Search Results - erin+ratcliff

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Wide Area Spectralelectrochemical Measurement of Thin Film Semiconductors for Electronic Band Structure Analysis

This invention is a rapid, nondestructive detection method for properties of semiconductor stacks (including perovskite stacks for use in photovoltaics) which can be used at speeds and scales relevant for manufacturing to check product quality. This invention could reduce/remove barriers for manufacturing scale-up and production of high quality robust...

Published: 6/20/2024 | Inventor(s): Erin Ratcliff, Michel De Keersmaecker, Neal Armstrong

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Category(s): Technology Classifications > Energy, Cleantech & Environmental > Renewable Energy, Technology Classifications > Energy, Cleantech & Environmental > Renewable Energy > Solar/Photovoltaic, Technology Classifications > Engineering & Physical Sciences > Semiconductors, Technology Classifications > Imaging & Optics > Sensors and Detection > Inspection, Technology Classifications > Materials > Processing, Technology Classifications > Sensors & Controls

In-line Analytical Measurements for High-Throughput Manufacturing of Solar Cells, Enhancing Scalability of Next Generation Semiconductor Thin Film Stacks

A “stick and peel” removable electrochemical probe is used for solvent-free characterization of semiconductor films or optoelectronic devices and configured for use in situ and/or in operando. The invention may be used to analyze electronic materials such as a metal halide perovskite, an organic semiconductor, a nanocrystalline (quantum...

Published: 3/12/2024 | Inventor(s): Michel De Keersmaecker, Erin Ratcliff, Neal Armstrong

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Defect Characterization for Semiconductors, including Perovskites, in Operando or during Manufacturing, using 'Peel and Stick' Probe with Enhanced Sensitivity

This technology involves the use of a removable ‘peel and stick electrolyte’ probe for detecting defects in perovskite materials. This is an improvement on previous technology that increases sensitivity of defect detection in device-relevant triple cation perovskites. Background: The development of next-generation flexible optoelectronic...

Published: 3/12/2024 | Inventor(s): Michel De Keersmaecker, Erin Ratcliff, Neal Armstrong

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PMU-Embedded Analytics for Online Event Detection and Classification in Power Grids

The energy requirement of the world is increasing exponentially every year. With the power demand sites concentrated in the region with the highest population density, energy production sites must be located remotely. This isolation requires lengthy and complicated grids to be designed and manufactured to transmit power over long distances. Grid failures...

Published: 7/30/2024 | Inventor(s): Payman Dehghanian, Shiyuan Wang, Li Li

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Category(s): Technology Classifications > Industrial or Consumer Tech > Energy Infrastructure and Environment

Sensor Array for Biomarker Degradation Measurement

This invention is an electronic sensor that is modified with a recognition element. This element is modified so it may be used to capture specific molecules from non-invasive biological fluids. These fluids include sweat, saliva, and tears. These biomarkers will react to enzymes which can be used in new products to provide quantitative information related...

Published: 8/1/2024 | Inventor(s): Erin Ratcliff, Jonathan Harris, Songyan Yu

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Category(s): Technology Classifications > Engineering & Physical Sciences > Electronics, Technology Classifications > Medical Devices, Technology Classifications > Medical Devices > Diagnostic

"Stick and Peel" Probe Properties of Perovskite Material Properties for Manufacturing Scale-Up and Quality Control

A “stick and peel” removable electrochemical probe is used for solvent-free characterization of semiconductor films or optoelectronic devices. The invention may be used to analyze electronic materials such as a metal halide perovskite, an organic semiconductor, a nanocrystalline (quantum dot) thin film, metal oxides, a material blend or...

Published: 3/12/2024 | Inventor(s): Michel De Keersmaecker, Erin Ratcliff, Neal Armstrong

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Materials Selection Criteria for Electrochemical Sensing Using Organic Electrochemical Transistor (OECT)

This technology is a new method for selecting materials when designing organic electrochemical transistors (OECTs). This method aides the design of OECT-based sensors, enabling optimization for operating power level and sensitivity. Background: OECTs are transistors useful in sensing and bioelectronics because they are simple, easy to manufacture,...

Published: 3/12/2024 | Inventor(s): Erin Ratcliff, Songyan Yu

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Category(s): Technology Classifications > Life Sciences > Biologics, Technology Classifications > Life Sciences > Diagnostics, Technology Classifications > Medical Devices > Diagnostic

Design Guideline of Floating Gate Electrolyte-Gated Transistor (FGEGT) Sensors

This technology is a method for designing floating gate electrolyte-gated transistor-based sensors, so that the sensor achieves a maximum sensitivity while maintaining a low operating voltage. Background: Electrolyte-gated transistors (EGTs) are a type of transistor particularly useful in biosensors due to their simplicity, sensitivity, low voltage...

Published: 3/12/2024 | Inventor(s): Erin Ratcliff, Songyan Yu

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Category(s): Technology Classifications > Life Sciences > Diagnostics, Technology Classifications > Life Sciences > Biologics

Printed Wearable Microfluidic Sweat Sensor Array

This invention is a wearable biosensor that is capable of sensing biomarkers of interests in sweat. This invention has the flexibility to be worn, the durability to withstand the common degradation of polymers in complex aqueous/organic environments, and the sensitivity to pick up on multiple biomarkers found in human eccrine sweat. Background: Wearable...

Published: 3/12/2024 | Inventor(s): Erin Ratcliff, Jonathan Harris

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Category(s): Technology Classifications > Engineering & Physical Sciences > Communications & Networking > Networking, Technology Classifications > Engineering & Physical Sciences > Devices & Instrumentation > Microfluidics, Technology Classifications > Medical Devices > Diagnostic

Distributed Feedback Fiber Laser Pumped by Multimode Diode Lasers

Researchers at the University of Arizona College of Optical Sciences and Canada's Carleton University recently succeeded in fabricating high reflectivity (>99%) Fiber Bragg Gratings (FBGs) into phosphate glass fibers using UV light and a phase mask technique. With this new manufacturing technique, fiber lasers can be created as single monolithic...

Published: 4/3/2023 | Inventor(s): Nasser Peyghambarian, Axel Schülzgen, Li Li, Jacques Albert

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Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Lasers & Other Sources

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