Christopher Cassidy Ph.D. Email & Phone Number

Rochester, New York Area

I help to connect engineers in the Rochester area to each other in order to learn more about their profession.

Rochester, Ny

Research, consulting and writing for Physical Sciences, Engineering, Optics, Photonics, MEMS, NanoTechnology, Energy and Environment.

Ithaca, New York Area

Test and development of III-V semiconductor laser devices.

Managed a group of 4 engineers developing the scan image path for use in multifunction products.• Developed image processing parameters and algorithms that enabled the launch of five successful Xerox product families. Successfully implemented image paths optimized to specific scan devices and marking engines on schedule for each product family.• Improved customer satisfaction by resolving problems with scan image quality, file size and scan speed.• Achieved better imaging… Show more Managed a group of 4 engineers developing the scan image path for use in multifunction products.• Developed image processing parameters and algorithms that enabled the launch of five successful Xerox product families. Successfully implemented image paths optimized to specific scan devices and marking engines on schedule for each product family.• Improved customer satisfaction by resolving problems with scan image quality, file size and scan speed.• Achieved better imaging performance than competitive products by defining, simulating, and optimizing tone reproduction, color accuracy, segmentation and compression for Xerox office products.• Produced better image quality at smaller file size than any competitor’s device by integrating mixed raster content compression technology from the Xerox Research Laboratories into product development.• Established product goals by benchmarking image quality of competing devices.• Reduced software defects in products by implementing and maintaining regression testing of scan system imaging software.Engineer, Software and Electronics Development Group• Demonstrated capability to reduce design cycle time by developing discrete event simulation models that accurately predicted memory usage and bandwidth requirements for electrical subsystems. Show less

Rochester, New York Area

Taught courses on Optics, Imaging Science, Mathematics

Senior Research Engineer, Microelectronics Technology Division• Developed two new optical detector arrays for high resolution imaging applications including: An interline transfer device with a refractory metal light shield showing a smear of less than 1% and a full frame device with a lateral overflow drain providing 1000x blooming protection and a transparent conducting gate providing 30% higher sensitivity.• Improved the fabrication yield of imaging detector array devices from 0%… Show more Senior Research Engineer, Microelectronics Technology Division• Developed two new optical detector arrays for high resolution imaging applications including: An interline transfer device with a refractory metal light shield showing a smear of less than 1% and a full frame device with a lateral overflow drain providing 1000x blooming protection and a transparent conducting gate providing 30% higher sensitivity.• Improved the fabrication yield of imaging detector array devices from 0% to commercially viable levels by using process test data, test structure data and final device electrical and optical test data. Located and characterized defects in process and design to improve device yield.• Enabled the production of commercial CMOS devices by qualifying the reliability of the CMOS fabrication processes using measurements of oxide breakdown, electro-migration and hot electron effects. Developed a computer aided test facility to study reliability physics.Process Engineer, Microelectronics Technology Division• Established and maintained manufacturing process control of ion implantation processes. Characterized implant processes by measuring and modeling implant doping profiles in order to understand the effects of defects on semiconductor materials.Research Scientist, Imaging Research Laboratory• Quantified the impact of nonlinear processes on image quality by using a model of the human visual system and models of the image structure properties of imaging systems to study the effect of nonlinear processes on the system modulation transfer function. Member Technical Staff, Kodak Apparatus Division Research Laboratory• Enabled a new laser based printer by characterizing semiconductor lasers and optics to achieve a minimum spot size on the recording surface.• Developed mathematical models to optimize magnetic recording and reading processes. Studied erasure process in magnetic recording systems. Show less

• Initiated and managed a contract research effort to develop an integrated array of high power GaAlAs semiconductor lasers for use in optical recording systems. Developed electro-optical test systems to characterize the optical properties of the semiconductor lasers produced under contract.• Demonstrated a multiple beam optical recording technique capable of increasing optical disk storage density. System used an argon ion laser and a GaAlAs diode laser to reduce mark size on a… Show more • Initiated and managed a contract research effort to develop an integrated array of high power GaAlAs semiconductor lasers for use in optical recording systems. Developed electro-optical test systems to characterize the optical properties of the semiconductor lasers produced under contract.• Demonstrated a multiple beam optical recording technique capable of increasing optical disk storage density. System used an argon ion laser and a GaAlAs diode laser to reduce mark size on a recording surface while requiring less power from the diode laser.• Worked with a team to manage contract development of a high density optical recording system based on metallic media and argon ion laser technology. The team produced one of the first high density optical recording systems. Show less

B.A. Ph.D., Physics

• Developed a new laser system for the vacuum ultraviolet using a pulsed plasma source and atomic beams. System used a charge exchange.

Certificate, Technical Communications

Achieved a Certificate in Basic Technical Communications. Learned about and practiced different ways of communicating technical information