HK04J7420 Embedded Capacitance Laminate Sheet 70 2.00 12.5 0.50 70 2