Abstract: A flexible circuit incorporating an electrostatic discharge limiting feature, comprising a dielectric substrate selected from polyimide or liquid crystal polymer film having at least one conductive trace coated on at least one surface of the substrate wherein the discharge limiting feature includes a thin conductive polymer coating selectively applied over a at least a portion of the non-critical region of the circuit, said feature reducing the surface resistivity of the circuit to about 104 ohms to about 108 ohms and having tribocharging of less than about 50 V.
Type:
Grant
Filed:
July 22, 2004
Date of Patent:
November 14, 2006
Assignee:
3M Innovative Properties Company
Inventors:
John B. Scheibner, Ke Zhang, Chee Tat Ee, Juang Meng Mok, Yong Peng Lee