Develop, qualify and maintain Epitaxial laser structure.

Maintained and improved epitaxy processes and equipment on six Aixtron reactors and two Veeco D180 reactors used for: AlGaAs lasers, InP lasers, VCSELs, PIN diodes, and photo detectors. •Optimized reactor setup for improved InGaAs growth uniformity that resulted in a decrease of InP laser PL standard deviation from >2% to <1%•Improved AlGaAs growth conditions resulting in decreased particle generation and 50% increase in Aixtron reactor cycle deposition •Designed and rebuilt Metal Organic source stations for stable delivery of TMIn that resulted in 25% yield increase and 30% savings in bubbler changes / returns•Certified in CPR and SCBA use as member of ERT team

Developed industry leading III / V multi-junction solar cells for terrestrial concentrator applications by designing and optimizing the growth of novel epitaxial structures.•Used Lean skills (DOE, DFM, DFQ) to optimize a MQW solar cell design that resulted in a 41.5% efficient solar cell •Developed growth techniques for strain balancing a 100 pair MQW that allowed for 24/7 manufacturing repeatability•Established and managed international contract manufactures including documentation, quality audits and price negotiations for a cost competitive product stream with a 90% total wafer yield•Incorporated accelerated lifetime testing and characterization that ensured a thirty year product warranty•Created a quick wafer process flow to characterize epitaxial growth for fast product data that shorten experimental time from 18 days to 24 hours•Created and released three products over four years with plans and projects targeting 45% efficiency by 2016.

Managed a staff of technicians, scientists and process engineers focused on increasing yields, improving solar cell performance, increasing throughput and lowering cost on nine Veeco reactors.•Developed and introduced into manufacturing seven solar cells products, each with improved efficiency, lower cost and increased factory throughput•Implemented SPC for device characterization data that resulted in 10% increase in uptime, 5% increase in yield and 25% reduction in cost•Established and managed epitaxial foundry services for international companies that accounted for 25% of the department’s yearly throughput and 10% of companies revenue •Implemented LEAN manufacturing techniques that increased the Epi team score from 1.3 to 3.6 in four years•Managed substrate vendor quality team that resulted in a 15% decrease in wafer breakage•Identified and qualified alternate vendors that resulted in a 50% decrease in product cost •Used a Vision State Map to chart department’s progress and costs that lead to overall cost improvement of 25%•Managed with SMART objectives to empower technicians and engineers to take ownership of key metrics that resulted in a cohesive team

Supported 24/7 production responsible for MOCVD quality, yield, reactor uptime / availability, characterization and process improvement.•Designed new III / V growth conditions that reduced material consumption by 50%•Upgraded reactors to prevent losses due to scrubbing failures, pump failures and running out of source that resulted in a 10% yield increase•Documented and qualified new hazardous material waste treatment that resulted in 50% less waste and 15% cost savings•Developed testing techniques that eliminated downstream losses due to reliability testing equaling 10% increase in product yield•Implemented a recycling program that reduced waste by 10%