Method for providing flexible circuit using discrete wiring

Details Method for providing flexible circuit using discrete wiring Method for providing flexible circuit using discrete wiring

2006-02-21

2006-02-21

Trinh, Minh (Department: 3729)

Metal working

Method of mechanical manufacture

Electrical device making

C029S843000, C029S850000, C029S857000, C174S1170FF, C174S254000, C361S749000, C361S809000

Reexamination Certificate

active

07000314

ABSTRACT:
A method for providing electrical signal transmission and a secure mechanical attachment in a flexible circuit assembly. The inventive mechanism combines the electrical features of discrete wiring with the mechanical features of etched pads connected to plated vias on flex circuits in order to achieve robustness in both the mechanical and electrical properties. A discrete wire is preferably securely bonded to a conductive pad which pad is then securely attached to a plated via. In this manner, the sequence of connections is made mechanically secure by either ultrasonically bonding or welding the discrete wire to the pad and employing the traditionally robust connection between the pad and the via. The arrangement achieves high quality electrical signal transmission by employing discrete wiring for signal transmission along any path of significant length.

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