Patents Examined by Christopher Remavege
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Patent number: 12709699Abstract: A polishing liquid containing: abrasive grains containing a hydroxide of a tetravalent metal element; a monovalent acid component having no carboxy group; and a non-ionic polymer, in which a pH is 4.5 or less. A polishing method including a step of polishing a surface to be polished by using this polishing liquid.Type: GrantFiled: November 11, 2020Date of Patent: August 18, 2026Assignee: Resonac CorporationInventors: Daisuke Iikura, Masako Aoki
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Patent number: 12707911Abstract: A method for patterning a boron-containing hard mask includes patterning an oxide hard mask formed on a boron-containing hard mask, and patterning the boron-containing hard mask using the patterned oxide hard mask, wherein the oxide hard mask comprises silicon oxide (SiO2), the boron-containing hard mask is doped with one or more metal elements, and the patterning of the boron-containing hard mask comprises etching the boron-containing hard mask through openings of the patterned oxide hard mask using an etching gas mixture comprising chlorine (Cl2), hydrogen bromide (HBr), and oxygen (O2).Type: GrantFiled: April 16, 2024Date of Patent: August 11, 2026Assignee: Applied Materials, Inc.Inventors: Han Wang, Chao Li, Yu Yang, Gene Lee
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Patent number: 12699331Abstract: A structure and method for providing alignment aids that are co-fabricated with the optical emission output from a laser pedestal are described. In embodiments, the alignment aids are formed using processes and masking layers that produce a ridge waveguide laser structure. The use of same masking processes for the laser and the alignment aids provides lithographic level precision in the positioning of the alignment aids in relation to the optical output from the laser device. Optoelectrical die formed with the alignment aids may be used with complementary interposer structures to enable alignment of optical output from lasers formed on the optoelectrical die with optical devices on the interposer.Type: GrantFiled: May 24, 2022Date of Patent: August 4, 2026Inventor: Suresh Venkatesan
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Patent number: 12698454Abstract: An object of the present invention is to provide a method for producing a treatment liquid, having excellent filterability.Type: GrantFiled: December 29, 2022Date of Patent: August 4, 2026Assignee: FUJIFILM CorporationInventor: Tetsuya Kamimura
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Patent number: 12695059Abstract: Systems and methods for synchronization of radio frequency (RF) pulsing schemes and of sensor data collection are described. One of the methods includes receiving, by an RF generator, a first set of one or more variable levels and one or more duty cycles of an RF signal. The method further includes receiving, by the RF generator from a pulse controller, a synchronization signal having a plurality of pulses. The method also includes generating, during a clock cycle of a clock signal, multiple instances of a first plurality of states of the RF signal in synchronization with the plurality of pulses of the synchronization signal. Each of the first plurality of states of the RF signal has a corresponding one of the one or more variable levels of the first set and a corresponding one of the one or more duty cycles of the first set.Type: GrantFiled: October 15, 2021Date of Patent: July 28, 2026Assignee: Lam Research CorporationInventors: John Stephen Drewery, Ying Wu, Alexander Miller Paterson, Luc Albarede
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Patent number: 12696743Abstract: An etching liquid is supplied to a principal surface of a substrate that has the principal surface on which a processing object layer having a plurality of crystal grains is exposed (first etching step). A polymer-containing liquid containing a polymer is supplied to the principal surface of the substrate after the first etching step, and a polymer layer at least portion of which is embedded in a crystal grain boundary which is a boundary of the crystal grains is formed (polymer layer forming step). The processing object layer is etched by supplying an etching liquid to the principal surface of the substrate after the polymer layer forming step (second etching step).Type: GrantFiled: September 16, 2022Date of Patent: July 28, 2026Assignee: SCREEN Holdings Co., Ltd.Inventors: Kana Tahara, Masaki Inaba
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Patent number: 12679999Abstract: The present invention relates to: a slurry composition for final polishing of a silicon wafer, which reduces haze and the number of defects in the surface of an object to be polished and has excellent performance; and a final polishing method using same, the slurry composition comprising 1-20 wt % of colloidal silica as abrasive particles, 0.03-0.5 wt % of a surfactant, 0.1-10 wt % of a pH adjuster, 0.02-2 wt % of a water-soluble thickener, 0.05-0.2 wt % of a chelating agent, and 0.1-1 wt % of an organic base.Type: GrantFiled: June 8, 2022Date of Patent: July 14, 2026Assignee: YCCHEM CO., LTDInventors: Jun Han Kim, Seung Hun Lee, Seung Hyun Lee
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Patent number: 12674234Abstract: In a cleaning process for removing parasitic depositions on surfaces of a process chamber of a CVD reactor, a susceptor of the CVD reactor is heated by a heating device, and the susceptor is regulated to a specified temperature or is heated with a constant heat output. Concurrently, an etching gas is supplied to the heated process chamber. The thermal response of at least one object is monitored, in which the thermal response is the temperature of the wide face of a process chamber cover, the wide face facing away from the process chamber. The parasitic depositions influence the emissivity of the surface of the process chamber cover, the emissivity influencing the temperature distribution in the process chamber. The supply of etching gas is terminated when the temperature reaches a comparison value, the temperature changing in response to changes in the surface emissivity during the cleaning process.Type: GrantFiled: March 17, 2021Date of Patent: July 7, 2026Assignee: AIXTRON SEInventors: Utz Herwig Hahn, Martin Eickelkamp, Dirk Fahle
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Patent number: 12673294Abstract: Systems and methods for removing impurities from exhaust gases produced by semiconductor processing tools, e.g., such as a wet bench, utilize cooled scrubbing fluids and non-random structured packing materials to achieve and enhance removal of acid or alkaline components in the exhaust gas along with an enhanced removal of volatile organic components in the exhaust gas. Removal efficiencies of the acid or alkaline components of greater than 90% and removal efficiencies of the volatile organic components of greater than 70% are described.Type: GrantFiled: May 16, 2022Date of Patent: July 7, 2026Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventor: Chih-Ming Tsao
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Patent number: 12672499Abstract: A substrate processing method includes a first process of supplying an etching liquid to a peripheral portion of a substrate while rotating the substrate having a metal polycrystalline film formed on a front surface thereof; a second process of supplying a rinse liquid to a portion of the substrate closer to a center side of the substrate than a supply position of the etching liquid in the first process while rotating the substrate; a third process of supplying the etching liquid to the peripheral portion of the substrate while rotating the substrate; a fourth process of supplying the rinse liquid to a portion of the substrate closer to the center side of the substrate than a supply position of the etching liquid in the third process while rotating the substrate; and a fifth process of drying the substrate after the fourth process.Type: GrantFiled: January 12, 2024Date of Patent: June 30, 2026Assignee: TOKYO ELECTRON LIMITEDInventors: Akira Fujita, Kyosei Goto, Hiroki Aso, Daisuke Saiki
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Patent number: 12669692Abstract: Provided is an efficient method for attaching a tissue section. In the invention, one of problems is solved by changing attachment conditions of the tissue section depending on an organ from which the tissue section is derived. A technique of achieving good adhesiveness between a microscope slide and a section by introducing unevenness on a front surface of the microscope slide using reactive ion etching as one of the attachment conditions is provided. Further, a technique of optimizing the attachment of the section using a machine learning technique or the like is provided.Type: GrantFiled: October 16, 2019Date of Patent: June 30, 2026Assignee: Hitachi High-Tech CorporationInventors: Toru Fujimura, Takahito Hashimoto, Shigehiko Kato, Eiko Nakazawa, Masahiko Ajima, Akira Sawaguchi
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Patent number: 12655370Abstract: A metal residue removing liquid including a mixed solvent containing a first organic solvent and a second organic solvent, a salt of a base containing no metal ions and hydrofluoric acid, and water, in which the first organic solvent is diethylformamide, and the mixed solvent has a value of 0.6 or more, which is obtained by subtracting a hydrogen bond term of a Hansen solubility parameter from a polar term of the Hansen solubility parameter.Type: GrantFiled: September 1, 2023Date of Patent: June 16, 2026Assignee: TOKYO OHKA KOGYO CO., LTD.Inventors: Ivan Ryzhii, Mai Sugawara, Yugeng Wu
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Patent number: 12636749Abstract: A method of cleaning and polishing a backside surface of a semiconductor wafer is provided. The method includes placing an abrasive brush, comprising an abrasive tape wound around an outer surface of a brush member of the abrasive brush, on the backside surface of the semiconductor wafer. The method also includes rotating the brush member to polish the backside surface of the semiconductor wafer by abrasive grains formed on the abrasive tape and to clean the backside surface of the semiconductor wafer by the brush member which is not covered by the abrasive tape.Type: GrantFiled: July 30, 2024Date of Patent: May 26, 2026Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.Inventors: Kei-Wei Chen, Chih Hung Chen
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Patent number: 12634588Abstract: A monitoring method includes a setting-up processing step, a capturing step, and a monitoring step. The setting-up processing step includes a step of generating, with a camera, a plurality of preliminarily captured images corresponding to a plurality of irradiation modes, a step of identifying a non-existent region indicating at least one of a shadow and a reflected image of an object included in a preliminarily captured image in a first irradiation mode, based on a difference between the plurality of preliminarily captured images, and a step of storing non-existent-region data in a storage. In the capturing step after the setting-up processing step, the camera generates a monitoring captured image while the capture region is irradiated with the illumination light in the first irradiation mode. In the monitoring step, the monitoring target object is monitored based on a region of the monitoring captured image except the non-existent region.Type: GrantFiled: February 15, 2023Date of Patent: May 19, 2026Assignee: SCREEN Holdings Co., Ltd.Inventor: Shinji Shimizu
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Patent number: 12635440Abstract: A semiconductor processing tool includes a cleaning chamber configured to perform a post-chemical mechanical polishing/planarization (post-CMP) cleaning operation in an oxygen-free (or in a near oxygen-free) manner. An inert gas may be provided into the cleaning chamber to remove oxygen from the cleaning chamber such that the post-CMP cleaning operation may be performed in an oxygen-free (or in a near oxygen-free) environment. In this way, the post-CMP cleaning operation may be performed in an environment that may reduce oxygen-causing corrosion of metallization layers and/or metallization structures on and/or in the semiconductor wafer, which may increase semiconductor processing yield, may decrease semiconductor processing defects, and/or may increase semiconductor processing quality, among other examples.Type: GrantFiled: July 10, 2024Date of Patent: May 19, 2026Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Ji Cui, Chih Hung Chen, Liang-Guang Chen, Kei-Wei Chen
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Patent number: 12629306Abstract: A composition may include, in dry form: (a) nigrosin; (b) wheat flour; and (c) whole egg. Such compositions may be used for production of test soil for assessment of the cleaning action of cleaning devices. Methods of producing a test soil for assessment of the cleaning action of cleaning devices for cleaning of vessels for human egesta, e.g., of washer-disinfectors, including dissolving the composition in an aqueous medium. A test soil may include the constituents of the composition in an aqueous medium, and such soils may be used for assessment of the cleaning action of cleaning devices. A method may assess the cleaning action of cleaning devices for cleaning of vessels for human egesta.Type: GrantFiled: July 8, 2020Date of Patent: May 19, 2026Assignee: MEIKO Maschinenbau GmbH & Co. KGInventors: Martin Hofer, Marijan Simundic
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Patent number: 12628610Abstract: In certain embodiments, a workstation includes: a cleaning station configured to clean a die vessel, wherein the die vessel is configured to secure a semiconductor die; an inspection station configured to inspect the die vessel after cleaning to determine whether the die vessel is identified as passing inspection; and a conveyor configured to move the die vessel between the cleaning station and the inspection station.Type: GrantFiled: July 25, 2024Date of Patent: May 12, 2026Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Tsung-Sheng Kuo, Guan-Wei Huang, Chih-Hung Huang, Yang-Ann Chu, Hsu-Shui Liu, Jiun-Rong Pai
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Patent number: 12625411Abstract: An etching method includes forming a metal oxide layer that is a barium titanate layer or a strontium titanate layer over a substrate, and etching the metal oxide layer using atomic layer etching.Type: GrantFiled: April 20, 2023Date of Patent: May 12, 2026Assignee: PsiQuantum, Corp.Inventors: Colleen Shang Fenrich, George Kovall
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Patent number: 12618825Abstract: A biological sensing system, comprising a microelectrode array having a plurality of islands that are thermally isolated from each other and are interconnected by flexible nano-scale wires. An embedded complementary metal oxide semiconductor (CMOS) instrumentation amplifier and wireless communication circuitry may be operatively connected to the microelectrode array and embedded within input/output pads connected to the wires at the periphery of the array.Type: GrantFiled: April 14, 2023Date of Patent: May 5, 2026Assignee: Purdue Research FoundationInventors: Hossein Pajouhi, Saeed Mohammadi, Mojgan Sarmadi
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Patent number: 12617000Abstract: A system for cleaning, repairing, and/or replacing damaged shaker screens is disclosed. The system may comprise a shale shaker with a replaceable shaker screen, at least one camera, and a computer processor. The camera is positioned to capture images of the shale shaker screen and the processor is capable of receiving said images from the camera. The processor is configured to analyze the images and detect damaged regions of the shale shaker screen. The processor is also configured to determine when a screen is damaged above a predefined threshold. Certain embodiments allow for the automatic cleaning, repair, and/or replacement of the shaker screen.Type: GrantFiled: November 10, 2023Date of Patent: May 5, 2026Assignee: Helmerich & Payne Technologies, LLCInventor: Peter A. Torrione