Patents Examined by Nicholas A. Smith
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Patent number: 12031217Abstract: A thin plate-shaped graphite product is produced by applying a current to an electrochemical reaction system including a graphite-containing anode, a cathode optionally containing graphite, and an electrolyte solution containing tetrafluoroboric acid or hexafluorophosphoric acid as an electrolyte. Flaky graphite is produced by subjecting the thin plate-shaped graphite product to delamination.Type: GrantFiled: June 16, 2021Date of Patent: July 9, 2024Assignees: KANEKA CORPORATION, NiSiNa Materials Co. Ltd.Inventors: Yasushi Nishikawa, Yuta Nishina
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Patent number: 12023750Abstract: Disclosed are a multi-channel electrochemical machining device and method for a blisk, and relate to the technical field of blisk electrochemical machining. The multi-channel electrochemical machining device for a blisk comprises an electrolytic bath used for accommodating an electrolyte, a blisk workpiece, a tube electrode and a top cover plate. The top cover plate is located above the blisk workpiece. An electrolysis chamber used for the tube electrode to electrolyze the blisk workpiece is formed between the lower surface of the top cover plate and the surface of the blisk workpiece. The electrolysis chamber communicates with the electrolytic bath. A drainage seam communicating the electrolysis chamber and the electrolytic bath along the axial direction of the blisk workpiece is formed in the upper surface of the top cover plate.Type: GrantFiled: April 24, 2023Date of Patent: July 2, 2024Assignee: Nanjing University of Aeronautics and AstronauticsInventors: Jia Liu, Shuanglu Duan, Di Zhu
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Patent number: 12017293Abstract: The invention discloses an electrochemical mechanical polishing/planarization equipment for processing a polishing surface of a conductive wafer substrate, which includes a power supply; a polishing table with conductivity; a polishing pad including an insulating active layer and having holes where a conductive chemical liquid is accommodated; a polishing head having conductivity and being attached to the back of the polishing surface. The power supply, the polishing table, the chemical liquid, the conductive wafer substrate, and the polishing head in sequence form a conductive loop, and an electrochemical reaction layer is formed on the polishing surface of the conductive wafer substrate. The polishing head drives the wafer substrate to move relative to the polishing pad, and to implement a mechanical polishing or a chemical mechanical polishing of the electrochemical reaction layer.Type: GrantFiled: January 19, 2023Date of Patent: June 25, 2024Assignee: HANGZHOU SIZONE ELECTRONIC TECHNOLOGY INC.Inventors: Yaomin Deng, Zhengting Zhu, Donghui Wang
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Patent number: 12019025Abstract: An apparatus and a method for preparing glow discharge sputtering samples for materials microscopic characterization are provided. The apparatus includes a glow discharge sputtering unit, a glow discharge power supply, a gas circuit automatic control unit, a spectrometer, and a computer. The structure of the glow discharge sputtering unit is optimized to be more suitable for sample preparation by simulation. By adding a magnetic field to the glow discharge plasma, uniform sample sputtering is realized within a large size range of the sample surface. The spectrometer monitors multi-element signal in a depth direction of the sample sputtering, so that precise preparation of different layer microstructures is realized. In conjunction with the acquisition of the sample position marks and the precise spatial coordinates (x, y, z) information, the correspondence between the surface space coordinates and the microstructure of the sample is conveniently realized.Type: GrantFiled: May 7, 2021Date of Patent: June 25, 2024Assignee: NCS Testing Technology CO., LTDInventors: Xing Yu, Haizhou Wang, Xuejing Shen, Xiaojia Li, Yifei Zhu, Weihao Wan, Yuhua Lu, Hui Wang, Qun Ren, Yongqing Wang, Zhenzhen Wan
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Patent number: 12006580Abstract: Processes and apparatus for electrocatalytically converting carbon dioxide emissions and/or ambient carbon dioxide into useful chemicals are described. The process may include: removing carbon dioxide from ambient air through a carbon capture technique, supplying a carbonate or bicarbonate aqueous solution as cathode feed to a cathode of an electrolytic cell comprising a membrane electrode assembly which includes a bipolar membrane separating an anode from the cathode, and applying an electrical potential difference between the cathode and the anode of the membrane electrode assembly to electrocatalytically reduce the carbonate or bicarbonate aqueous solution to carbon monoxide or another useful chemical.Type: GrantFiled: April 25, 2019Date of Patent: June 11, 2024Assignee: THE UNIVERSITY OF BRITISH COLUMBIAInventors: Curtis Berlinguette, Danielle Salvatore, Tengfei Li, Maxwell Goldman, Eric Lees
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Patent number: 12002667Abstract: There is provided a sputtering apparatus comprising: a target from which sputtered particles are emitted; a substrate support configured to support a substrate; a substrate moving mechanism configured to move the substrate in one direction; and a shielding member disposed between the target and the substrate support and having an opening through which the sputtered particles pass. The shielding member includes a first shielding member and a second shielding member disposed in a vertical direction.Type: GrantFiled: December 20, 2021Date of Patent: June 4, 2024Assignee: Tokyo Electron LimitedInventors: Masato Shinada, Tetsuya Miyashita, Einstein Noel Abarra
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Patent number: 12002668Abstract: Aspects of the disclosure provided herein generally provide a substrate processing system that includes: a processing chamber including: a top plate having an array of process station openings disposed therethrough surrounding a central axis, a bottom plate having a first central opening, and a plurality of side walls between the top plate and the bottom plate; a plurality of heaters disposed in the top plate and the bottom plate and configured in a plurality of regions; and a system controller configured to independently control the plurality of heaters in each region.Type: GrantFiled: June 25, 2021Date of Patent: June 4, 2024Assignee: APPLIED MATERIALS, INC.Inventors: Srinivasa Rao Yedla, Kirankumar Neelasandra Savandaiah, Thomas Brezoczky, Hari Prasath Rajendran
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Patent number: 11992889Abstract: A method for preparing a cross-dimension micro-nano structure array includes: S1. providing a workpiece immersed in the electrolyte as the first electrode, providing a trimming wire electrode as the second electrode and setting it above the workpiece, providing an interference beam adjuster and outputting multi-beam laser interference to irradiate the surface of the workpiece; S2. The power supply between the first electrode and the second electrode forms a loop, and drives the trimming wire electrode to reciprocate relative to the workpiece, and the workpiece undergoes electrochemical dissolution or electrochemical deposition at the corresponding position of the trimming wire electrode, and form a micro-nano structure array without a mask, and solves the problem of low output power of the existing ultrashort pulse power supply, improves the processing accuracy of the micro-nano structure array, does not require electrolyte for high-speed flow, and improves system safety and reduce the cost.Type: GrantFiled: November 21, 2020Date of Patent: May 28, 2024Assignee: SOOCHOW UNIVERSITYInventors: Haidong He, Zijie Xi, Chunju Wang, Lining Sun, Xuezhong Ning
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Patent number: 11987893Abstract: A system for extracting oxygen from powdered metal oxides, the system comprising a container comprising an electrolyte in the form of meltable or molten salt, at least one cathode, at least one anode, a power supply, and a conducting structure, wherein the cathode is shaped as a receptacle having a porous shell, which has an upper opening, the cathode being arranged in the electrolyte with the opening protruding over the electrolyte, wherein the conducting structure comprises a plurality of conducting elements and gaps between the conducting elements, wherein the power supply is connectable to the at least one cathode and the at least one anode to selectively apply an electric potential across the cathode and the anode, wherein the conducting structure is insertable into the cathode, such that the conducting elements reach into an inner space of the cathode, wherein the conducting structure is electrically connectable to the cathode, and wherein the system is adapted for reducing at least one respective metalType: GrantFiled: October 25, 2021Date of Patent: May 21, 2024Assignees: Airbus Defence and Space GmbH, Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.Inventors: Uday B. Pal, Achim O. Seidel, Peter Quadbeck, Astrid Adrian
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Patent number: 11980959Abstract: An electrochemical machining assembly for boring a passage in an electrically conductive workpiece. The electrochemical machining assembly includes an electrochemical machining tool having a telescoping collar with an articulating head coupled thereto. The telescoping collar is actuated between a contracted configuration and an extended configuration to advance the telescoping collar stepwise in the passage. The articulating head is tiltable relative to the telescoping collar to determine a direction of the passage. The electrochemical machining assembly is configured to remove material from the workpiece upon application of a voltage between the articulating head and the workpiece via a circulating electrolyte fluid to lengthen the passage.Type: GrantFiled: March 9, 2022Date of Patent: May 14, 2024Assignee: Textron Innovations Inc.Inventor: Kevin Joseph Monahan
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Patent number: 11976370Abstract: This invention relates to a method of selection of an electrocatalyst array for a desired product outcome. The method comprises exposing an electrocatalyst system to an active agent dissolved or suspended in a conductive solution; and applying a voltage to the electrocatalyst system. The voltage sufficient to cause a multi-electron oxidation or multi-electron reduction of the active species; the electrocatalyst system comprises a counter electrode; and an electrocatalyst array. The array comprising a support substrate; uniformly sized surface structures protruding from a surface of the support substrate; the uniformly sized surface structures have edges and/or apices comprising a catalyst.Type: GrantFiled: February 28, 2019Date of Patent: May 7, 2024Assignee: Manufacturing Systems LimitedInventors: Ali Hosseini, Ashton Cyril Partridge, Andrew Leo Haynes
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Patent number: 11975303Abstract: Embodiments relate to methods for enhancing chemical conversions. One or more embodiments relate to a method for enhancing a multi-step chemical conversion reaction. The method includes providing a reactant mixture comprising one or more reacting specie(s); and providing a catalyst or sorbent comprising one or more support materials and one or more deposited catalytically active materials. The method further includes applying an electromagnetic field with a prescribed power, frequency, and pulsing strategy specific to interactions of reactant species and an electromagnetic field with at least one of the support materials, sorbent, and catalytically active materials in a particular chemical reaction.Type: GrantFiled: March 15, 2019Date of Patent: May 7, 2024Assignee: United States Department of EnergyInventors: Dushyant Shekhawat, David A Berry, Mark W Smith, Christina Wildfire, Victor Abdelsayed
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Patent number: 11975969Abstract: A molten carbonate fuel cell-powered system for capturing carbon dioxide produced by a steam methane reformer system. Tail gas from a pressure swing adsorption system is mixed with exhaust gas from the fuel cell anode, then pressurized and cooled to extract liquefied carbon dioxide. The residual low-CO2 gas is directed to an anode gas oxidizer, to the anode, to the reformer to be burned for fuel, and/or to the pressure swing adsorption system. Low-CO2 flue gas from the reformer can be vented to the atmosphere or directed to the anode gas oxidizer. Reduction in the amount of CO2 reaching the fuel cell allows the fuel cell to be sized according to the power demands of the system and eliminates the need to export additional power output.Type: GrantFiled: March 8, 2021Date of Patent: May 7, 2024Assignee: FuelCell Energy, Inc.Inventors: Fred C. Jahnke, Stephen Jolly, Hossein Ghezel-Ayagh
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Patent number: 11974512Abstract: A preparation method of a silicon-based molecular beam heteroepitaxy material, a memristor, and use thereof are provided. A structure of the heteroepitaxy material is obtained by allowing a SrTiO3 layer, a La0.67Sr0.33MnO3 layer, and a (BaTiO3)0.5—(CeO2)0.5 layer to successively grow on a P-type Si substrate. The silicon-based epitaxy structure is obtained by allowing a first layer of SrTiO3, a second layer of La0.67Sr0.33MnO3, and a third layer of (BaTiO3)0.5—(CeO2)0.5 (in which an atomic ratio of BaTiO3 to CeO2 is 0.5:0.5) to successively grow at a specific temperature and a specific oxygen pressure. The preparation method of a silicon-based molecular beam heteroepitaxy material adopts pulsed laser deposition (PLD), which is relatively simple and easy to control, and can achieve the memristor function and neuro-imitation characteristics. A thickness of the first buffer layer of SrTiO3 can reach 40 nm.Type: GrantFiled: February 18, 2022Date of Patent: April 30, 2024Assignee: Hebei UniversityInventors: Xiaobing Yan, Haidong He, Zhen Zhao
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Patent number: 11952295Abstract: A control system of a dual power supply type electrolyzer includes an electrolyzer, a first power supply circuit, and a second power supply circuit. The electrolyzer includes a first electrode and a second electrode. The first power supply circuit connected to the first electrode. The second power supply circuit connected to the second electrode. The first power supply circuit and the second power supply circuit simultaneously supply power respectively to the first electrode and the second electrode. The first electrode and the second electrode have a same amount of power, but the first electrode and the second electrode have different polarities and their polarities alternate periodically.Type: GrantFiled: October 19, 2021Date of Patent: April 9, 2024Assignee: DARTPOINT TECH. CO., LTD.Inventor: Chung-Hsin Hsieh
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Patent number: 11952654Abstract: A sputtering device to sputter a liquid target. The sputtering device including a trough to receive a liquid target material and a device to stir or agitate the liquid target material. The device configured to degas the liquid target material or/and to dissipate solid particles or islands on a surface of the target or/and to move such particles or islands from an active surface region to a passive surface region and/or vice-versa, whereby the passive surface region is at least 50% less exposed to sputtering as the active surface region.Type: GrantFiled: October 22, 2019Date of Patent: April 9, 2024Assignee: EVATEC AGInventors: Dominik Jaeger, Thomas Tschirky, Marco Rechsteiner, Heinz Felzer, Hartmut Rohrmann
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Patent number: 11952273Abstract: We disclose herein a viable, cost efficient method for the instantaneous production of hydrogen gas. Hydrogen gas production is increased by utilizing solar and lunar energy. The hydrogen gas is generated spontaneously by the reaction of sodium hydroxide and aluminum as corrosion occurs, forming a layer of aluminum oxide upon the aluminum. This aluminum oxide layer prevents further reaction of sodium hydroxide and aluminum, and thus no more hydrogen gas is produced. Production of aluminum oxide can be bypassed by adding acetic acid or sodium acetate to the reaction. In this reaction the products are aluminum hydroxide and hydrogen gas. Thus, we disclose herein a method that prevents of the formation of aluminum oxide by the use of sodium acetate or acetic acid, the use of iron as a catalyst, and the enhancement of the reaction using natural light.Type: GrantFiled: December 12, 2011Date of Patent: April 9, 2024Inventors: Hari Har Parshad Cohly, Rajendram V. Rajnarayanan, Bharat Subodh Agrawal, Hui Chu Tsai
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Patent number: 11939661Abstract: According to one of various aspects of the present invention, a tungsten sputtering target has a purity of tungsten is 5 N (99.999% by weight) or more, and an impurity of carbon and an impurity of oxygen contained in tungsten are 50 ppm by weight or less, respectively, and an average grain size of tungsten crystal is more than 100 ?m.Type: GrantFiled: September 7, 2018Date of Patent: March 26, 2024Assignee: JX Metals CorporationInventors: Shinji Sogawa, Takafumi Dasai, Seiji Nakasumi
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Patent number: 11932934Abstract: Physical vapor deposition methods for reducing the particulates deposited on the substrate are disclosed. The pressure during sputtering can be increased to cause agglomeration of the particulates formed in the plasma. The agglomerated particulates can be moved to an outer portion of the process chamber prior to extinguishing the plasma so that the agglomerates fall harmlessly outside of the diameter of the substrate.Type: GrantFiled: September 9, 2022Date of Patent: March 19, 2024Assignee: Applied Materials, Inc.Inventors: Halbert Chong, Lei Zhou, Adolph Miller Allen, Vaibhav Soni, Kishor Kalathiparambil, Vanessa Faune, Song-Moon Suh
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Patent number: 11931701Abstract: Methods and systems for producing lithium hydroxide and lithium carbonate are described. One or more embodiments involve reacting potassium hydroxide with lithium chloride or lithium nitrate to create a reciprocal salt system, and precipitation to form lithium hydroxide and potassium chloride crystals, potassium nitrate crystals, or any combination thereof. In certain embodiments, lithium chloride feedstock, nitrate feedstock, or mixture thereof, is obtained by reacting lithium sulfate with calcium chloride, calcium nitrate, or combination thereof. Additional embodiments include producing lithium carbonate, including, but not limited to, by reacting lithium hydroxide with carbon dioxide.Type: GrantFiled: May 23, 2023Date of Patent: March 19, 2024Inventor: Peter Ehren