Stephen Cavender Email & Phone Number

Ann Arbor, Michigan

Assist in development and refinement of new processing method for microcarrier beads. Managed development of semi-automatic system to dramatically reduce ergonomic stresses in processing ofmicrocarriers. Able to assist in production of standard microcarriers to support product sales. Cleanroom work: Collaborate on design, use, maintenance of sub-systems, and improvement of systems to offset contamination from production activities. Particle Verification Standards: Develop method of creating metal particles from certified materials. Very exacting in selection, insertion, and performing QC testing onparticle verification standards. Established calibration procedure for verification of optical measurement system. Managed ergonomic improvement in processing equipment. Main tooling reconditioning person.

Ann Arbor, Mi

Worked to develop more efficient lithium-ion battery chemistry. Mixed components for processing. Produced test cells in argon glovebox and evaluated same on Maccor Series 4000 battery testers.

Holt, Mi

Perform preparation and analysis of PNA compounds in environmental samples.

Ann Arbor, Mi

Evaluated and corrected complexometric titration method for evaluating sodium aluminate contamination on inside of beta''-alumina electrolyte for power cell. Member of safety committee responsible for safety training, MSDS control, chemical selection, ordering, storage and disposal. Supervised acid-pickling cleaning operation. QA/inspection work for internal and external supplier quality audits.

Forensic disassembly of AMTEC test cells in argon glovebox. Decontamination of reactive metal-coated assemblies. Selection, compounding, use, and disposal of micro-/macro-etchants (including hydrofluoric acid compositions) concluding with interpretation and customer report generation. Responsible for light and electron microscopic evaluations of material microstructure. Maintained acid pickling solutions to internal company specifications.

Jackson And Ann Arbor, Mi

AMaTS venture MetallographerAssisted Sr. Metallurgist in supplying materials characterization, failure analysis, and engineering consultation to company divisions. Primary operator of Instron 8500 series servo-hydraulic material testing system. Responsible for initial setup and operation of a class-10 soft-wall cleanroom used in the development of semiconductor gas-stick devices; Used mechanical and chemical processing and etching methods to support analysis of company and competitor products. Provided elemental analysis via gas analysis and XRF testing. Supported investigative efforts by use of light and electron microscopy. Responsible to perform QC testing and report generation on deep-drawing of stainless alloy for automotive fuel connectors. Polymer Lab Technician Carried out testing of finished articles as well as developmental compounds for hydraulic hoses. Standard tests included strength, adhesion properties, compression set, resistance to environmental conditions such as temperature, and exposure to various fluids such as oils, fuels, and refrigerants.