METHOD AND SYSTEM FOR ATTACHING FLEXIBLE CIRCUITS TO A MOUNTING SURFACE

摘要

A method and system for securing a flexible circuit to a mounting structure is disclosed. The system can include a surface-mount device, flexible circuit, stiffener, and bracket. The stiffener is used as an intermediate coupling device between the flexible circuit and bracket. The flexible circuit is coupled to the stiffener with a heat-activated adhesive. Next, the surface-mount device is mounted to the flexible circuit with surface-mounting techniques. A peripheral area of the stiffener is then welded to the bracket. The bracket in turn can be fastened to the enclosure of an electronic device.

主权项

1. A method for securing a flexible circuit to a mounting structure within an electronic device, the method comprising:
coupling a securing element to a first surface of the flexible circuit using a heat-activated adhesive; soldering a surface-mount device at a central portion of a second surface of the flexible circuit, the second surface opposite the first surface, and laser welding the securing element to the mounting structure along a periphery of the securing element, wherein the laser welding operation does not reflow solder used to attach the surface-mount device to the second surface of the flexible circuit, due at least in part to a distance between the periphery of the securing element and the solder.