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Pyralux® Flexible Circuit Materials

At the forefront of the industry for decades, DuPont™ Pyralux® continues to be the laminate of choice for the advanced flex circuitry required in today’s demanding display applications. Offering unrivaled material and deployment flexibility combined with excellent dimensional stability and high modulus clads, DuPont™ Pyralux® enables the cost-effective and reliable manufacture of both traditional and innovative new display technologies.

Anatomy of a Display Flexible Circuit

Display Flexible Circuit

Pyralux® flexible circuits offer the following advantages over tape automated bonding (TAB) for driver circuits for LCDs, OLEDS, and PDPs:

  • Flexibility of materials to allow 3-dimensional designs
  • Offered in many surface treatments to support a wide array of interconnect technologies
  • Accommodates support stiffeners for component assembly and termination interconnects
  • Manufactured in single-sided, double-sided and multilayer combinations for maximum design freedom
  • Capable of small volume manufacturing to assist in prototyping yet scalable for mass production

Features and Benefits

  • Non-adhesive substrate available in thicknesses as low as 20µm for maximum flexibility
  • High bond strength with thinner copper for high reliability
  • Copper foil weights from 9 to 18µm
  • High modulus clads for reliable wire bonding for Chip-on-Flex (COF) circuits
  • Low modulus photoimageable coverlay for easy assembly
  • Excellent dimensional stability for reliable anisotropic conductive material (ACM) bonding
  • High heat resistance and low moisture absorption for blister-free high temperature processing
  • Strong bond strengths to adhesives for robust stiffener attachment
  • Halogen-free
  • Available in a wide array of form factors for manufacturing flexibility
    • Pyralux® AC : Single-sided roll form with a web size up to 500mm
    • Pyralux® AX : Double-sided sheet form with a width size up to 24"

For additional information on how Pyralux® can reliably increase your design freedom and improve your operating efficiencies, please contact your regional representative.