Patent ID: 6186216
Filing Date: 2001-02-13
Classification: H01L,H05K

Abstract:
An apparatus for removing a casting comprising a substrate and an array of columns extending therefrom from the corresponding openings of a mold comprising:a frame;a compression plate secured to said frame, said compression plate including an opening therein for receiving said substrate without interference;a mold containing a plurality of openings for casting a corresponding array of columns and bonding said columns to the underside of a substrate when said substrate is disposed on said mold;a stripper plate on said frame for receiving said mold, said stripper plate containing openings therein corresponding to at least some of the openings in said mold;an ejector assembly on said frame including a plurality of ejector pins extending therefrom, at least some of said ejector pins corresponding to openings in said mold and said stripper plate,at least one of said compression plate and said ejector assembly being movable on said frame toward the other to cause at least some of said ejector pins to engage cast columns in the mold openings and push the engaged cast columns and substrate out of said mold.