Pyraluxâ Flexible Circuit Materials

Material selection is determined by the combination of the electrical mechanical bend requirements and cost considerations of a specific design.

Pyraluxâ flexible circuit materials.

17 35 and 70um. Selecting the optimum flex circuit board material is a key element to the success of a flexible circuit design. Copper can be an ideal material when deposited in a manner that is compatible with the flexible circuit manufacturing process which is often done on roll to roll equipment. Dupont s expertise in polymer chemistry has made its line of pyralux laminates the industry leader in flexible circuit materials for over 30 years.

Flexible circuits pose unique challenges for metallization. Product manager adhesiveless products 4 03 evaluation testing thermal cycling peel strength performance thermal cycling has been established as one of the standard accelerated aging test methods to assess functional reliability throughout the industry. Pyralux flexible circuit materials pyralux flexible circuit materials dupont offers a comprehensive industry leading portfolio of pyralux flexible circuit materials and systems designed to meet today s and next generation design challenges. Today pyralux boasts a diverse portfolio designed to meet the various flexible circuit needs of consumers in the telecommunications defense automotive aerospace and medical industries.

Dupont pyralux lf b is dupont kapton b black polyimide film coated with acrylic ideal for products where uniform matte black appearance is desired. Pyralux lf b provides a uniform aesthetically pleasing appearance to flexible printed circuit materials. Pyralux tk copper clad laminate and bonding film system. Pyralux laminated composites are typically used to produce high reliability high density circuitry of flexible rigid flex and all flexible multilayer constructions.

A wide variety of materials and configurations are available to address the needs of today s design applications. It is ideal for use in rigid flex and multilayer flex applications which require advanced performance such as low dissipation loss for high speed high frequency thermal resistance and high reliability. The coverlay is made with the leading dupont kapton brand black polyimide film for high performance applications where matte black material enhances design aesthetics. 12 25 50 75 and 125um.

Adhesiveless adhesiveless materials manufactured as either cast dielectric on copper or sputtered copper on dielectric film. Pyralux lf flexible circuit materials excellent automotive fluids reliability. The tight bending radii present in many design configurations require flexible metal layers with high electrical conductivity. Available with ra dt ra and ed coppers.

These materials have gained popularity for several reasons. Dupont pyralux ap is an all polyimide double sided copper clad laminate that has excellent thermal chemical and mechanical properties. Dupont pyralux tk is a fluoropolymer polyimide composite double sided copper clad laminate and bondply ideal for high speed digital and high frequency flexible circuit applications.