Chemically grafted electrical devices

Details Chemically grafted electrical devices Chemically grafted electrical devices

H - Electricity

05

K

H05K 1/09 (2006.01) H01R 13/03 (2006.01) H05K 3/10 (2006.01) H05K 3/32 (2006.01) H05K 3/38 (2006.01) H05K 3/40 (2006.01) H01R 13/658 (2006.01)

Patent

CA 2206643

An electrical device is provided having a conductive coating or layer (20) chemically grafted to a support structure (18) to produce a durable, conductive surface permanently attached to the underlying substrate material. The grafted layer (20) can be embodied in an electrical contact (16), and can also be embodied as electrical traces (72) and contact areas (66) of circuit board (60) and electrical and electronic devices and components. In another embodiment, the grafted layer (20) can be provided in an RFI/EMI shield or ground plane.

Un appareil électrique comporte une couche conductrice ou un revêtement conducteur (20) greffé chimiquement sur une structure de support (18) afin de produire une surface conductrice durable fixée à demeure sur le substrat sous-jacent. La couche greffée (20) peut se présenter sous forme de contact électrique (16) ou de rubans (72) et de zones de contact (66) pour des cartes de circuits imprimés (60) et pour des appareils et composants électriques ou électroniques. Dans une variante de l'invention, la couche greffée (20) peut servir de blindage contre les parasites et les interférences électromagnétiques ou haute fréquence ou de réseau de terre.

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