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Non-Confidential Brief
Confocal Laser Induced Fluorescence Diagnostic With Annular Laser Beam for Large Focal Distances
Princeton Docket # 23-4006-1
Laser induced fluorescence (LIF) is routinely used for characterization of plasma sources or in gas dynamic applications. Conventional LIF techniques require access to studied volume from two sides:...
Published: 8/20/2024
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Inventor(s): Yevgeny Raitses, Ivan Romadanov
Keywords(s): microelectronics
Category(s): Mechanical/Electrical Engineering
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Low Temperature Plasma Device for Sterilization and Antiviral Applications
Princeton Docket # 20-3699
Researchers at Princeton Plasma Physics Laboratory, Princeton University have designed a flexible dielectric-barrier discharge (DBD) device which produces a uniform, cold plasma for disinfection and sterilization. The device can easily be made into...
Published: 8/20/2024
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Inventor(s): Yevgeny Raitses, Shurik Yatom, Sophia Gershman
Keywords(s): low-temperature plasma
Category(s): Medical Devices/Diagnostics, Biotechnology/Pharmaceuticals, Mechanical Engineering and Robotics
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Princeton Docket # 21-3764
Motivated by the current COVID-19 pandemic, Researchers at Princeton Plasma Physics Laboratory, Princeton University, have designed a novel plasma-based in-situ device for decontaminating air flow from viruses and bacteria in real time. The use of cold, low temperature plasma to eradicate pathogens is a tested and effective...
Published: 3/1/2023
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Inventor(s): Shurik Yatom, Sophia Gershman, Yevgeny Raitses, Philip Efthimion
Keywords(s):
Category(s): Medical Devices/Diagnostics, Mechanical Engineering and Robotics
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Chemically Enhanced Plasma SterilizerPrinceton Docket # 20-3703Researchers at Princeton Plasma Physics Laboratory, Princeton University have designed a chemically enhanced plasma sterilizer (CEPS) which uses atmospheric pressure cold plasma enhanced with a chemical reagent and UV light to provide sterilization and disinfection of bio-contaminated surfaces...
Published: 6/11/2024
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Inventor(s): Yevgeny Raitses, Sophia Gershman, Shurik Yatom, Philip Efthimion
Keywords(s): low-temperature plasma
Category(s): Medical Devices/Diagnostics, Mechanical Engineering and Robotics, Biotechnology/Pharmaceuticals
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Low Temperature Plasma Device for Sterilization and Antiviral ApplicationsPrinceton Docket # 20-3699Researchers at Princeton Plasma Physics Laboratory, Princeton University have designed a flexible dielectric-barrier discharge (DBD) device which produces a uniform, cold plasma for disinfection and sterilization. The device can easily be made into desirable...
Published: 2/14/2022
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Inventor(s): Yevgeny Raitses, Shurik Yatom, Sophia Gershman
Keywords(s):
Category(s): Mechanical/Electrical Engineering
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Self-Disinfecting Plasma FabricPrinceton Docket # 20-3706Researchers at Princeton Plasma Physics Laboratory, Princeton University have designed a self-disinfecting plasma fabric (SPDF) comprised of a specially woven electrical discharge source where plasma is ignited within the textile. The plasma sterilizes the fabric from within and can also be used...
Published: 6/11/2024
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Inventor(s): Yevgeny Raitses, Sophia Gershman, Shurik Yatom, Philip Efthimion
Keywords(s): low-temperature plasma
Category(s): Mechanical/Electrical Engineering
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Princeton Docket # 15-3066-1Researchers at Princeton Plasma Physics Laboratory, Princeton University, have proposed a new design for extending the lifetime of hall thrusters.Hall thrusters have been established as a compact and reliable means for satellite applications. Erosion of the surfaces of such thrusters, however, has been a serious factor in...
Published: 2/2/2024
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Inventor(s): Robert Kaita, Michael Jaworski, Igor Kaganovich, Yevgeny Raitses
Keywords(s):
Category(s): Mechanical/Electrical Engineering
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Disposable Vacuum Viewport Protector
Princeton Docket #14-3022
Industry and research facilities face unwanted vacuum viewport coating issues. For example, during low temperature plasma experiments, metallic films can develop on vacuum viewports, obscuring observation. The impaired viewports can either be replaced, which is costly, or cleaned. The cleaning...
Published: 3/30/2022
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Inventor(s): Yuan Shi, Yevgeny Raitses
Keywords(s): plasma physics
Category(s): Mechanical/Electrical Engineering
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Method for Controlling the Spatial and Temporal Variations of Plasma Properties in Plasma Devices with Crossed Electric and Magnetic Fields
Princeton Docket # 14-2954
Researchers in the Princeton Plasma Physics Laboratory at Princeton University have proposed a new method of crafting spatial variations of the electron cross-field transport to control...
Published: 3/30/2022
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Inventor(s): Yevgeny Raitses, Alexsandr Merzhevskiy
Keywords(s): aerospace, plasma physics, semiconductor
Category(s): Materials
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Princeton Docket # 12-2808
Researchers at Princeton Plasma Physics Laboratory have developed a
novel method to achieve feedback control of low-frequency azimuthal waves
(rotating spoke oscillation) in the ExB discharge of a Hall thruster. This technology will enhance thruster
efficiency and performance.
The Hall thruster is a plasma-based propulsion...
Published: 3/30/2022
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Inventor(s): Martin Griswold, C. Leland Ellison, Yevgeny Raitses, Nathaniel Fisch
Keywords(s): energy
Category(s): Mechanical/Electrical Engineering
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