Efficient three dimensional extraction

Details Efficient three dimensional extraction Efficient three dimensional extraction

1998-07-16

2000-04-18

Teska, Kevin J.

Data processing: structural design, modeling, simulation, and em

Electrical analog simulator

Of physical phenomenon

703 13, 342196, 367135, G06F 1750

Patent

active

060510277

ABSTRACT:
A layered structure is divided into a plurality of regions. Transmission line equivalents (Green's functions) in the spectral domain are formed between all regions within the layered structure. The spectral domain Greens' function are converted to the spatial domain using a near field and a far field computed for those regions part of a component within the layered structure. The far field is extracted from a compressed database computed from the transmission line equivalents and descriptive of the layered structure. The near field is computed using a prioritization mechanism. Priority is assigned in accordance with the amplitude of a source and the length of the path between regions of interest.
Once the physical characteristics of the layers used in the fabrication process of the IC are identified, the database used for computation of the far field is compiled and compressed, and remains unchanged for each new parameter extraction. Thus, compressed, layered Green's functions in the database decouple the computation of the far field from the layer structure and circuit geometry, minimizing computation time.

REFERENCES:
patent: 5471435 (1995-11-01), Marschall
patent: 5588032 (1996-12-01), Johnson et al.
patent: 5625578 (1997-04-01), Du Cloux et al.

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