Heterogeneous Substrate Core Lamination Dynamics and Resin Gradient Phase Extraction
Heterogeneous core lamination requires synchronized thermal ramps to align flow windows and prevent resin phase extraction along substrate interfaces.
Optimizing Press Thermal Profiles for High Density Interconnect Coreless Assemblies
Optimizing coreless HDI thermal profiles requires synchronized heating ramps, controlled viscosity dwell windows, and low-rate cooling to prevent warp.
Rheological Principles Governing High Frequency Laminate Stackup Lamination
Prepreg viscosity profiles under precise heating rates dictate resin fill, dielectric spacing, and internal layer registration in high frequency stackups.
Modeling Non-Linear Microvia Interface Separation Induced by Viscoelastic Dielectric Cure Strain Fields
Non-linear viscoelastic cure modeling predicts microvia target pad separation by coupling resin shrinkage to interfacial cohesive fracture energy.
Characterizing Dynamic Viscosity and Resin Cure Kinetics in High-Density PCB Prepregs
Dynamic prepreg viscosity and cure kinetics dictate resin flow windows, microvia filling completeness, and layer encapsulation during HDI board lamination.
Quantifying Structural Composite Matrix Degradation Caused by Organic Acid Flux Activators in Selective Soldering
Quantifying composite matrix degradation requires depth-resolved FTIR and nanoindentation to track silane debonding and Tg loss from unreacted acid flux.
Modeling Interfacial Shear Strain Effects on Broad-Band Anisotropic Tensor Creep under Thermal Excursions
Anisotropic tensor creep models prevent layer misregistration and microvia failure by accounting for glass weave shear strain under reflow thermal cycles.
Cyanate Ester Substrate Flexural Modulus and Strain Rosette Signal Loss
Cyanate ester flexural stiffness induces adhesive shear lag and interfacial microcracking, causing rosette signal loss and latent solder interconnect escapes.
Rheological Testing Conditions for Thin Prepreg Viscosity
Dynamic parallel plate rheometry under controlled 2 °C/min thermal ramps defines the minimum viscosity window for thin prepreg lamination success
High Frequency Laminate Rheology in Rigid Multilayer Stackups
High-frequency laminate rheology dictates prepreg flow kinetics, fixing pressed dielectric thickness, local impedance stability, and panel registration yield.