Patents Examined by Shamim Ahmed
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Patent number: 12290458Abstract: An intravascular stent and method of making an intervascular stent having a hybrid pattern a. The hybrid pattern comprises a plurality of circumferentially self-expansible members comprising a plurality of interconnected, geometrically deformable closed cells, adjacent self-expansible members interconnected by a plurality of bridge members linking a first interconnection between two closed cells in a first self-expansible member to a second interconnection between two closed cells in a second self-expansible member, wherein the second interconnection is circumferentially offset and non-adjacent to the first interconnection.Type: GrantFiled: July 17, 2023Date of Patent: May 6, 2025Assignee: Vactronix Scientific, LLCInventors: Armando Garza, Julio C. Palmaz, Michael Poor
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Patent number: 12290862Abstract: A method for coating a substrate 11 is disclosed. The method includes at least the following steps: depositing a first base layer 22 comprising a nitride of at least Al and Cr on the substrate 11 by physical vapor deposition at a gradually increasing substrate bias voltage from a first substrate bias voltage to a second substrate bias voltage; depositing a second base layer 23 comprising a nitride of at least Al and Cr on the first base layer 22 by physical vapor deposition at a constant substrate bias voltage that is greater or equal to the second substrate bias voltage; and depositing an outermost indicator layer 24 on the second base layer 23, wherein the outermost indicator layer 24 comprises a nitride of Si and Me, wherein Me is at least one of Ti, Zr, Hf, and Cr, wherein the outermost indicator layer 24 is deposited by physical vapor deposition at a substrate bias voltage that is less than the constant substrate bias voltage applied during deposition of the second base layer 23.Type: GrantFiled: April 18, 2023Date of Patent: May 6, 2025Assignee: KENNAMETAL INC.Inventor: Joern Kohlscheen
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Patent number: 12291770Abstract: The mask includes a first surface and a second surface that are arranged opposite to each other. The first surface includes a plurality of first grooves, the second surface includes a plurality of second grooves, the plurality of second grooves and the plurality of first grooves are in a one-to-one correspondence, and each second groove and a respective first groove corresponding to the each second groove penetrate the mask. On the second surface, the distance between adjacent second grooves is greater than a preset distance, where the preset distance is greater than zero.Type: GrantFiled: November 4, 2021Date of Patent: May 6, 2025Assignee: KUNSHAN GO-VISIONOX OPTO-ELECTRONICS CO., LTDInventors: Mingxing Liu, Shuaiyan Gan, Weili Li, Bing Han
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Patent number: 12288909Abstract: The present invention relates to a method for manufacturing a membrane-electrode assembly and a membrane-electrode assembly manufactured thereby, and more specifically, to a method for manufacturing a membrane-electrode assembly by using a nano-dispersed ionomer binder under supercritical conditions in a mixed solvent comprising alcohol and water, and a membrane-electrode assembly manufactured thereby and a fuel cell or water electrolysis device comprising same.Type: GrantFiled: April 12, 2022Date of Patent: April 29, 2025Assignee: DANKOOK UNIVERSITY CHEONAN CAMPUS INDUSTRY ACADEMIC COOPERATION FOUNDATIONInventors: Chang Hyun Lee, Jun Hyun Lim
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Patent number: 12285778Abstract: A method for coating products is provided. The method includes the steps of applying a coating liquid to a product and removing excess coating liquid from the product. It is desirable to provide a method for efficiently and reliably coating delicate or easily deformable products, such as products molded from a pulp fiber slurry. The method includes fixing the product to a receiving portion of a product carrier that is configured in the same shape as the product, such that an exterior surface of the product abuts the interior concave surface of the receiving portion of the device. A coating liquid is applied to the product in the product carrier. The product carrier is affixed to a centrifuging device and the coating liquid is dispersed over the surface of the product using centripetal force.Type: GrantFiled: July 8, 2024Date of Patent: April 29, 2025Assignee: PAPACKS SALES GMBHInventors: Tahsin Dag, Florian Barth, Memet Dag
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Patent number: 12280091Abstract: Apparatuses and methods are provided. Some methods may include providing a substrate to a processing chamber, the substrate having a first material adjacent to and covering a surface of a second material, modifying a layer of the first material by flowing a first process gas onto the substrate and thereby creating a modified layer of the first material, removing the modified layer of the first material by flowing a second process gas onto the substrate, and converting, when the surface of the second material is uncovered via removal of the modified layer, the surface to a converted layer of the second material by flowing a third process gas onto the substrate, in which the first and second process gases are less reactive with the converted layer than with the first material and the second material.Type: GrantFiled: December 10, 2021Date of Patent: April 22, 2025Assignee: Lam Research CorporationInventors: Andreas Fischer, Thorsten Bernd Lill
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Patent number: 12278093Abstract: A plasma etching method is disclosed. The plasma etching method comprises: a first step for vaporizing liquid pentafluoropropanol (PFP); a second step for supplying discharge gas comprising the vaporized PFP and argon gas into a plasma chamber in which an object to be etched is placed; and a third step for discharging the discharge gas to generate plasma and etching the object by using the plasma.Type: GrantFiled: March 2, 2021Date of Patent: April 15, 2025Assignee: AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATIONInventors: Chang-Koo Kim, Jun-Hyun Kim
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Patent number: 12266505Abstract: A method for achieving uniformity in an etch rate is described. The method includes receiving a voltage signal from an output of a match, and determining a positive crossing and a negative crossing of the voltage signal for each cycle of the voltage signal. The negative crossing of each cycle is consecutive to the positive crossing of the cycle. The method further includes dividing a time interval of each cycle of the voltage signal into a plurality of bins. For one or more of the plurality of bins associated with the positive crossing and one or more of the plurality of bins associated with the negative crossing, the method includes adjusting a frequency of a radio frequency generator to achieve the uniformity in the etch rate.Type: GrantFiled: February 8, 2021Date of Patent: April 1, 2025Assignee: Lam Research CorporationInventors: Alexei Marakhtanov, Felix Leib Kozakevich, Ranadeep Bhowmick, Bing Ji, John Holland
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Patent number: 12265055Abstract: The present invention relates to a method of forming a material on a graphene layer structure 5 for injecting charge into, or extracting charge out of, the graphene layer structure 5, the method comprising: providing a graphene layer structure 5 having one or more first portions 25 on a non-metallic substrate 10, said one or more first portions 25 having one or more surface defects comprising excess out-of-plane material 15; plasma etching the one or more first portions 25 of the graphene layer structure 5 to remove the out-of-plane material 15; depositing a material 30 for injecting charge into, or extracting charge out of, the graphene layer structure 5 onto the one or more plasma-etched first portions 25.Type: GrantFiled: November 23, 2021Date of Patent: April 1, 2025Assignee: Paragraf LimitedInventors: Lok Yi Lee, Hugh Glass, Simon Thomas, Ivor Guiney
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Patent number: 12266539Abstract: In a method of forming a groove pattern extending in a first axis in an underlying layer over a semiconductor substrate, a first opening is formed in the underlying layer, and the first opening is extended in the first axis by directional etching to form the groove pattern.Type: GrantFiled: July 24, 2023Date of Patent: April 1, 2025Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Ru-Gun Liu, Chih-Ming Lai, Wei-Liang Lin, Yung-Sung Yen, Ken-Hsien Hsieh, Chin-Hsiang Lin
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Patent number: 12262481Abstract: A method of manufacturing an electrical device, comprising: forming a patterned inorganic liftoff layer to expose a target electrode site on a softening polymer layer, depositing an electrode layer on the inorganic liftoff layer and on the exposed target electrode site, and removing the inorganic liftoff layer by a horizontal liftoff etch to leave the electrode layer on the exposed target electrode site.Type: GrantFiled: January 2, 2024Date of Patent: March 25, 2025Assignee: Board of Regents, The University of Texas SystemInventors: Romil Modi, Jonathan Reeder, Gregory T. Ellson, Walter E. Voit, Alexandra Joshi Imre
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Patent number: 12252436Abstract: A method of production of glass reaction vessels includes irradiating a laser beam of a wavelength for which a first glass plate is transparent onto the surface of the first glass plate. The first hiss plate is etched. Etching of the first glass plate is terminated when the recesses extend, over only a portion of the thickness of the first glass plate and therefore the recesses have a bottom formed in the first glass plate as a single piece.Type: GrantFiled: November 10, 2020Date of Patent: March 18, 2025Assignee: LPKF LASER & ELECTRONICS AGInventors: Robin Krüger, Malte Schulz-Ruhtenberg, Jan Van Aalst, Moritz Woller
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Patent number: 12247141Abstract: The present invention relates to a polishing slurry composition. A polishing slurry composition according to an embodiment of the present disclosure comprises: a nonionic polymer having at least one amide bond; a selectivity control agent; and abrasive particles.Type: GrantFiled: November 4, 2019Date of Patent: March 11, 2025Assignee: KCTECH CO., LTD.Inventors: Nak Hyun Choi, Jung Yoon Kim, Hae Won Yang, Soo Wan Choi
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Patent number: 12247299Abstract: Provided is a treatment liquid for a semiconductor with ruthenium, containing a hypobromite ion. Also provided is a treatment liquid for a semiconductor with ruthenium, containing at least a bromine-containing compound, an oxidizing agent, a basic compound, and water which are added and mixed, wherein the liquid has the bromine-containing compound added in an amount of 0.01 mass % or more and less than 2 mass % as a bromine element content with respect to the total mass of the liquid, has the oxidizing agent added in an amount of 0.1 mass % or more and 10 mass % or less with respect to the total mass, and has a pH of 8 or more and 14 or less. Further provided is a method of producing a treatment liquid for a semiconductor with ruthenium, including a step of mixing a bromine-containing compound with a solution containing a hypochlorous acid compound and a basic compound.Type: GrantFiled: April 26, 2023Date of Patent: March 11, 2025Assignee: TOKUYAMA CORPORATIONInventors: Tomoaki Sato, Yuki Kikkawa, Takafumi Shimoda, Takayuki Negishi
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Patent number: 12249493Abstract: A method includes loading a wafer over a wafer chuck in a process chamber; performing a deposition process on the loaded wafer; supplying a fluid medium to a fluid guiding structure in the wafer chuck from a fluid inlet port on the wafer chuck, the fluid guiding structure comprising a plurality of arc-shaped channels fluidly communicated with each other; guiding the fluid medium from a first one of the arc-shaped channels of the fluid guiding structure to a second one of the arc-shaped channels of the fluid guiding structure. The second one of the arc-shaped channels of the fluid guiding structure is concentric with the first one of the arc-shaped channels of the fluid guiding structure from a top view.Type: GrantFiled: February 22, 2023Date of Patent: March 11, 2025Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Sheng-Chun Yang, Yi-Ming Lin, Po-Wei Liang, Chu-Han Hsieh, Chih-Lung Cheng, Po-Chih Huang
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Patent number: 12237171Abstract: Methods and systems for depositing vanadium nitride layers onto a surface of the substrate and structures and devices formed using the methods are disclosed. An exemplary method includes using a cyclical deposition process, depositing a vanadium nitride layer onto a surface of the substrate. The cyclical deposition process can include providing a vanadium halide precursor to the reaction chamber and separately providing a nitrogen reactant to the reaction chamber. The cyclical deposition process may desirably be a thermal cyclical deposition process.Type: GrantFiled: October 12, 2023Date of Patent: February 25, 2025Assignee: ASM IP Holding B.V.Inventors: Giuseppe Alessio Verni, Qi Xie, Henri Jussila, Charles Dezelah, Jiyeon Kim, Eric James Shero, Paul Ma
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Patent number: 12234383Abstract: Shallow Trench Isolation (STI) chemical mechanical planarization (CMP) polishing compositions, methods and systems of use therefore are provided. The CMP polishing composition comprises abrasives of ceria coated inorganic oxide particles, such as ceria-coated silica; and dual chemical additives for providing the tunable oxide film removal rates and tunable SiN film removal rates; low oxide trench dishing, and high oxide: SiN selectivity. Dual chemical additives comprise at least one silicone-containing compound comprising at least one of (1) ethylene oxide and propylene oxide (EO-PO) group, and at least one of substituted ethylene diamine group on the same molecule; and (2) at least one non-ionic organic molecule having at least two, preferably at least four hydroxyl functional groups.Type: GrantFiled: May 25, 2021Date of Patent: February 25, 2025Assignee: Versum Materials US, LLCInventors: Xiaobo Shi, Krishna P. Murella, Joseph D. Rose, Hongjun Zhou, Mark Leonard O'Neill
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Patent number: 12227840Abstract: A method is provided and includes: determining a temperature distribution pattern across a substrate or a support plate of a substrate support; determining, based on the temperature distribution pattern, a number of masks to apply to a top surface of the support plate, where the number of masks is greater than or equal to two; and determining patterns of the masks based on the temperature distribution pattern; and applying the masks over the top surface. The method further includes: performing a first machining process to remove a portion of the support plate unprotected by the masks to form first mesas and first recessed areas between the first mesas; removing a first mask from the support plate; performing a second machining process to form second recessed areas and at least one of second mesas or a first seal band area; and removing a second mask from the support plate.Type: GrantFiled: August 4, 2022Date of Patent: February 18, 2025Assignee: Lam Research CorporationInventors: Keith Gaff, Devin Ramdutt, Ann Erickson
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Patent number: 12221699Abstract: The problem of the present invention is to provide a plating stack (a stack of plating films) for applying on surface of conductor circuits or the like, the plating stack can maintain high bond strength when solder is bonded on that and can be produced stably. In the method for producing a plating stack of the present invention, a plating layer A mainly composed of a second metal is deposited on an object to be plated S mainly composed of a first metal by a substitution reaction, then a plating layer B mainly composed of palladium is deposited on the plating layer A, and then a plating layer C mainly composed of nickel is deposited on the plating layer B by a redox reaction. The first metal is, for example, copper. The second metal is, for example, gold, platinum or silver.Type: GrantFiled: February 3, 2021Date of Patent: February 11, 2025Assignee: JAPAN PURE CHEMICAL CO., LTD.Inventors: Kenji Yoshiba, Yusuke Yaguchi, Hiroshi Minowa
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Patent number: 12209310Abstract: The present disclosure relates, in part, to an apparatus for controlling the concentration of a component within a gas mixture. In particular embodiments, the component is a vaporized liquid component, such as a vaporized stabilizer or a vaporized precursor. Also described are systems thereof and methods for such control.Type: GrantFiled: July 21, 2021Date of Patent: January 28, 2025Assignee: Lam Research CorporationInventors: Ramesh Chandrasekharan, Easwar Srinivasan, Erica Sakura Strandberg Pohl, Andrew Borth, Aleksey V. Altecor