POLYESTER DOME
MEMBRANE CIRCUIT

In a  Copper Flex Circuit, a very thin sheet of copper is first laminated to the flexible film substrate then chemically etched away, leaving copper traces.  The etching process is not as environmentally friendly and more expensive than screen-printing silver traces.

• Tactile Response
• Moisture Resistant
• Low Cost Alternative
• Embedded LEDs
• Fiber Optic Backlighting
• Electroluminescent Backlighting