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- A process of washing plastics contaminated with polychlorinated biphenyls (PCBs) is provided to reduce the concentration of the PCBsIntellectual Property Available to License
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US Patent 7,525,010 B2- Process to Wash Polymers Contaminated with Polychlorinated Biphenyls (PCBS) (IN-06-067)
A process of washing plastics contaminated with polychlorinated biphenyls (PCBs) is provided to reduce the concentration of the PCBs. A two-step process includes a first washing step using a selected washing solution or solvent, such as, a non-flammable solvent, and followed by a second step using thermal desorption. The two-step process enables reducing the concentration of PCBs in polymers, such as recovered from shredder residue, for example, to as low as 0.253 PPM. One of the preferred solvents is Perchloroethylene.
- Cryoloop auto-centering for crystal location and alignment to an x-ray beamIntellectual Property Available to License
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US Patent 7,438,472 B1- Automatic Cryoloop Alignment for Protein Crystals (IN-06-117)
Methods and apparatus for implementing robust and efficient cryoloop auto-centering for crystal location and alignment to the x-ray beam are provided. Image processing techniques are used for recognition of the small protein crystals. The detected crystal location enables crystal positioning in the x-ray beam, and optimization of the x-ray optics such as beam profile and intensity to the size and shape of the protein crystals.
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- This is the first demonstration of an “autonomous” frequency source that can maintain a constant frequency and vibrating amplitude when no external power is provided, making it ideal for applications requiring an oscillator in low power, or limited and inIntellectual Property Available to License
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US Patent 9,680,414 B1- Frequency and Amplitude Stabilization in MEMS and NEMS Oscillators (IN-15-101)
This invention comprises a nonlinear micro- and nano-mechanical resonator that can maintain frequency of operation and amplitude of operation for a period of time after all external power has been removed from the device. Utilizing specific nonlinear dynamics of the micromechanical resonator, mechanical energy at low frequencies can be input and stored in higher frequencies modes, thus using the multiple degrees of freedom of the resonator to extend its energy storage capacity. Furthermore, the energy stored in multiple vibrational modes can be used to maintain the resonator oscillating for a fixed period of time, even without an external power supply.
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- Argonne licensing opportunityIntellectual Property Available to LicenseUS Patent 9,966,966 B2
- Nonlinearity Induced Synchronization Enhancement in Mechanical Oscillators (IN-15-079)
An autonomous oscillator synchronizes to an external harmonic force only when the forcing frequency lies within a certain interval, known as the synchronization range, around the oscillator’s natural frequency. Under ordinary conditions, the width of the synchronization range decreases when the oscillation amplitude grows, which constrains synchronized motion of micro- and nano-mechanical resonators to narrow frequency and amplitude bounds.
The present invention shows that nonlinearity in the oscillator can be exploited to manifest a regime where the synchronization range increases with an increasing oscillation amplitude. It also shows that nonlinearities in specific configurations of oscillator systems, as described herein, are the key determinants of the effect. This invention presents a new configuration and operation regime that enhances the synchronization of micro- and nano-mechanical oscillators by capitalizing on their intrinsic nonlinear dynamics.
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- A method and an apparatusIntellectual Property Available to License
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US Patent 9,412,480 B2- Diffraction Leveraged Modulation of X-Ray Pulses Using MEMS-Based X-Ray Optics (IN-12-047)
A method and apparatus are provided for implementing Bragg-diffraction leveraged modulation of X-ray pulses using MicroElectroMechanical systems (MEMS) based diffractive optics. An oscillating crystalline MEMS device generates a controllable time-window for diffraction of the incident X-ray radiation. The Bragg-diffraction leveraged modulation of X-ray pulses includes isolating a particular pulse, spatially separating individual pulses, and spreading a single pulse from an X-ray pulse-train.
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- Argonne licensing opportunityIntellectual Property Available to LicenseUS Patent 8,906,772 B2; US Patent 9,202,684 B2; US Patent 9,875,894 B2
- Graphene Layer Formation
A system and method for forming graphene layers on a substrate. The system and methods include direct growth of graphene on diamond and low temperature growth of graphene using a solid carbon source.
Technologies:
GRAPHENE LAYER FORMATION AT LOW SUBSTRATE TEMPERATURE ON A METAL AND CARBON BASED SUBSTRATE (IN-11-055) View patent details.
GRAPHENE LAYER FORMATION ON A CARBON BASED SUBSTRATE (IN-11-055B) View patent details.
GRAPHINE LAYER FORMATION AT LOW SUBSTRATE TEMPERATURE ON A METAL AND CARBON BASED SUBSTRATE (IN-11-055C) View patent details.
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- Argonne licensing opportunityIntellectual Property Available to LicenseUS Patent 8,963,659 and US Patent 8,525,185 B2
- RF MEMS Capacitive Switches with High Reliability
The present invention provides for an electrostatic microelectromechanical (MEMS) device comprising a dielectric layer separating a first conductor and a second conductor. The first conductor is moveable towards the second conductor, when a voltage is applied to the MEMS device. The dielectric layer recovers from dielectric charging failure almost immediately upon removal of the voltage from the MEMS device.
Technology: RF MEMS Capacitive Switches with High Reliability (IN-09-053) View patent details.
A reliable long life RF-MEMS capacitive switch is provided with a dielectric layer comprising a “fast discharge diamond dielectric layer” and enabling rapid switch recovery, dielectric layer charging and discharging that is efficient and effective to enable RF-MEMS switch operation to greater than or equal to 100 billion cycles.
Technology: RF-MEMS capacitive switches with high reliability View patent details.
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- A nanopositioning system for producing a coupling interaction between a first nanoparticle and a second nanoparticle.Intellectual Property Available to License
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US Patent 9,548,677B2; US Patent 8,922,094B2- Microelectromechanical (MEMS) Manipulators for Control of Nanoparticle Coupling Interactions
A first MEMS positioning assembly includes an electro-static comb drive actuator configured to selectively displace a first nanoparticle in a first dimension and an electrode configured to selectively displace the first nanoparticle in a second dimensions. Accordingly, the first nanoparticle may be selectively positioned in two dimensions to modulate the distance between the first nanoparticle and a second nanoparticle that may be coupled to a second MEMS positioning assembly. Modulating the distance between the first and second nanoparticles obtains a coupling interaction between the nanoparticles that alters at least one material property of the nanoparticles applicable to a variety of sensing and control applications.
Technologies: MICROELECTROMECHANICAL (MEMS) MANIPULATORS FOR CONTROL OF NANOPARTICLE COUPLING INTERACTIONS (IN-09-050) View patent details.
MICROELECTROMECHANICAL (MEMS) MANIPULATORS FOR CONTROL OF NANOPARTICLE COUPLING INTERACTIONS (IN-09-050B) View patent details.
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- 2D layer property images, automated processing.Intellectual Property Available to License
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US Patent 7,538,938; US Patent 9,816,952 B2; US Patent 8,465,200; US Patent 7,365,330- Thermal Multi-layer Coating Analysis (IN-05-125), (IN-14-032)
The Invention
Pulsed thermal imaging is widely used for nondestructive evaluation of advanced materials and components. Thermal imaging methods to analyze single-layer materials are well developed. However, a general method for analyzing multi-layer materials and coatings/films has not been developed due to the complexity of material systems and lack of an analytical solution. This technology provides a general method, test system including a filter, and numerical algorithm for automated analysis of thermal imaging data for multi-layer coating materials.
Argonne’s pulsed thermal imaging-multilayer analysis method can accurately measure coating thermal conductivity and heat capacity (and/or thickness) distributions over an entire component’s surface. The method analyzes a temporal series of measured thermal imaging data to determine the properties for all coating layers based on a multilayer model. Argonne’s invention is currently the only method that can analyze coatings of more than one layer, is fully automated to produce 2D layer property images, and has validated high accuracy.
Argonne’s approach includes an infrared filter for flash lamps to eliminate the flash’s infrared radiation, ensuring accurate detection of surface temperature during pulsed thermal imaging tests.
Key to Argonne’s thermal multi-layer analysis method is the numerical algorithm used for automated analysis of thermal imaging data for multi-layer materials, implemented in dedicated, Argonne-created software that allows for complete data-processing automation without the need of user intervention.
Benefits
- Allows fast 2D imaging of multi-layer material properties of an object from one surface
- All-in-one solution that includes method, optical filter, and analytical software for thermal multi-layer material analysis
- Imaging is nondestructive and fast
- Eliminates infrared radiation to assure data accuracy
- Automated analysis of imaging data
Applications and Industries
- Multi-layer coating materials development
- Manufacturing quality control
- Coating degradation monitoring
- Medical applications
Developmental Stage
Proof of Concept: the technology has been tested and proven to work for coated engine parts.
Argonne Inventions
- IN-05-125, Optical Filter for Flash Lamps in Pulsed Thermal Imaging View the patent.
- IN-14-032, Method and Apparatus for Material Thermal Property Measurement by Flash Thermal Imaging View the patent.
- IN-06-017, Method for Thermal Tomography of Thermal Effusivity from Pulsed Thermal Imaging View the patent
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