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

Abstract

The invention discloses an integrated circuit full-wave electromagnetic simulation method and system based on different dielectric characteristics, and the method comprises the steps: firstly obtaining the layer dielectric material information of an integrated circuit, and determining the dielectric characteristics of the integrated circuit about the conductivity, the magnetic conductivity and the dielectric constant based on the layer dielectric material information; then, judging a medium type of the integrated circuit about loss and frequency dispersion characteristics based on medium characteristics, and establishing a matrix equation corresponding to the medium type based on a grid subdivision result obtained after grid subdivision is performed on a parallel plate field domain of the integrated circuit; calculating a reference frequency point and a field solution of the integrated circuit by an iteration method based on the matrix equation, then for a to-be-solved frequency point lower than the reference frequency point, acquiring a field solution under the to-be-solved frequency point by a mode corresponding to the medium type, and finally, acquiring a full-band electromagnetic response based on the field solutions of all the to-be-solved frequency points. Corresponding integrated circuit full-wave electromagnetic simulation schemes can be provided 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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