Flexible Circuit Technologies, design and manufacturing

Flexible Printed Circuits

Materials

Aluminum on PEN Material

Double Sided Flex with PSA

Two Layer Flex with Flexible Solder Mask

3-Layer Flex .5 oz Copper Selective
Wire Bond Ni/Au Assembly & Heat Sink Bonding

Conductors
Copper is the most widely used conductor and comes in various thicknesses to meet each customer’s requirements. Conductor options include:

Rolled annealed (RA) copper
Electro deposited (ED) copper
Aluminum
Carbon
Silver ink
Inconel®
Constantan

Adhesives
Adhesive selection depends on customer needs and conductor thickness. Common adhesives include:

Epoxy
Acrylic
Pressure Sensitive Adhesives (PSAs)
Adhesiveless (base material)

Insulators
Flexible substrate (base) and coverlay materials are available in a variety of thicknesses and from several manufacturers. Common insulators include:

Polyimide
Polyester, PEN and PET
Solder mask
Flexible solder mask
Photo image-able coverlay (PIC)
Screen printed dielectric

Finishes
The final finish depends on each customer’s assembly requirements and the application of the finished product. Common finishes include:

Solder (Tin, Lead or RoHS compliant)
Tin
Immersion nickel/gold
Hard nickel/gold
Wire bondable gold
Organic (entek or OSP)
Silver
Carbon

Inconel® is a registered trademark of Special Metals Corporation

In summary, if you have flexible circuit design or flexible printed circuit board needs, we can help. For more in depth information, click on the links below:

Overview	Benefits	Materials	Capabilities	Types
Advanced Features	Applications	Design Help	RFQ	Links