Integrated circuit full-wave electromagnetic simulation method and system based on different medium characteristics

Abstract

This application discloses an integrated circuit full-wave electromagnetic simulation method and system based on different medium characteristics. The method first obtains the layer dielectric material information of the integrated circuit, and determines the electrical conductivity, magnetic permeability and dielectric strength of the integrated circuit based on the layer dielectric material information. Constant dielectric properties, and then based on the dielectric properties to determine the dielectric type of the integrated circuit with regard to loss and dispersion characteristics, based on the meshing results obtained after the parallel plate field of the integrated circuit is divided into grids, the establishment of a dielectric The matrix equation corresponding to the type, based on the matrix equation, the reference frequency point and its field solution of the integrated circuit are calculated through an iterative method, and then for the frequency point to be found that is lower than the reference frequency point, the frequency point to be found is obtained in a way corresponding to the medium type Finally, based on the field solutions of all frequency points to be obtained, the electromagnetic response of the whole frequency band is obtained. This method can provide corresponding integrated circuit full-wave electromagnetic simulation schemes for different types of media.

Description

technical field [0001] The present application relates to the technical field of electromagnetic simulation, in particular to an integrated circuit full-wave electromagnetic simulation method and system based on different medium characteristics. Background technique [0002] VLSI has an obvious multi-scale structure, and its scale ranges from centimeter level (10 -2 m) ~ nanometer (10 -9 m), with a scale range up to 7 orders of magnitude. On the other hand, the signals transmitted by integrated circuits often have the characteristics of full-wave transmission, and their transmission frequency range covers from DC to higher harmonic frequencies. This problem is particularly prominent in the application of integrated circuits for digital and mixed signal transmission. Therefore, for the electromagnetic field analysis of integrated circuits, full-wave electromagnetic field analysis is required, and a full-wave electromagnetic field solver is required to solve the electromagne...

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Problems solved by technology

[0008] Based on this, in order to solve the failure problem of the existing solvers in the low-frequency case of integrated circuits in lossless and non-dispersive media, the electromagnetic field of integrated circuits in the full frequency range including low frequencies can be obtained, and different media can be analyzed The integrated circuit of the characteristics carries out the accurate calculation and acquisition of the real solution, and the application discloses the following technical solutions

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