Active solid-state devices (e.g. – transistors – solid-state diode – Lead frame
Patent
1991-05-09
1992-12-01
LaRoche, Eugene R.
Active solid-state devices (e.g., transistors, solid-state diode
Lead frame
257668, 257670, 257784, H01L 2160, H01L 2348
Patent
active
051683687
ABSTRACT:
An improved package for semiconductor chips, and method of forming the package are provided. The package includes a lead frame having a central chip bonding portion and first and second sets of interdigitaled fingers. The inner ends of the first set of fingers terminate at a distance from the central chip bonding portion closer than the inner ends of the fingers of the second set at fingers. A semiconductor chip, having input/output pads is bonded to the central chip bonding portion. A first set of wires directly couples respective input/output pads on the chip to the first set of fingers. A second set of wires couples respective input/output pads on the chip with the second set of fingers. Each of the wires of the second set of wires has a first segment extending from its respective input/output pad to an intermediate bonding region, and a second segment extending from the intermediate bonding region to its respective finger of the second set of fingers.
REFERENCES:
patent: 4754317 (1988-06-01), Comstock et al.
patent: 4989069 (1991-01-01), Hawkins
Gow, 3rd John
Noth Richard W.
International Business Machines - Corporation
LaRoche Eugene R.
Nguyen Viet Q.
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