| abstract |
A variety of products and devices using conductive nonwoven webs are provided. Products and devices include RFID systems, radio frequency shielding systems, flexible electronic circuit components, heating elements, antennas, electromagnetic energy shielding, membrane switches, keypads, and packaging systems. In one embodiment, the conductive nonwoven web contains conductive carbon fibers in combination with pulp fibers and / or synthetic fibers. An electrical path is formed in the conductive material using ultrasonic energy. The electrical path can be used to produce a variety of electronic devices. |