Wisconsin Alumni Research Foundation

Technology

Machining of Lithium Niobate by Laser Fracturing

Lithium niobate is used in the fabrication of a wide variety of optical and electro-optic devices, including optical modulators, switches, frequency shifting devices, polarized controllers and pulsed ...
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Leon McCaughan, Chad Staus | P02194US

Technology

Organoelement Resists for EUV Lithography

Extreme ultraviolet (EUV) lithography is one of the most promising techniques for creating semiconductor devices, integrated circuits and microelectronic devices with nanoscale features (i.e., smaller...
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Paul Nealey, Franco Cerrina, Lin Zhu, Junyan Dai, Christopher Ober | P04335US

Technology

Semi-Solid Forming of Metal-Matrix Nanocomposites

Semi-solid casting (SSC) is a high-integrity die casting technique, wherein metal is injected into a mold cavity in a semi-liquid/solid state with a “slushy” consistency. Semi-solid metal ...
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Xiaochun Li, Lih-Sheng Turng, Michael DeCicco | P05344US

Technology

Thin-Film Lithium Niobate and a Method of Producing It

Ferroelectric materials, such as crystalline lithium niobate, are very useful for fabricating a variety of optical and electronic devices, including optical switches and modulators, frequency switchin...
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Leon McCaughan, Thomas Kuech, Dovas Saulys, Vladimir Joshkin, Aref Chowdhury | P01007US

Technology

Chemical Synthesis of Reagents for Peptide Coupling

The Staudinger ligation method for synthesizing peptides requires phosphinothiol reagents that are not commercially available. The current method for making phosphinothiols is complicated (involving f...
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Ronald Raines, Laura Kiessling, Bradley Nilsson, Matthew Soellner, Yi He, Ronald Hinklin | P02304US

Technology

Zirconium-Rich Bulk Metallic Glass Alloys

Bulk metallic glasses (BMGs) exhibit unique properties including high strength, excellent wear and corrosion resistance, high resistance to fractures and outstanding castability. They are also inexpen...
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Y. Austin Chang, Hongbo Cao, Dong Ma, Ling Ding, Ker-chang Hsieh | P04251US

Technology

Producing Methyl Vinyl Ketone from Levulinic Acid

Levulinic acid is a biomass-derived compound that can be obtained inexpensively in high yields from a variety of waste cellulose-containing materials. It has been identified as a top biomass-derived c...
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James Dumesic, Ryan West | P09350US01

Technology

Arc-Enhanced Friction Stir Welding

In friction stir welding (FSW), a rotating, cylindrical tool with a pin on its end is slowly plunged into a workpiece and moved along the joint to be welded. As the tool rotates, it generates friction...
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Sindo Kou, Guoping Cao | P05041US

Technology

Cost-Effective Synthesis of HMF from Fructose

Increasing demand of petrochemical resources to produce the energy and chemical materials required by industrialized societies with growing populations combined with a diminishing supply has resulted ...
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James Dumesic, Yuriy Roman-Leshkov, Juben Chheda | P06305US

Technology

Plasma-Enhanced Functionalization of Inorganic Oxide Surfaces

Bioactive surfaces created by binding biomolecules to the surface of inorganic substrates are used in many bioassays, biosensors, and other devices. One common approach to functionalizing surfaces so ...
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Ferencz Denes, Sorin Manolache, Jason Helgren, Max Lagally, Bradley Larson | P04163US

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