Patent ID: 8215998

Claim:
An electrical connector, for electrically connecting a chip module, comprising: (a) an insulating body, located below the chip module and opened with at least two rows of receiving holes arranged front and back in a staggered manner; (b) a plurality of solder balls, accommodated in the insulating body; and (c) a plurality of conductive terminals, each having a base fixed in the receiving hole, wherein an elastic arm is bent and extends upwards from the base, and the elastic arm has a contact portion for conducting the chip module upwards; wherein the bases of the conductive terminals of the same row are arranged in the same line, the contact portions of the conductive terminals of the back row do not exceed the line of the front row before the chip module presses the contact portions downwards, and the contact portions of the conductive terminals of the back row exceed the line of the front row after the chip module presses the contact portions downwards.