Patent ID: 6213806
Filing Date: 2001-04-10
Classification: H05K

Abstract:
In an IC socket in which a pressure cover is disposed so as to be opened and closed with respect to a socket body so that when the pressure cover is closed, an IC package mounted on the socket body is pressed, said pressure cover being provided with a heat sink and a heat of the IC package is radiated therefrom through a press-contact of said heat sink to the IC package,the improvement in which said pressure cover is formed with a heat sink receiver on an inner surface side to the socket body so as to receive the heat sink and a holding member is disposed on an inner surface side of the pressure cover to be detachable so as to detachably hold the heat sink between the heat sink receiver and the holding member,said holding means being provided with a pin projecting toward the pressure cover, said pressure cover is formed with a through hole through which said pin penetrate, said pin having a front end projecting over the through hole, and said projected end of the pin is fixed by a fallout prevention means formed on an outer surface side of the pressure cover, said fallout prevention means comprises lock shim means engageable with the front end of the pin, anda pair of said pins being located, each of the projected front end of said pins being formed with an engaging groove, and said lock shim means comprising a single lock shim member being composed of a pair of engaging pieces and an operation piece connecting both the engaging pieces, each of said engaging pieces being formed with a slot with which the engaging groove of said pin is engaged.