Patent ID: 6232666
Filing Date: 2001-05-15
Classification: H01L

Abstract:
In a semiconductor package including a semiconductor die having a face and a plurality of pads thereon, an interconnect for establishing electrical communication with the die comprising:a polymer substrate bonded to the face comprising a plurality of first openings therethrough aligned with the pads, and a plurality of second openings therethrough in a selected pattern;a plurality of conductors on the substrate between the die and the substrate comprising first portions and second portions, the first portions overhanging the first openings in the substrate and comprising bonding vias therethrough aligned with the pads, the second portions aligned with the second openings;a plurality of metal bumps in the first openings and on the bonding vias bonding the first portions to the pads; anda plurality of external contacts in the second openings bonded to the second portions, the second openings configured to facilitate alignment of the external contacts to the second portions during bonding, and to provide electrical insulation for adjacent external contacts.