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Decompositional Analysis of Copper Roughness Effect and Complex Permittivity – Part II

Nicke Svee (Sr Specialist R&D, Ericsson AB)

Jun Wang (signal integrity engineer, Ericsson AB)

Davood Khoda (Signal Integrity design engineer, Ericsson AB)

Location: Ballroom E

Date: Wednesday, January 31

Time: 8:00am - 8:45am

Pass Type: 2-Day Pass, All Access Pass, Alumni All Access Pass - Get your pass now!

Track: 14. Modeling and Analysis of Interconnects

Audience Level: All

Format: 45-Minute Technical Session

Vault Recording: TBD

Audience Level: All

From VNA measured structures it's possible to decompose the structure, and extract the roughness correction factor and the complex permittivity by using the EBBE (Ericsson Broad Band Extraction) algorithm.
In this paper the extraction algorithm is thoroughly explained and shown.
Great emphasis is also put on explaining and modelling of the roughness correction factor.
The combination of models for conductor losses, roughness correction factor and dielectric losses are compared against both measurements and 3D solvers in both time domain and frequency domain.
The temperature effect on both copper and complex permittivity are shown and the moisture effect on complex permittivity.


Explanation of the deficiencies in the current most used extraction principles, models for roughness correction factor and the complex permittivity. Also the effects relative importance are shown.