Wisconsin Alumni Research Foundation

Technology

Micromachined Scanning Thermal Probe

Scanning thermal probes hold promise for many applications, including high-resolution temperature mapping (e.g., for ULSI circuit diagnostics), topographical mapping, photothermal absorption spectrosc...
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Yogesh Gianchandani, Mo-Huang Li, Julius Wu | P01026US

Technology

Bioreversible Protein Esterification

Proteins contain carboxyl groups. These charged groups make it difficult for any protein to enter a human (or other eukaryotic) cell. Modifying proteins to enter cells could revolutionize medicine, e....
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Ronald Raines, Nicholas McGrath | P130148US02

Technology

Strain-Tunable Light Emitting Diodes Using Germanium

Germanium (Ge), a group-IV semiconductor material, is crucial to many established and potential technologies. In optoelectronics, Ge has been used as a photodetector material for on-chip data distribu...
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Max Lagally, Jose Sanchez Perez | P140041US01

Technology

An Enhanced Method of Embedding Thin Film Sensors

Surface mounted and exposed sensors are used in objects commonly found in a modern society that range from simple temperature monitors to complex airbag ejection systems. But sensors located on the su...
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Xiaochun Li, Xudong Cheng, Arindom Datta | P07193US

Technology

Dielectric Sensor for Stress and Strain Detection

Load bearing structures experience stresses and/or strains that deform the material from which they are made. Regardless of a building component’s size, exposure to or tolerance for stress and s...
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Yuri Shkel, Ho Young Lee, Yiyan Peng | P08252US

Technology

Electrodes with Low-Cost Replaceable Tips

Electrodes routinely are used in electrochemical sensing, fuel cells, batteries and numerous other applications. Critically, the surface of an electrode must be clean before sensing elements can be at...
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Sundaram Gunasekaran, Jiang Yang | P120016US02

Technology

Ultra-Efficient Continuous Monitoring of Sensors

Tracking emissions, sensing earthquakes and monitoring patient brain waves are just a few of the applications that rely on changing, real-world information. In typical systems, sensors pass on raw dat...
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Mikko Lipasti, Atif Hashmi, Andrew Nere, Giulio Tononi | P130049US01

Technology

Ultrasonic Welding with Real-Time Quality Control

In ultrasonic welding, work pieces are clamped between a horn and anvil and then joined using high-frequency vibration energy. Friction and heat between the surfaces causes them to soften and meld tog...
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Xiaochun Li, Hongseok Choi, Hang Li, Wayne Cai, Jeff Abell, Jingzhou Zhao | P120081US01

Technology

Micromachined Shock Sensor

Shock sensors are accelerometers that respond to specific levels of acceleration. The design usually consists of a proof mass and a flexible suspension. At a preselected level of acceleration, th...
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Yogesh Gianchandani, Shamus McNamara | P01336US

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