Semiconductor packaging with ground plane conductor arrangement
First Claim
Patent Images
1. A high power MOSFET semiconductor package comprising:
- (a) a ceramic substrate having a planar upper surface and opposite side edges;
(b) a MOSFET semiconductor die secured to said upper surface of said ceramic substrate;
said die including gate, source and drain areas and having connection pads on said gate, source and drain areas;
(c) a gate signal carrying conductor electrically connected to said connection pad on said gate area;
(d) a drain signal carrying conductor electrically connected to said connection pad on said drain area;
(e) ground plane conductors disposed one each side, and separated from, and parallel to each of said signal carrying conductors;
wherein each said ground plane conductor is electrically connected to said connection pad on said source area;
wherein said ground plane conductors are disposed in the same plane as said signal carrying conductors.
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Abstract
Packaging techniques are described which provide electrical, thermal, and mechanical advantages. A low-profile semiconductor package is described in which the leads are flat and are present in the same plane. The leads are arranged and positioned in order to eliminate inductance. A semiconductor die is secured to a ceramic substrate, and a plurality of bond wires are secured between the pads on the die and the leads of the package.
81 Citations
15 Claims
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1. A high power MOSFET semiconductor package comprising:
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(a) a ceramic substrate having a planar upper surface and opposite side edges; (b) a MOSFET semiconductor die secured to said upper surface of said ceramic substrate;
said die including gate, source and drain areas and having connection pads on said gate, source and drain areas;(c) a gate signal carrying conductor electrically connected to said connection pad on said gate area; (d) a drain signal carrying conductor electrically connected to said connection pad on said drain area; (e) ground plane conductors disposed one each side, and separated from, and parallel to each of said signal carrying conductors;
wherein each said ground plane conductor is electrically connected to said connection pad on said source area;wherein said ground plane conductors are disposed in the same plane as said signal carrying conductors. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification