Patent ID: 6384471
Filing Date: 2002-05-07
Classification: H01L

Abstract:
An integrated circuit package of the â€œcavity downâ€  type, comprising a first cavity (2), an integrated circuit (3) mounted in said first cavity, the integrated circuit having an active surface (10) electrically connected to the package by connecting wires (11i) on a level of connection (Nc) of an array of balls (13i), said ball array providing a mechanical and electrical link between the integrated circuit (3) and a printed circuit card to which the package must be assembled, characterized in that it further comprises a rigid and electrically neutral grid (14) having through holes 15i, said grid (14) being attached to the level of connection (Nc) of the integrated circuit (3) and the balls (13i), and the grid holes (15i) being large enough to contain the balls with a pre-established clearance.