DCON26_SLIDES_Track04_AnImprovedBroadbandMaterialCharacterizationMethod_49_101.pdf

1、Welcome to ConferenceFebruary 2426,2026Santa Clara Convention CenterExpoFebruary 2526,2026 1An improved broadband material characterization methodFeng-Nan(Leon),Wu,(Samtec)Xingling(Mick),Zhou,(Samtec)Feng-Nan(Leon),Wu,(Samtec),Xingling(Mick),Zhou,(Samtec)Tony,Chen,(Samtec)2ImageSPEAKERSFeng-Nan(Leon

2、),WuSignal Integrity(SI)R&D Engineer,SamtecL|https:/ Wu has 21 years of industry experience as an SI engineer having worked at FCI,Flextronics and Samtec.He received his Ph.D.from the National Taipei University of Technology in 2013.Leon works in the SI lab at Samtec Taipei and Dongguan facility whi

3、ch focus on connector measurements.He also performs full wave simulations which support research efforts.He has 6 patents related to connector/footprint design.3 Background/Introduction Challenges of traditional NRW/NIST techniqueso Methodo Practical issues Propagation Constanto Dependencies Conduct

4、ivity and plating Geometric Proposed correction methodo Correct method(Remove dependencies)How does it work?o Time-Domain Gatingo in NRWo in the Improved MethodObjective4 Accurate extraction of dielectric properties(Dk,Df)o Asymmetric airline,Time domain gating requirement o DOE design on dielectric

5、 Experimental validationo Sanity check in time and frequency domainso Correlation with the results from Swissto12 MCK 112Gbps,224Gbps,heavily relied on simulation and correlation.inaccurate Input may cause design fails.(data sheets,experience,products-correlations.)Correlate all parameters(size,manu

6、facturing tolerance,process,material,etc.)in one design are mostly impossible.Simplify the correlation-method to separate the parameters.Background5 Measurement techniques:T/R line(coax and waveguide)NRW/NIST Open-ended coaxial probe Free space Resonant MethodMaterial Characterization6Challenges of