Patent ID: 6239366
Filing Date: 2001-05-29
Classification: H01L

Abstract:
A face-to-face multi-chip package, comprising:a leadframe, comprising at least a die pad and a plurality of leads, the leads further comprising a plurality of inner leads and a plurality of outer leads;a plurality of chips, each having a surface comprising a plurality of pads, the chips being disposed such that the surface comprising the pads are face to face, wherein the chips are stacked into an upper chip layer and a lower chip layer each of the chip layer having outer edges and comprising at least one chip, such that the chips of each chip layer are mounted side-by-side, the chip layers being disposed on the die pad;a plurality of bumps, formed on the pads to electrically connect the chips, wherein a part of the bumps alone are directly connected to the inner leads that approach proximately to the outer edges of one chip layer, without using any bonding wires or conductors; andan insulation material, fully or partially sealing the die pad, the chips and the inner leads.