Sunfest 2008
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SUNFEST REU Program IMPLEMENTATION OF THE ENIAC ACCUMLATOR AND CYCLING UNIT ON A FIELD PROGRAMMABLE GATE ARRAY (FPGA)
An accumulator and cycling unit from the Electronic Numerical Integrator and Calculator (ENIAC) are implemented on a Field Programmable Gate Array (FPGA). The FPGA implementation is not architecturally identical to the original ENIAC, but the original architectural design is maintained where possible. The design maintains decimal number representation, ring counters to increment numbers, and te...
متن کاملSUNFEST REU Program CARBON NANOTUBE-BASED BIODETECTION OF TRIIODOTHYRANINE
We report biodetection of the thyroid hormone triiodothyranine (T3) using carbon nanotube field-effect transistors. T3 molecules bind non-covalently the semiconducting nanotube and donate electrons to the nanotube lattice, thereby altering its electronic characteristics via chemical doping. The effect is semi-reversible by rinsing the transistors with the T3 solvent without the biomolecule. The...
متن کاملSUNFEST REU Program Remote Cognosensors: Developing an NIR Imaging Model to Map Brain Function
Near-infrared (NIR) imaging has provided new insight into optical imaging of human tissue. The purpose of this study is to develop an NIR imaging system that could potentially be used to study cognitive function by measuring the optical parameters (μa and μs`) of the human prefrontal cortex. The desired system should be a remote sensing system that does not need direct contact with the subject....
متن کاملPhotolithographic Processes for Creating a Proximity Sensor in Low Temperature Co-Fired Ceramic Tapes NSF Summer Undergraduate Fellowships in Sensor Technology (SUNFEST)
This paper describes two photolithographic processes for patterning Low Temperature Co-Fired Ceramic (LTCC) tapes. The processes involve the use of two types of LTCC tape. In one case photoformable tape is used, and in the other, DuPont 951 tape coupled with DuPont Riston 9015, a dry photoresist, is used. Although a full 8-layer sensor was not completed using either method, single spirals wer...
متن کاملSUNFEST REU Program DIELECTROPHORETIC ASSEMBLY, INTEGRATION, AND CHARACTERIZATION OF FUNCTIONAL NANOSTRUCTURES
Nano-electro-mechanical systems (NEMS) are pivotal to integrated systems research. The ability to integrate sensors and processors on a single wafer has the potential to create highly sensitive and complex systems that respond to changing environmental stimuli. This project focuses on the assembly, integration, and characterization of both nanowires and nanotubes used in NEMS devices. Using die...
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تاریخ انتشار 2008