PCIe High Speed Channel Scattering Parameter Extraction and Link Margining
Extracting calibrated S-parameters through fixture de-embedding enables statistical eye margining to guarantee bit error rates below specification limits.
Ultra Smooth Foil Interface Mechanics in Multilayer Board Lamination
Ultra-smooth foil lamination trades mechanical tooth for chemical bonding, demanding tightly controlled press viscosity windows to avoid delamination.
Modeling Phase Delay Instability from Thermal Dielectric Drift in PAM4 Substrate Stackups
Dynamic thermal gradients alter substrate permittivity, causing severe phase delay skew and PAM4 eye closure unless mitigated by ultra-flat glass and low-drift resins.
Quantifying Hygrothermal Permittivity Tensor Drift in High-Speed Differential Transmission Lines
Quantify anisotropic permittivity drift by extracting tensor components across environmental chambers to preserve differential impedance and phase margins.
Spread Glass Fabric Selection and Skew Mitigation in Printed Board Manufacturing
Selecting mechanically spread glass fabric and enforcing multi-ply laminate construction mitigates intra-pair differential skew without panel rotation costs.
Dielectric Permittivity Modulations inside Mechanically Spread Glass Fabrics
Mechanically spread glass fabrics flatten yarn bundles to eliminate resin-rich windows, stabilizing relative permittivity and preventing high-speed differential skew.