Data processing: structural design – modeling – simulation – and em – Simulating electronic device or electrical system – Power system
Reexamination Certificate
2007-10-02
2007-10-02
Rodriguez, Paul (Department: 2123)
Data processing: structural design, modeling, simulation, and em
Simulating electronic device or electrical system
Power system
C716S030000, C716S030000
Reexamination Certificate
active
10361043
ABSTRACT:
An adaptive subgridding method for power/ground plane simulations. The method includes superimposing a grid of cells onto a circuit plane. For each cell, the method may determine a fill ratio representing the amount of area in a given cell that overlaps with the circuit plane. For each cell having a fill ratio that is less than a predetermined upper limit or a predetermined lower limit the cell may be divided into a plurality of subcells. The method may then determine the fill ratio for each of the subcells. As with the original cells, each of the subcells having a fill ratio less than the predetermined upper limit and greater than the predetermined lower limit may be further subdivided into additional subcells. The loop may repeat itself until a predetermined integer value is reached, wherein the integer value indicates the number of times a cell may be subdivided.
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Blomberg Eric L.
Foltz Deborah
Laird Kenneth
Miller Jason R.
Novak Istvan
Heter Erik A.
Meyertons Hood Kivlin Kowert & Goetzel P.C.
Pierre-Louis Andre
Rodriguez Paul
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