Patent ID: 7785126

Claim:
An electrical connector assembly, comprising: a printed circuit board; an insulative housing mounted upon the printed circuit board and having a receiving cavity for accommodating an IC package; a plurality of contacts disposed in the insulative housing; a retention module secured on the printed circuit board for restraining the IC package located in the receiving cavity of the insulative housing; and a backplate mounted below the printed circuit board, comprising a metallic base plate having a surface towards a backside surface of the printed circuit board and an insulative coating deposited onto the surface of the base plate so as to prevent the backplate from short circuiting electrical components mounted on the backside surface of the printed circuit board; wherein the retention module includes an insulative holder having L-shaped slots mounted on the printed circuit board and beside a front end of the insulative housing, a metal cover with pivot portions pivotally mounted in the L-shaped slots of the holder from an open position and a close position, and a fastener securing the cover to the printed circuit board in the close position; wherein the holder further includes two through holes at two ends thereof and two retainers received in the corresponding through holes, the two retainers and the fastener are fastened into corresponding retaining holes in the backplate after passing through the printed circuit board; and wherein thickness of the insulative coating is not more than 25 micrometer.