Prashanth Rengasamy Email & Phone Number

San Jose, CA, US

Milpitas, CA, US

• Led semiconductor product development team spanning design, device, quality & reliability, PETE, packaging, sales/marketing, supply chain and operations team from initial spec alignment through validation, xVT builds.
• Managed IO/logic design features & device feature roadmaps, DPPM, customer failures and other technical issues through product development cycle for large external customer in consumer electronics industry
• Managed SiP/MCP product builds with internal chips and customer’s ASIC controller for FW bring up and led debug of FW-HW issues during development
• Managed internal cross-functional team convergence plans with external customer’s system and firmware milestones to meet the product spec, budget and schedule requirements
• Managed documentation for product features through application notes and data sheets for external customer
• Saved $3M per year by improving the quality and schedule for application notes delivery for semiconductor memory products leading a global team involving design, verification, validation, characterization, device.

Boise, Idaho, US

• Led a cross-functional team of 75 engineers on 4 pathfinding programs to improve semiconductor processes, device performance, and wafer electrical yields from 0% to higher volume transfer
• Managed program issues through Confluence, JIRA and strategized improvement activities to meet schedule
• Led R&D and HVM fabs across technologies to implement an inline defect analysis method saving $2M per year
• Led 3 focus team meetings to reduce process yield loss by 70% on defects from etch, thin film and CMP processes
• Improved yield by 30% and achieved vendor process qualification through JMP data analysis and design of experiments
• Leveraged data mining and six sigma methods (root cause, FMEA, cause-effect analysis) to correct process excursions

Fremont, CA, US

• Managed 3 product’s process, design and product builds using multiple vendors’ parts from prototype to high volume
• Increased yield by 0.4% across products through SQL, JMP data analysis and defect analysis – MR&D team award
• Improved areal density capacity by 1% by developing and integrating new etch and film process – MR&D team award
• Improved HGA scrap loss at electrical testing by over 20% using design of experiments and six sigma methods
• Led cross-functional team across USA and Thailand for contamination control in sliders and HGA processes
• Identified 3 new defects through failure analysis and set up containment actions, and predicted defects using MATLAB

Pittsburgh, PA, US

• Material exploration and synthesis of composition gradient films of heavy metals (Hf, Ta, Zr) and ferromagnetic materials using sputtering and combinatorial technique
• Optimized the composition for Dzyaloshinskii-Moriya interaction (DMI)
• Studied the composition dependence of magnetic anisotropic constant using AGFM magnetometer
• Designed MatLab scripts to study and predict the shape of magnetic bubbles observed in MOKE magnetometry
• Micromagnetic modeling using Mumax3 and Wulff plot construction to predict shape of magnetic bubbles

Fremont, CA, US

• Improved the efficiency of defect screening at electrical testing by over 20 % through failure and coherent data analysis.
• Isolated the most significant defects in different products through Pareto analysis of AFM data and SEM-EDX studies.
• Facilitated in the root cause analysis of a defect observed in the HSA process through failure analysis and defect characterization.

Strasbourg, Grand Est, FR

• Fabricated and characterized 2 multilayer organic-inorganic thin film systems for exchange bias studies
• Optimized the epitaxial growth of organic molecular thin films on 4 different surfaces with atomic force microscopy
• Designed a MATLAB program with over 90% accuracy to study spin dynamics of exchange bias in magnetic films

Bunkyo-ku, Tokyo, JP

• Fabricated CuIr/Fe multilayer thin films using sputtering and ultra-high vacuum deposition techniques for inverse spin Hall effect studies using FMR, as a potential low cost replacement for Pt in data storage devices.
• Studied the dependence of inverse spin Hall effect on thickness using spin pumping spin injection.

Rourkela, Orissa, IN

• Designed, developed and optimized a novel Titania supported bimetallic nanoparticles system with a high photocatalytic degradation efficiency in visible light conditions.
• Characterized the photocatalyst using X-ray diffraction, scanning electron microscope, UV-Vis and FTIR spectroscopy

Master Of Science (M.S.), Materials Science

Bachelor Of Technology (B.Tech.), Nanotechnology