Engineering Philosophy

A First-Principles Worldview

Every high-speed trace, power plane, and component package is governed by classical electrodynamics. We look past software defaults and layout rules to solve hardware defects where the physics lives: in structural geometry, material science, and electrodynamics.

For over five decades, our approach has been guided by one principle: physical hardware fails in unmanaged outliers. Commercial Electronic Design Automation (EDA) software tells you what happens under ideal or averaged conditions, but it routinely misses the complex, multi-variable intersections of material physics, thermodynamics, and electromagnetic field behaviors. Our philosophy is anchored in diagnosing, predicting, and eliminating these physical anomalies before they compromise critical systems. 

Overcoming the “Software Illusion”

  • Multi-Frequency Dynamics: True hardware reliability cannot be verified using narrow, idealized models. High-frequency electrodynamics require a broadband, multi-frequency perspective to capture true transmission line loss, skin effect depth (δ(ω)), and dielectric dispersion.
  • Strict Kramers-Kronig Causality: Legacy surface models define frequency-dependent losses without updating the phase response, violating Kramers-Kronig causality relations. When solvers implement these non-causal models in broadband sweeps, non-physical artifacts corrupt transient simulations—producing artificial time-domain pre-ringing and incorrect group delay calculations.
  • Closing the Diagnostic Gap: Where automated EDA tools output ideal readouts, we audit the underlying wave equations to expose unmonitored hardware vulnerabilities.

The Crystalline Layer

  • Micro-Topography Realities: We do not view physical interconnects, substrates, or silicon packages merely as collections of two-dimensional lines on a screen. We evaluate conductor traces, micro-vias, and package interconnects as dynamic, 3D crystalline structures subject to grain boundaries, microscopic surface roughness orientation, and electro-chemical variations.
  • Multi-Variable Anomaly Explosion: Non-uniform surface foil and metallization variations combined with non-causal dielectric shifts (e.g., fiber-weave effect, substrate anisotropy) and transient power distribution network (PDN) ripple create an exponential explosion of potential failure modes.
  • The Physics Advantage: Structural asymmetry destroys the physical symmetry of high-speed transmission lines, causing common-mode rejection ratio (CMRR) failures and unintended energy conversion. We evaluate hardware through the lens of atomic, lattice, and material behavior to predict physical outliers pre-manufacturing.

The Measurement Paradox

  • De-embedding Probing Interference: Bench measurements alter the device under test (DUT). Every probe tip, coaxial cable, and return path introduces parasitic inductance, capacitance, and ground loops. We de-embed measurement artifacts to reveal true hardware performance.

EMSEC Foundation

  • Physical Boundary Control: At speeds exceeding 122G/224G+, the physical boundary of EMSEC has collapsed from facility-level shielding down to the microscopic substrate, power distribution network (PDN), and silicon package. Rather than relying on heavy, high-loss external enclosures, we engineer electromagnetic boundary containment directly into trace geometries and substrate packaging—eliminating structural RF leakage at the source.

High-Dimensional Field Visualization

  • Parallel Spatial Processing: While standard workflows analyze serial simulation sweeps, our analytical practice evaluates multi-variable field topologies in parallel.
  • 3D Field Mapping: Real-world electromagnetic energy propagates as continuous 3D field distributions. We map field compression, impedance mismatches, and energy leakage across complex substrate geometries.
  • Deterministic Execution: We translate complex visual field patterns into direct, linear layout directives that stabilize physical designs and lock in hardware security.

    Industry Endorsement

    “Larry is a very experienced and knowledgeable signal integrity engineer. He is very meticulous in his work. He does not just use anecdotal information; rather he understands all the underlying principles when working on designs or forming recommendations.”
    — Mark Craven, Senior Manager of Engineering, QLogic Corporation