Semiconductor package having leads with step-shaped dimples

Details Semiconductor package having leads with step-shaped dimples Semiconductor package having leads with step-shaped dimples

1997-01-03

1998-11-10

Prenty, Mark V.

Active solid-state devices (e.g., transistors, solid-state diode

Housing or package

With contact or lead

257666, 257787, H01L 2348

Patent

active

058348379

ABSTRACT:
A semiconductor package includes a semiconductor chip having a plurality of bonding pads, and a plurality of wire contacts; a plurality of leads; a plurality or wires, and a resin molded over the majority of the package. The leads have substrate connecting portions and wire connecting portions. A first side of the substrate connecting portions of the leads connects to the bonding pads on the semiconductor chip. Second sides of the substrate connecting portions of the leads are exposed, i.e., they are not covered with the molding resin. The wires are connected between the wire connecting portions of the leads and the wire contacts on the semiconductor chip. The wire connecting portion of at least one of the leads may be split into at least two branches. In addition, grooves may be formed on the exposed portions of the substrate connecting portions of the leads so that the grooves are engageable with corresponding projections on a device upon which the semiconductor package will be mounted.

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