Patent ID: 8884164

Claim:
A circuit board assembly comprising: a flexible circuit board comprising a first surface; a copper plating layer positioned on the first surface, the copper plating layer comprising a circuit portion and a grounding portion; a dielectric layer, the circuit portion entirely covered by the dielectric layer, the grounding portion exposed outside the dielectric layer, the dielectric layer comprising a bonding portion, the grounding portion surrounding the bonding portion; a conductive adhesive; and a reinforcing plate comprising a connection surface connected to the bonding portion, the connection surface defining a cavity spatially corresponding to the bonding portion, the connection surface also comprising an extending portion which is bulgy with respect to a bottom surface of the cavity, the extending portion spatially corresponding to the grounding portion, the bonding portion received in the cavity with the extending portion in contact with and electrically connecting to the grounding portion by means of the conductive adhesive.