Capacitor plate for substrate components
AssigneeHewlett-Packard Development Company, L.P.
InventorThane M. Larson
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Abstract
A method and apparatus to mount a capacitor plate to a substrate, under a component. One embodiment of the invention involves a method to assemble a capacitor plate on a substrate. A second embodiment of the invention involves a method to fabricate a capacitor plate. A third embodiment of the invention involves an assembled substrate with a capacitor plate on the second side of the assembled substrate, under an electrical contact area of a component on the first side of the assembled substrate.
Claims20
A method to assemble a capacitor plate to one side of a substrate having a first side and a second side, and a first electrical contact area on said first side, and a second electrical contact area on said second side, comprising:
- connecting a component to said first electrical contact area on said first side of said substrate;
- and
- connecting said capacitor plate to said second electrical contact area on said second side, opposite said first electrical contact area on said first side of said substrate.
A method to fabricate a capacitor plate, comprising:
- selecting a set of physical specifications of said capacitor plate;
- estimating an initial required capacitance for a plurality of contacts on said capacitor plate;
- modeling said capacitor plate after assembly on a substrate;
- estimating a more precise required capacitance for said plurality of contacts on said capacitor plate after modeling said capacitor plate after assembly on said substrate;
- and
- fabricating said capacitor plate according to said set of physical specifications.
An assembled substrate, comprising
- a substrate having a first side and a second side, and a first electrical contact area on said first side and a second electrical contact area on said second side;
- an electrical component having a plurality of leads electrically connected to said first electrical contact area of said substrate;
- and
- a capacitor plate electrically connected to said second electrical contact area on said second side of said substrate substantially opposite said first electrical contact area of said substrate.
Dependencies are inferred from the claim text.