edfas.org 7 ELECTRONIC DEVICE FAILURE ANALYSIS | VOLUME 27 NO. 1 Robert Chivas is currently a research scientist at L3Harris. His previous work at Varioscale helped pioneer the true 5-Axis Adaptive CNC Mill for grinding and polishing integrated circuits. Over that time, he has gained extensive experience preparing integrated circuits and packages of all types for semiconductor failure analysis and FIB based circuit edit. Chivas also has broad experience in the fields of semiconductor materials, photonics, optics, and fiber optics. He has published more than 11 papers and one patent covering sample preparation, photonics, and nanotechnology. Ata Tafazoli Yazdi is the lead software engineer at Varioscale Inc. He is currently focused on developing software for failure analysis tools targeting multi-die integrated microsystems. He received his B.S. in computer science from the University of California, San Diego in 2020. Jonathan Sheeder is the production manager at Varioscale Inc. He is responsible for engineering development, production, and product support across the full range of Varioscale systems. He previously worked at General Atomics in San Diego as a research and development engineer across several projects including bioreactor fuels and ceramic composites for nuclear energy applications. He graduated from the University of California, San Diego with a degree in chemical engineering. Scott Silverman, president and founder of Varioscale, earned his BSEE from Rensselaer Polytechnic Institute. Silverman has extensive experience in the design, development, and commercialization of semiconductor capital equipment. He was the principal investigator (PI) for the IARPA funded Rapid Analysis of Various Emerging Nanoelectronics (RAVEN) project for the Varioscale team. He was also the PI for the IARPA Circuit Analysis Tool (CAT) project that developed backside sample preparation tools.
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