Search Results - "Nielson, Gregory"

Fabrication of high aspect ratio, non-line-of-sight vias in silicon carbide by a two-photon absorption method by Payne, Jared E., Nyholm, Peter, Beazer, Ryan, Eddy, Joseph, Stevenson, Hunter, Ferguson, Brad, Schultz, Stephen, Nielson, Gregory N.

“…The future of Moore’s Law for high-performance integrated circuits (ICs) is going to be driven more by advanced packaging and three-dimensional (3D)…”
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Dynamic pull-in of parallel-plate and torsional electrostatic MEMS actuators by Nielson, G.N., Barbastathis, G.

“…An analysis of the dynamic characteristics of pull-in for parallel-plate and torsional electrostatic actuators is presented. Traditionally, the analysis for…”
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Microsystems enabled photovoltaics: 14.9% efficient 14 μm thick crystalline silicon solar cell by Cruz-Campa, Jose L., Okandan, Murat, Resnick, Paul J., Clews, Peggy, Pluym, Tammy, Grubbs, Robert K., Gupta, Vipin P., Zubia, David, Nielson, Gregory N.

“…Crystalline silicon solar cells 10–15 times thinner than traditional commercial c-Si cells with 14.9% efficiency are presented with modeling, fabrication, and…”
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Micro-concentrators for a microsystems-enabled photovoltaic system by Jared, Bradley H, Saavedra, Michael P, Anderson, Ben J, Goeke, Ron S, Sweatt, William C, Nielson, Gregory N, Okandan, Murat, Elisberg, Brenton, Snively, Dave, Duncan, John, Gu, Tian, Agrawal, Gautam, Haney, Michael W

“…A 100X magnification, ± 2.5° field of view micro-concentrating optical system has been developed for a microsystems-enabled photovoltaic (MEPV) prototype…”
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Hybrid Integration of III–V Solar Microcells for High-Efficiency Concentrated Photovoltaic Modules by Tauke-Pedretti, Anna, Cederberg, Jeffrey G., Cruz-Campa, Jose L., Alford, Charles, Sanchez, Carlos A., Nielson, Gregory N., Okandan, Murat, Sweatt, William, Jared, Bradley H., Saavedra, Michael, Miller, William, Keeler, Gordon A., Paap, Scott, Mudrick, John, Lentine, Anthony, Resnick, Paul, Gupta, Vipin, Nelson, Jeffrey, Li, Lan, Li, Duanhui, Gu, Tian, Hu, Juejun

“…The design, fabrication, and performance of InGaAs and InGaP/GaAs microcells are presented. These cells are integrated with a Si wafer providing a path for…”
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Intravitreal administration of HA-1077, a ROCK inhibitor, improves retinal function in a mouse model of huntington disease by Li, Mei, Yasumura, Douglas, Ma, Aye Aye K, Matthes, Michael T, Yang, Haidong, Nielson, Gregory, Huang, Yong, Szoka, Francis C, Lavail, Matthew M, Diamond, Marc I

“…Huntington disease (HD) is an inherited neurodegenerative disease that affects multiple brain regions. It is caused by an expanded polyglutamine tract in…”
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A prediction of dislocation-free CdTe/CdS photovoltaic multilayers via nano-patterning and composition grading by Zhou, Xiao Wang, Ward, Donald K., Doty, F. Patrick, Zimmerman, Jonathan A., Wong, Bryan M., Cruz-Campa, Jose Luis, Nielson, Gregory N., Chavez, Jose Juan, Zubia, David, McClure, John C.

“…Defects in multilayered films have long been a performance‐limiting problem for the semiconductor industry. For instance, CdTe/CdS solar cell efficiencies have…”
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Voltage Matching and Optimal Cell Compositions for Microsystem-Enabled Photovoltaic Modules by Lentine, Anthony L., Nielson, Gregory N., Okandan, Murat, Cruz-Campa, Jose-Luis, Tauke-Pedretti, Anna

“…In this paper, we calculate optimal cell compositions and voltage-matching considerations for independently connected junctions, such as those proposed for…”
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Optical resonators Microphotonic thermal imaging by Watts, Michael R, Shaw, Michael J, Nielson, Gregory N

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Selective Growth of CdTe on Nano-patterned CdS via Close-Space Sublimation by Aguirre, Brandon A., Zubia, David, Ordonez, Rafael, Anwar, Farhana, Prieto, Heber, Sanchez, Carlos A., Salazar, Maria T., Pimentel, Alejandro. A., Michael, Joseph R., Zhou, Xiaowang, Mcclure, John C., Nielson, Gregory N., Cruz-Campa, Jose L.

“…Selective-area deposition of CdTe on CdS via close-space sublimation is used to study the effect of window size (2  μ m and 300 nm) on grain growth. The basic…”
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Analysis of the Value Proposition of High-efficiency, Multijunction Solar Modules for Residential Rooftop Installations by Horowitz, Kelsey A. W., Nielson, Gregory N., Sigrin, Benjamin, Cunningham, Daniel W., Majumdar, Zigurts K.

“…Utilizing detailed bottom-up models, we analyze the potential markets for high-efficiency photovoltaic modules in the United States. We first estimate the…”
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Cost analysis of flat-plate concentrators employing microscale photovoltaic cells for high energy per unit area applications by Paap, Scott, Gupta, Vipin, Tauke-Pedretti, Anna, Resnick, Paul, Sanchez, Carlos, Nielson, Gregory, Cruz-Campa, Jose Luis, Jared, Bradley, Nelson, Jeffrey, Okandan, Murat, Sweatt, William

“…Microsystems Enabled Photovoltaics (MEPV) is a relatively new field that uses microsystems tools and manufacturing techniques familiar to the semiconductor…”
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Ultrathin and micro-sized solar cell performance optimization via simulations by Cruz-Campa, Jose L., Nielson, Gregory N., Resnick, Paul J., Okandan, Murat, Young, Ralph, Zubia, David, Gupta, Vipin

“…ABSTRACT Back‐contacted, ultrathin (<10 µm), and submillimeter‐sized solar cells made with microsystem tools are a new type of cell that has not been optimized…”
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Normalized implicit eigenvector least squares operators for noisy scattered data: radial basis functions by Nielson, Gregory M.

“…We describe some new methods for obtaining a mathematical representation of a surface that approximates a scattered point cloud, {( x i , y i , z i ) i  = 1, …”
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Fabrication of Tungsten Probe Tips on a Silicon Carbide Probe Card by Horspool, Alexander, Beazer, Ryan, Johnson, Noah, Nielson, Gregory N., Schultz, Stephen

“…This work presents a process for fabricating tungsten probe tips on a vertical silicon carbide-based probe card. The intended purpose of this device is for…”
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Fabricating Copper Probe Tips for Vertical Probe Card Using Electroplating and Photolithography by Johnson, Noah, Jensen, Dillon, Horspool, Alexander, Nielson, Gregory N., Schultz, Stephen M.

“…As circuit testing becomes more complex, streamlining the fabrication of probe tips becomes increasingly valuable, especially in densely arranged arrays. This…”
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Enhanced efficiency for voltage matched stacked multi-junction cells: Optimization with yearly temperature and spectra variations by Lentine, Anthony L., Nielson, Gregory N., Okandan, Murat, Cruz-Campa, Jose-Luis, Tauke-Pedretti, Anna

“…We calculate voltage-matching considerations for stacked independent cells. The calculations show that designs using independent junctions that are voltage…”
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Spherical Parameterization of Marching Cubes IsoSurfaces Based upon Nearest Neighbor Coordinates by Nielson, Gregory M., Zhang, Li-Yan, Lee, Kun, Huang, Adam

“…We present some new methods for parameterizing the triangle mesh surface (TMS) which result from the Marching Cubes (MC) algorithm. The methods apply to…”
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Conformal Open-Air Electroplating of Through-Wafer Vias by Jensen, Dillon, Thompson, Madeline, Johnson, Topher, Nielson, Gregory N., Schultz, Stephen M.

“…A method is described for depositing high-density metal in through-wafer vias. This method requires that the cathode end of the via be left open to the air to…”
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Machining of Silicon Carbide Wafers by Thompson, Madeline, Ferguson, Bradley, Nielson, Gregory N., Schultz, Stephen

“…Silicon carbide has many desirable properties that make it a high demand product. Some of these properties make it difficult to machine silicon carbide for…”
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