Patents Examined by Xiaobei Wang
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Patent number: 11846008Abstract: The present invention relates to Nb-based refractory alloys that are less expensive and less dense than current Nb-based refractory alloys, have better ductility than current Nb-based refractory alloys, yet which have similar or better high temperature strengths and oxidation resistance when compared to current Nb-based refractory alloys. Such Nb-based refractory alloys typically continue to be compatible with current coating systems for Nb-based refractory alloys. Such Nb-based refractory alloys are disclosed herein.Type: GrantFiled: January 4, 2022Date of Patent: December 19, 2023Assignee: United States of America as represented by Secretary of the Air ForceInventors: Kevin J. Chaput, Oleg N. Senkov, Todd M. Butler, Satish I Rao
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Patent number: 11839936Abstract: To provide a sheet for sintering bonding and the same with a base material suited for lamination and integration and also suited for realizing satisfactory operational efficiency in a sintering process in a process of producing semiconductor devices that go through sintering bonding of semiconductor chips. A sheet for sintering bonding 10 of the present invention comprises an electrically conductive metal containing sinterable particle and a binder component. In this sheet, the minimum load, reached during an unloading process in load-displacement measurement according to a nanoindentation method, is ?100 to ?30 ?N. Alternatively, the ratio of the minimum load to a maximum load, reached during a load applying process in the above measurement, is ?0.2 to ?0.06. A sheet body X, a sheet for sintering bonding with a base material of the present invention, has a laminated structure comprising a base material B and the sheet 10.Type: GrantFiled: March 13, 2020Date of Patent: December 12, 2023Assignee: NITTO DENKO CORPORATIONInventors: Ryota Mita, Tomoaki Ichikawa
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Patent number: 11837393Abstract: Example nanoparticles may include an iron-based core, and a shell. The shell may include a non-magnetic, anti-ferromagnetic, or ferrimagnetic material. Example alloy compositions may include an iron-based grain, and a grain boundary. The grain boundary may include a non-magnetic, anti-ferromagnetic, or ferrimagnetic material. Example techniques for forming iron-based core-shell nanoparticles may include depositing a shell on an iron-based core. The depositing may include immersing the iron-based core in a salt composition for a predetermined period of time. The depositing may include milling the iron-based core with a salt composition for a predetermined period of time. Example techniques for treating a composition comprising core-shell nanoparticles may include nitriding the composition.Type: GrantFiled: September 30, 2021Date of Patent: December 5, 2023Assignee: Regents of the University of MinnesotaInventors: Jian-Ping Wang, Bin Ma, Jinming Liu, Yiming Wu, YanFeng Jiang
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Patent number: 11833605Abstract: A workpiece of Ti or a Ti alloy includes a surface with a coating layer of titanium nitride. A region of the surface includes a connection zone of a Ti—N solid solution alloy. A second Ti or Ti alloy workpiece is contacted with the connection zone, and a weld joint is formed across the connection zone with a resistance welding process. The weld joint extends into the first Ti workpiece and the second Ti workpiece.Type: GrantFiled: June 15, 2021Date of Patent: December 5, 2023Assignee: Medtronic, Inc.Inventor: Hailiang Zhao
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Patent number: 11826849Abstract: A joining method includes performing a first heat treatment step on a first superalloy workpiece and a second superalloy workpiece wherein at least one of the first and second superalloy workpieces include a gamma matrix phase and a gamma-prime precipitate phase. The first and second superalloy workpieces are joined using a solid state joining process, subjected to a post-weld stress relief operation and a final aging heat treatment.Type: GrantFiled: February 11, 2021Date of Patent: November 28, 2023Assignee: RTX CorporationInventors: Ashwin Raghavan, Enrique E. Montero, Max A. Kaplan, Eli N. Ross, Mario P. Bochiechio
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Patent number: 11826821Abstract: According to an embodiment, a method for manufacturing a joined metal member includes: disposing a first metal member inside a mold of an injection molding apparatus, the first metal member being made of a first metal material, unevenness being formed over a surface of the first metal member, and an oxide film being formed so as to cover the unevenness; and injecting a second metal material into the mold, and thereby molding a second metal member and joining the second metal member to the first metal member, the second metal material being, when it is injected into the mold, in a semi-molten state, or in a molten state in which a difference between a temperature of the second metal material and a liquidus temperature thereof is smaller than or equal to 30° C.Type: GrantFiled: April 14, 2022Date of Patent: November 28, 2023Assignees: THE JAPAN STEEL WORKS, LTD., DAICEL MIRAIZU LTD.Inventors: Takeshi Yamaguchi, Chikara Kawabe, Takayuki Uno, Kiyoshi Shimizu
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Patent number: 11806964Abstract: Systems, methods, components, and parts are provided for improving casting and electroplating performance of a plated cast part by doping a semiconductor material with an electrically active dopant before mixing the semiconductor material into a base material. The doped semiconductor material improves the castability of the base material and has an improved electrical conductivity which is closer to that of the base material such that a consistency of a subsequent plating on the part is improved.Type: GrantFiled: August 31, 2021Date of Patent: November 7, 2023Assignee: Honeywell Federal Manufacturing & Technologies, LLCInventors: Barbara Diane Young, Steven James Sedlock
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Patent number: 11806806Abstract: A joint structure includes a first material (1), a second material (2) weldable to the first material, and a third material (3) at least a portion of which being sandwiched between the first material and the second material, having a through opening portion at the sandwiched portion, and including a material that is difficult to be welded to both the first material and the second material, the first material and the second material welded the via through opening portion. At least one of the first material and the second material is provided with a protrusion (14) inserted in the through opening portion. A first gap (4) is provided between an inner peripheral surface of the through opening portion and the protrusion. A second gap (5) is provided between the first material and the second material, the second gap having a size depending on a plate thickness of the first material in a region corresponding to the protrusion. Under a condition in which the second gap has a size of greater than or equal to 0.Type: GrantFiled: March 28, 2017Date of Patent: November 7, 2023Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Atsuhiro Kawamoto, Junji Fujiwara, Shigeki Yonemori
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Patent number: 11802346Abstract: The present invention provides a nickel-plated and thermally-treated steel sheet with excellent corrosion resistance, in which a remaining nickel amount obtained by analyzing an nickel-iron alloy layer using energy dispersive spectrometry (EDS) or electron probe X-ray microanalysis (EPMA) after pure nickel remaining on the nickel-iron alloy layer was completely removed after the heat treatment for alloying of a nickel plated layer with base iron is 0.1 wt % or more to less than 30 wt % of the total amount of iron and nickel.Type: GrantFiled: July 15, 2020Date of Patent: October 31, 2023Assignee: TCC Steel Corp.Inventors: Tae Woo Kwon, Hyun Jun Baek, Yoon Han Kim, Jun Mo Jeon
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Patent number: 11802326Abstract: An anisotropic bonded magnet and a preparation method thereof are provided. By stacking magnets having different magnetic properties and/or densities, the magnets in the middle have high properties and the magnets at two ends and/or the periphery have low properties, thereby compensating for a property deviation caused by a difference in pressing densities during a pressing process, and improving the property uniformity of the magnets in an axial direction. The method solves the problem of “low in the middle and high at two ends” caused by the phenomenon of non-uniform magnetic field orientation and density along a height direction during orientation and densification.Type: GrantFiled: May 26, 2021Date of Patent: October 31, 2023Assignees: GRIREM HI-TECH CO., LTD., GRIREM ADVANCED MATERIALS CO., LTD., Grirem (Rongcheng) Co., Ltd.Inventors: Yang Luo, Yuanfei Yang, Zilong Wang, Dunbo Yu, Hongbin Zhang, Jiajun Xie, Zhou Hu, Zhongkai Wang
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Patent number: 11786993Abstract: A method for producing a precoated steel sheet (1) includes providing a precoated steel strip comprising a steel substrate (3) having, on at least one of its main faces, a precoating comprising an intermetallic alloy layer and a metallic alloy layer. The metallic alloy layer is a layer of aluminum, a layer of aluminum alloy or a layer of aluminum-based alloy. The method also includes laser cutting said precoated steel strip so as to obtain at least one precoated steel sheet (1) comprising a cut edge surface (13) resulting from the cutting operation. The cut edge surface (13) includes a substrate region (14) and a precoating region (15) and the thickness of the precoated steel sheet (1) is comprised between 0.8 mm and 5 mm. The laser cutting is carried out such that it results directly in a corrosion-improved zone (19) of the cut edge surface (13).Type: GrantFiled: October 19, 2018Date of Patent: October 17, 2023Assignee: ARCELORMITTALInventors: Francis Schmit, Quentin Bernardi
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Patent number: 11788191Abstract: A sliding member includes, on a surface of a metal substrate, a surface-treated layer including a zinc-electroplated layer, a chemical conversion-treated layer, and a topcoat layer sequentially stacked on the metal substrate. The chemical conversion-treated layer includes chromium and oxygen. The topcoat layer includes at least one material selected from the group consisting of a silica compound, acrylic resin, polyurethane resin, epoxy resin, phenol resin, and melamine resin. A method of manufacturing the sliding member includes a step of forming, on a surface of the chemical conversion-treated layer, the topcoat layer including at least one material selected from the group consisting of a silica compound, acrylic resin, polyurethane resin, epoxy resin, phenol resin, and melamine resin.Type: GrantFiled: March 3, 2017Date of Patent: October 17, 2023Assignee: NISSAN MOTOR CO., LTD.Inventors: Satoshi Watanabe, Soichiro Sugawara, Ikuo Konno
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Patent number: 11786969Abstract: Provided is a method for producing a sliding member formed by impregnating a porous base member made of a bronze-based alloy with a resin material, the sliding member including a sliding surface where both the porous base member and the resin material are exposed, the method including: a step of preparing a back metal layer; a porous base member formation step of forming the porous base member by depositing particles of the bronze-based alloy on a surface of the back metal layer and sintering the particles; an impregnation step of impregnating the porous base member with the resin material; a deformation step of deforming an end edge of the back metal layer in a direction away from the sliding surface; and a cutting step of cutting the porous base member impregnated with the resin material to form the sliding surface.Type: GrantFiled: April 1, 2022Date of Patent: October 17, 2023Assignee: DAIDO METAL COMPANY LTD.Inventors: Ayako Yamamoto, Yoshifumi Ito, Norihito Watanabe, Hirotaka Inoue, Akihiro Matsuoka
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Patent number: 11780013Abstract: An optical mount part having a body that includes a composite of a titanium-zirconium-niobium alloy. The titanium-niobium-zirconium alloy includes titanium, about 13.5 to about 14.5 wt. % zirconium, and about 18 to about 19 weight % (wt. %) niobium. The titanium-niobium-zirconium alloy has a congruent melting temperature of about 1750 to about 1800° Celsius (° C.).Type: GrantFiled: July 30, 2020Date of Patent: October 10, 2023Assignee: RAYTHEON COMPANYInventors: Sunder S. Rajan, Keith Carrigan, Kurt S. Ketola
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Patent number: 11761071Abstract: Provided is a beryllium copper alloy bonded body including a first member made of a beryllium copper alloy and a second member made of a beryllium copper alloy, wherein the first member and the second member are bonded to each other via the nickel layer having a thickness of 8 ?m or less.Type: GrantFiled: December 28, 2021Date of Patent: September 19, 2023Assignees: NGK INSULATORS, LTD., Tatsuno CorporationInventors: Takahiro Ishikawa, Takenori Ichigi, Tsutomu Otaki
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Patent number: 11761065Abstract: A tungsten wire is a tungsten wire containing tungsten or a tungsten alloy, a diameter of the tungsten wire is at most 100 ?m, and a total number of torsional rotations to breakage per length of 50 mm of the tungsten wire is greater than or equal to 250×exp(?0.026×D) when a tension that is 50% of a breakage tension of the tungsten wire is applied as a load, D denoting the diameter of the tungsten wire.Type: GrantFiled: April 13, 2020Date of Patent: September 19, 2023Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Tomohiro Kanazawa, Naoki Kohyama, Yoshihiro Iguchi, Yui Nakai
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Patent number: 11762338Abstract: A non-magnetic watch component (1) comprising a substrate (4) made of a copper alloy, wherein at least one part of the substrate (4) has a surface layer (5) including CuxTiy intermetallics, and a method for manufacturing this watch component.Type: GrantFiled: January 6, 2021Date of Patent: September 19, 2023Assignee: Nivarox-FAR S.A.Inventor: Christian Charbon
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Patent number: 11738412Abstract: An electrical assembly includes an electrical connector soldered to a conductive pad disposed on a glass surface by a solder alloy consisting essentially of 17% to 28% indium by weight, 12% to 20% zinc by weight, 1% to 6% silver by weight, 1% to 3% copper by weight, and a remaining weight of the solder alloy being tin.Type: GrantFiled: June 8, 2022Date of Patent: August 29, 2023Assignee: APTIV TECHNOLOGIES LIMITEDInventors: Stephen C. Antaya, William Falk, Justin Amalfitano, Amit Datta
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Patent number: 11742141Abstract: A metal magnetic particle provided with an oxide layer on a surface of an alloy particle containing Fe and Si. The oxide layer has a first oxide layer, a second oxide layer, and a third oxide layer from a side of the alloy particle. All of the first oxide layer, the second oxide layer, and the third oxide layer contain Si. Also, in line analysis of element content by using a scanning transmission electron microscope-energy dispersive X-ray spectroscopy, the first oxide layer is a layer having Fe content smaller than Si content in the alloy particle, the second oxide layer is a layer having Fe content larger than the Si content in the alloy particle, and the third oxide layer is a layer having Fe content smaller than the Si content in the alloy particle.Type: GrantFiled: March 25, 2021Date of Patent: August 29, 2023Assignee: Murata Manufacturing Co., Ltd.Inventors: Takuya Ishida, Makoto Yamamoto, Katsutoshi Uji, Yuya Ishida, Mitsuru Odahara
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Patent number: 11732332Abstract: A nickel-base alloy welding material according to an embodiment comprises: Cr (chromium) larger than 30.0% and less than or equal to 36.0% by mass; C (carbon) less than or equal to 0.050% by mass; Fe (iron) larger than or equal to 1.00% and less than or equal to 3.00% by mass; Si (silicon) less than or equal to 0.50% by mass; Nb (niobium)+Ta (tantalum) less than or equal to 3.00% by mass; Ti (titanium) less than or equal to 0.70% by mass; Mn (manganese) larger than or equal to 0.10% and less than or equal to 3.50% by mass; Cu (copper) less than or equal to 0.5% by mass, and a remainder is Ni and unavoidable impurities.Type: GrantFiled: May 5, 2020Date of Patent: August 22, 2023Assignees: Kabushiki Kaisha Toshiba, Toshiba Energy Systems & Solutions CorporationInventors: Yoshinori Katayama, Wataru Kono, Minoru Obata, Yasuo Morishima, Takahiro Hayashi, Yumiko Abe, Daiki Tanaka