資料來源 : Free On-Line Dictionary of Computing

Low Insertion Force
     
         (LIF) {PGA}/{SPGA} sockets with no handle.  The
        {integrated circuit} is simply pushed into the socket, and
        levered out to remove.  Most {motherboard} {processor} sockets
        are now {ZIF} rather than LIF.
     
        (1999-08-05)