Angel Gonzalo Soto

Research and Development Intern @Sandia National Laboratories

Albuquerque, NM, US

Measured pre- and post-CMP efficiency, targeting 50% density to remove 9 microns from wafers with varying densities on a die.• Developed demo chips using gdstk and Shapely polygons, converting masks into local density maps.• Created a Python elliptical 2D filter to simulate CMP interaction.• Successfully created CMP algorithms achieving 1% and 10% deltas, with performance times of 20 sec and 190 msec.• Worked on Cu ECD for 62.5 μm TSVs in 625 μm silicon, using CuSO4-H2SO4 electrolyte with suppressor and low chloride, and a stepped potential waveform. and conducted 15 experiments to optimize Cu features and identify a novel endpoint detection method.• Developing a third algorithm using Monte Carlo, targeting 0.1% accuracy and 0.05 sec processing time.• Presented research results in a poster, showcasing methodologies and findings.• Conducted electrical testing on daisy-chain indium test vehicles to determine IV characteristics and quantify bond quality.• Analyzed IV plots from 7 different dies, each tested with approximately 500 measurements to assess bonding quality.•Achieved over 90% yield across various bonding conditions, identifying no systematic issues during the bonding process.•Utilized statistical methods, including Poisson distribution, to model the probability of bond failures in daisy chains.•Developed automated methods for assessing connectivity of bond chains, enhancing efficiency in yield analysis.•Identified optimization opportunities for dwell time and ramp rate adjustments to improve bonding outcomes.•Presented research findings in a formal poster at Sandia National Laboratories, detailing methodologies and results.

Colegio de Bachilleres del Estado de Chihuahua Plantel 6

High School Diploma

The University of Texas at El Paso

Master of Science - MS

The University of Texas at El Paso

Bachelor of Applied Science - BASc

El Paso Community College

Associate of Science - AS