Patent • #10,538,695. Electrically conductive proppants and methods for detecting, locating, and characterizing same are provided. The electrically conductive proppant can include a substantially uniform coating of an electrically conductive material having a thickness of at least 500 nm. The method can include injecting a hydraulic fluid into a wellbore extending into...
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Electrically pumped edge-emitting photonic bandgap semiconductor laser
Patent • #6,674,778. A highly efficient, electrically pumped edge-emitting semiconductor laser based on a one-or two-dimensional photonic bandgap (PBG) structure is described. The laser optical cavity is formed using a pair of PBG mirrors operating in the photonic band gap regime. Transverse confinement is achieved by surrounding an active semiconductor layer of...
Electrically tunable infrared metamaterial devices
Patent • #9,086,510. A wavelength-tunable, depletion-type infrared metamaterial optical device is provided. The device includes a thin, highly doped epilayer whose electrical permittivity can become negative at some infrared wavelengths. This highly-doped buried layer optically couples with a metamaterial layer. Changes in the transmission spectrum of the device can be induced via...
Electro 3D: Electrochemical 3D Printing
Featured Opportunity • A new method of additive manufacturing that leverages fluidics and electrochemistry to rapidly produce high-quality parts with engineering materials. Existing methods of metal 3D printing are ineffective in creating micro-resolution parts of high-quality metals at room temperature and pressure without the need for postprocessing or electrochemical baths. Market Needs Additive...
Electro-optical sensor for high intensity electric field measurement
Patent • #12111342. The present invention is directed to an electro-optical sensor for high intensity electric field measurement. The electro-optical sensor was used to measure a strong 118 MV/m narrow pulse width (˜33 ns) electric field in the magnetically insulated transmission line (MITL) of a pulsed power accelerator. Accurately measuring these high...
Electro-refractive photonic device
Patent • #9,052,535. The various technologies presented herein relate to phase shifting light to facilitate any of light switching, modulation, amplification, etc. Structures are presented where a second layer is juxtaposed between a first layer and a third layer with respective doping facilitating formation of p-n junctions at the interface between the...
Electroabsorption optical modulator
Patent • #9,823,497. An electroabsorption modulator incorporates waveguiding regions along the length of the modulator that include quantum wells where at least two of the regions have quantum wells with different bandgaps. In one embodiment of the invention, the regions are arranged such that the quantum wells have bandgaps with decreasing bandgap...
Electroabsorption optical modulator
Patent • #10,908,438. An electroabsorption modulator that operates based on electroabsorption of a surface plasmon polariton mode is improved by various structural changes and/or selection of different materials. For example, at least a portion of the waveguide may be made to be conductive, e.g., by doping. Also, layers that make up the...
Electrocatalyst comprising a crumpled transition metal dichalcogenide support loaded with monodispersed metal nanoparticles
Patent • #11,484,867.
Electrochemical assembly of organic molecules by the reduction of iodonium salts
Patent • #7,550,071. Methods are described for the electrochemical assembly of organic molecules on silicon, or other conducting or semiconducting substrates, using iodonium salt precursors. Iodonium molecules do not assemble on conducting surfaces without a negative bias. Accordingly, the iodonium salts are preferred for patterning applications that rely on direct writing with...
Electrochemical cell having a vanadium phosphorous alloy electrode
Patent • #10,186,740. An apparatus includes an electrochemical half-cell comprising: an electrolyte, an anode; and an ionomeric barrier positioned between the electrolyte and the anode. The anode may comprise a multi-electron vanadium phosphorous. The electrochemical half-cell is configured to oxidize the vanadium and phosphorous alloy to release electrons. A method of mitigating...
Electrochemical cell structure including an ionomeric barrier
Patent • #9,685,684. An apparatus includes an electrochemical half-cell comprising: an electrolyte, an anode; and an ionomeric barrier positioned between the electrolyte and the anode. The anode may comprise a multi-electron vanadium phosphorous alloy, such as VP.sub.x, wherein x is 1-5. The electrochemical half-cell is configured to oxidize the vanadium and phosphorous...
Electrochemical components employing polysiloxane-derived binders
Patent • #8,460,823. A processed polysiloxane resin binder for use in electrochemical components and the method for fabricating components with the binder. The binder comprises processed polysiloxane resin that is partially oxidized and retains some of its methyl groups following partial oxidation. The binder is suitable for use in electrodes of various...
ELECTROCHEMICAL DETECTION OF GAS PHASE CHEMICALS
Patent • #11,378,547.
Electrochemical ion separation in molten salts
Patent • #9,847,149. A purification method that uses ion-selective ceramics to electrochemically filter waste products from a molten salt. The electrochemical method uses ion-conducting ceramics that are selective for the molten salt cations desired in the final purified melt, and selective against any contaminant ions. The method can be integrated into a...
Electrochemical Random Access Memory (ECRAM)
Featured Opportunity • An oxygen vacancy Electrochemical Random Access Memory (ECRAM) for neuromorphic computing. Artificial neural networks have become increasingly relevant and desired in today’s market; however, they are extremely energy intensive. Neuromorphic computing, which involves operations being conducted in analogue directly on memory elements, is seen as a solution to the problem....
Electrochemical Solution Growth: Gallium Nitride Crystal Growth
Featured Opportunity • Sandia National Laboratories has developed a disruptive new crystal growth technology, called Electrochemical Solution Growth (ESG). This technology has a high potential for producing the high-quality, large-area, and economical bulk gallium nitride (GaN) substrates needed to meet the performance requirements of high-efficiency LED and high-power transistors. Substrates are the bulk...
Electrode array for neural stimulation
Patent • #8,000,804. An electrode array for neural stimulation is disclosed which has particular applications for use in a retinal prosthesis. The electrode array can be formed as a hermetically-sealed two-part ceramic package which includes an electronic circuit such as a demultiplexer circuit encapsulated therein. A relatively large number (up to 1000...
Electrode configuration for extreme-UV electrical discharge source
Patent • #6,498,832. It has been demonstrated that debris generation within an electric capillary discharge source, for generating extreme ultraviolet and soft x-ray, is dependent on the magnitude and profile of the electric field that is established along the surfaces of the electrodes. An electrode shape that results in uniform electric field...
Electrodeposited platinum-gold alloy
Patent • #11674234. A coating made of platinum-gold alloy is provided, together with a method of its preparation by electrodeposition. The alloy is composed of more than 50 atomic percent platinum. The microstructure of the alloy consists of generally ellipsoidal grains. More than half of the grains have a major axis of...
Electrodeposition processes for magnetostrictive resonators
Patent • #10,132,699. The present invention relates to magnetoelastic resonators, sensors, and tunable devices, as well as methods for making such components. The resonators can be used as tags and/or sensors. In general, the resonators include one or more micron-sized resonator portions affixed on a substrate. For use as a tag, each...
Electrodeposition processes for magnetostrictive resonators
Patent • #10,215,648. The present invention relates to magnetoelastic resonators, sensors, and tunable devices, as well as methods for making such components. The resonators can be used as tags and/or sensors. In general, the resonators include one or more micron-sized resonator portions affixed on a substrate. For use as a tag, each...
Electrodes for microfluidic applications
Patent • #7,094,326. An electrode device for high pressure applications. These electrodes, designed to withstand pressure of greater than 10,000 psi, are adapted for use in microfluidic devices that employ electrokinetic or electrophoretic flow. The electrode is composed, generally, of an outer electrically insulating tubular body having a porous ceramic frit material...
Electrofracturing test system and method of determining material characteristics of electrofractured material samples
Patent • #9,719,908. A device for electrofracturing a material sample and analyzing the material sample is disclosed. The device simulates an in situ electrofracturing environment so as to obtain electrofractured material characteristics representative of field applications while allowing permeability testing of the fractured sample under in situ conditions.
Electrokinetic pump
Patent • #7,297,246. A method for altering the surface properties of a particle bed. In application, the method pertains particularly to an electrokinetic pump configuration where nanoparticles are bonded to the surface of the stationary phase to alter the surface properties of the stationary phase including the surface area and/or the zeta...
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