Patent ID: 7059870

Claim:
An IC socket, comprising: a package guide member including a package receiving part configured to arrange a semiconductor device where a plurality of external connection terminals are arranged in a single plane surface at a designated position; a contact terminal having a tip arranged so as to correspond to a position of the corresponding external connection terminal when the semiconductor device is received in the package receiving part where the external connection terminals are situated at a lower side; a contact terminal supporting member situated separately from the package guide member, the contact terminal supporting member being configured to support the contact terminal; a wiring member configured to electrically connect to the contact terminal; a position adjustment mechanism configured to adjust and fix the position of the contact terminal supporting member to the package guide member; and a wiring unit having an electrode as corresponding to the wiring member, the wiring unit being fixed to a testing wiring substrate; wherein the package guide member, the contact terminal, the contact terminal supporting member, the wiring member, and the position adjustment mechanism form a probe unit; the probe unit and the wiring unit are detachably provided; and the position adjustment mechanism adjusts and fixes a position of the contact terminal without disassembling the probe unit.