Patent ID: 7577967

Claim:
A U-shaped flexible printed circuit including a first connecting portion, a second connecting portion, and a central portion for electrically connecting a disk tray to a chassis of an optical disk drive, wherein a first connecting end is integrally formed with the first connecting portion for electrically connecting to the disk tray, and a second connecting end is integrally formed with the second connecting portion for electrically connecting to the chassis, comprising: a base layer; a copper layer attached to the base layer by a first adhesive layer, having a plurality of separate electrical wires and a ground area; a cover layer having a cutout area, wherein the copper layer is attached to the cover layer by a second adhesive layer and the ground area corresponds to the cutout area; and a third adhesive layer for attaching the cover layer to the chassis of the optical disk drive, having a protrusion corresponding to the cutout area, wherein the third adhesive layer is electrically conductive and electrically connected to the ground area of the copper layer through the cutout area by the protrusion, wherein the second connecting portion of the flexible printed circuit is attached to the chassis by the third adhesive layer.