Extracting Substrate Temperature Dielectric Coefficients Using Split Post Resonators
Split post resonators extract substrate temperature dielectric coefficients by separating thermal expansion dimensional changes from intrinsic permittivity drift.
Predicting High-Frequency Directional Dielectric Permittivity Shift Caused by Press Thermal Gradient Variations across Multilayer Panels
Lamination thermal gradients alter local resin conversion and density, shifting high-frequency spatial dielectric permittivity and inducing channel skew.
Dielectric Constant Shift Tracking during Multi Pass Sequential Lamination Fabrication
Sequential lamination elevates core dielectric constant through resin cure advancement, requiring pass-specific permittivity modeling to protect target impedance.
Split Post Cavity Resonance Corrections for Anisotropic Substrate Core Permittivity
Split post cavity resonance measures in-plane substrate permittivity; z-axis core corrections prevent multi-ohm stripline impedance errors on woven glass panels.
Modeling Non-Isothermal Spatial Resin Displacement and Dielectric Relaxation in Advanced Packaging Substrates
Non-isothermal lamination gradients drive spatial resin displacement across uneven copper patterns, distorting local dielectric thickness and shifting high-frequency relaxation spectra.
Frequency Dependent Dielectric Anisotropy Modeling for Next Generation Heterogeneous Synthetic Quartz Reinforced Printed Substrates
Accurate millimeter-wave substrate modeling demands 3D tensorial permittivity and causal frequency dispersion to prevent impedance and differential skew errors.
Frequency-Domain Tensor Extraction for Multilayer Glass Core Build-Up Packages
Frequency-domain tensor extraction decouples directional permittivity and loss tangent variations on glass core build-up panels, fixing impedance tolerances across sub-THz interconnects.
Fundamentals of Directional Dielectric Permittivity in Multilayer Circuit Laminates
Directional dielectric permittivity variance in multilayer laminates requires evaluating in-plane and out-of-plane Dk tensors to prevent impedance errors.
Differential Phase Skew Mitigation through Spread Glass Prepreg Selection
Spread glass prepreg selection eliminates differential phase skew by flattening fiber bundles and reducing dielectric constant variations across signal paths.
Dielectric Constant Measurement and Prepreg Glass Weave Selection in Multilayer Board Design
Select spread-glass prepreg and extract dielectric constants from TRL transmission line measurements to eliminate weave skew and impedance errors.