Method and system for improving aerial image simulation speeds

Details Method and system for improving aerial image simulation speeds Method and system for improving aerial image simulation speeds

2008-07-29

2008-07-29

Chiang, Jack (Department: 2825)

Computer-aided design and analysis of circuits and semiconductor

Nanotechnology related integrated circuit design

C716S030000

Reexamination Certificate

active

07406675

ABSTRACT:
A method and system for improving aerial image simulation speeds. The method includes receiving a mask; generating a matrix of node values based on the mask, wherein each node value corresponds to a node of a plurality of nodes in a lattice; performing a one-dimensional (1-D) approximation of a plurality of first approximation values at corresponding first approximation points between pairs of nodes of the plurality of nodes; performing a two-dimensional (2-D) approximation of second approximation values at corresponding second approximation points between pairs of first approximation points, wherein Chebyshev polynomials are used to approximate the first approximation values and the second approximation values. According to the method and system disclosed herein, approximating values using Chebyshev polynomials results in high-resolution aerial images that are generated at faster speeds.

REFERENCES:
patent: 2006/0245660 (2006-11-01), Hung

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