Patent ID: 6914445

Claim:
A modular socket for testing an integrated circuit, comprising: a base unit having a base, a plurality of contact terminals in disposed on said base wherein a pin of said plurality of contact terminals is extended out of said base to fasten with a test circuit board; an interposer having a plurality of copper poise packing pieces on an underside thereof, said interposer being detachably mounted on a top side of said base unit such that said plurality of copper poise packing pieces are in intimate contact with a top end of said plurality of contact terminals, said interposer further comprising a plurality pin holes as a predetermined position wherein said pin holes are connected to said plurality of copper poise packing pieces by a bonding wire, a POGO pin unit detachably fastened on top of said interposer and comprising a cover and a plurality of elastic pins disposed in said cover with a spring fitted thereover, each of said plurality of elastic pins having an upper contact pin and a lower contact pin, said upper contact pin being jutted out of an upper side of said cover, and said lower contact pin being jutted out of an underside of said cover to come in contact with one of said pin holes of said interposer, an adapter unit having an adapter seat detachably fastened to a top surface of said POGO pin unit and comprising a hollow seat configured and dimensioned to accommodate the integrated circuit being tested, said upper contact pins of said elastic pins of said POGO pin unit being extended into said hollow seat of said adapter seat to come into contact with pin tin balls of the integrated circuit, said hollow seat having a frame for retaining said integrated circuit securely.