Pyralux® HT

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Pyralux® HT high temperature polyimide bonding film


Pyralux® HT high temperature polyimide bonding film features a thermoplastic polyimide composition that is suitable for application either as a coverlay to protect surface circuitry or bond ply for multilayer flex and rigid-flex applications. This stand-alone film exhibits low loss characteristics for high performance applications. Pyralux® HT can be used in conjunction with all-polyimide Pyralux® clads to afford a robust circuitry solution for applications requiring high operating temperature performance, excellent signal integrity, and high reliability.

Features & Benefits

  • > 225 °C IPC service temperature when used as bond ply with Pyralux® AP double-sided copper-clad laminate
  • Low loss dielectric composition
  • Excellent thermal resistance from polyimide dielectric

Applications

  • High temperature flex and rigid flex circuits
  • Multilayer flex bond ply applications
  • Flex coverlay for surface circuit protection
  • Low loss, high signal integrity interconnects
  • High reliability all polyimide constructions

Pyralux® HT Technical Documents

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    Pyralux® HT Product Series Properties

    Property Group Property Name Value Test Method
    Dielectric Dielectric Constant (Dk) 10GHz 3.2 ASTM D2520 / IPC-TM-650 2.5.5.3
    Dielectric Constant (Dk) 1MHz 3.2 ASTM D2520 / IPC-TM-650 2.5.5.3
    Dielectric Strength (V/μm) 161 - 275 ASTM D149
    Loss Tangent (Df) 10GHz 0.0015 ASTM D2520 / IPC-TM-650 2.5.5.3
    Loss Tangent (Df) 1MHz 0.0015 ASTM D2520 / IPC-TM-650 2.5.5.3
    Environmental Moisture Absorption (%) 0.8 IPC-TM-650 2.6.2
    Mechanical Elongation at Break (%) 170 IPC-TM-650 2.4.19
    Tensile Modulus (Gpa) 2.8 IPC-TM-650 2.4.19

    Pyralux® HT Product Properties

    Property Name Form Factor Package Adhesive Type Adhesive Thickness (μm) Adhesive Thickness (mil)
    HT0100 Bonding Film Roll Polyimide 25.0 1.0
    HT7049 Bonding Film Roll Polyimide 38.0 1.5
    HT0200 Bonding Film Roll Polyimide 50.0 2.0
    HT0300 Bonding Film Roll Polyimide 75.0 3.0