Patents Examined by Weiping Zhu
  • Methods of controlling nanostructure formations and shapes
    Patent number: 10195670
    Abstract: A method of forming monodispersed metal nanowires comprising: forming a reaction mixture including a metal salt, a capping agent and a ionic additive in a reducing solvent at a first temperature; and forming metal nanowires by reducing the metal salt in the reaction mixture.
    Type: Grant
    Filed: August 11, 2016
    Date of Patent: February 5, 2019
    Assignee: Cambrios Film Solutions Corporation
    Inventor: Pierre-Mar Allemand
  • Organic acid-or latent organic acid-functionalized polymer-coated metal powders for solder pastes
    Patent number: 10189121
    Abstract: The present invention relates to organic acid- or latent organic acid-functionalized polymer-coated metal powders, such as metal powders used as appropriate in the formation of solder alloys, spheres and pastes.
    Type: Grant
    Filed: May 18, 2017
    Date of Patent: January 29, 2019
    Assignee: Henkel IP & Holding GmbH
    Inventor: Puwei Liu
  • Methods of making parts from at least one elemental metal powder
    Patent number: 10189087
    Abstract: One aspect of the disclosure relates to a method of making a part from at least one elemental metal powder. The part has a near-net shape, a part volume, and a part density. The method includes providing a sintered preform having a sintered density and separating a portion from the sintered preform. The portion has a portion volume exceeding the part volume and a portion shape different from the near-net shape of the part. The method also includes thermally cycling the portion for a thermal-cycling time period at a thermal-cycling pressure while superplastically deforming the portion to form the part having the near net shape and the part density.
    Type: Grant
    Filed: February 10, 2014
    Date of Patent: January 29, 2019
    Assignee: THE BOEING COMPANY
    Inventors: Marc R. Matsen, Matthew Douglas Carter, Carey Eugene Wilkinson, Lee C. Firth
  • Brass alloy comprising ceramic alumina nanoparticles and having improved machinability
    Patent number: 10174405
    Abstract: The present invention refers to a brass alloy, wherein Al2O3 is present in the alloy in the form of ceramic nanoparticles. Furthermore the invention refers to a method for production of the brass alloy.
    Type: Grant
    Filed: November 12, 2014
    Date of Patent: January 8, 2019
    Assignee: Nordic Brass Gusum AG
    Inventors: Inge Svenningsson, Jan Nilsson
  • Non-oriented silicon steel and manufacturing process thereof
    Patent number: 10176910
    Abstract: The present invention provides a non-oriented silicon steel with excellent magnetic properties and a manufacturing process therefor. During the manufacturing process of the present invention, the temperature T of the molten steel of steel tapped from a converter during steelmaking and the carbon content [C] and the free oxygen content [O] comply with the following formula: 7.27×103?[O][C]e(?5000/T)?2.99×104, and the final annealing step uses tension annealing at a low temperature for a short time. A non-oriented silicon steel with a low iron loss, and excellent anisotropy of iron loss can be obtained by means of the manufacturing process of the present invention.
    Type: Grant
    Filed: December 11, 2012
    Date of Patent: January 8, 2019
    Assignee: Baoshan Iron & Steel Co., Ltd.
    Inventors: Shishu Xie, Xiandong Liu, Xiao Chen, Hongxu Hei, Bo Wang, Aihua Ma, Liang Zou, Huawei Zhang, Wei Cao, Feng Zhang, Junliang Liu
  • Electrode material for thermal-fuse movable electrode
    Patent number: 10176958
    Abstract: The present invention is an electrode material constituting a movable electrode of a thermal fuse, having a five-layer clad structure including a core material layer, an intermediate layer formed on the both sides of the core material layer, and a surface layer formed on the intermediate layer, wherein the core material layer includes Cu, the intermediate layer includes an Ag—Cu-based alloy, the surface layer includes an Ag—CuO-based oxide-dispersed strengthened alloy, and the ratio of the thickness of the intermediate layer to the thickness of the surface layer (intermediate layer/surface layer) is 0.2 or more and 1.0 or less. This electrode material can be manufactured by partially internally oxidizing a three-layer clad material in which plate materials made of an Ag—Cu-based alloy are clad-jointed to both sides of the plate material made of Cu.
    Type: Grant
    Filed: April 26, 2013
    Date of Patent: January 8, 2019
    Assignee: TANAKA KIKINZOKU KOGYO K.K.
    Inventors: Osamu Sakaguchi, Michiya Takahashi, Shinya Adachi
  • Systems and methods for forming a layer onto a surface of a solid substrate and products formed thereby
    Patent number: 10151363
    Abstract: A method for forming a vehicular brake rotor involving loading a shaped metal substrate with a mixture of metal alloying components and ceramic particles in a dieheating the contents of the die while applying pressure to melt at least one of the metal components of the alloying mixture whereby to densify the contents of the die and form a ceramic particle-containing metal matrix composite coating on the metallic substrate; and cooling the resulting coated product.
    Type: Grant
    Filed: November 24, 2017
    Date of Patent: December 11, 2018
    Assignee: ATS MER, LLC
    Inventors: Lori Bracamonte, James Withers, Jowie Abcede
  • Method and device for producing a component of a turbomachine
    Patent number: 10144062
    Abstract: A method for producing a component of a turbomachine is disclosed. The method includes a) layer-by-layer deposition of a powder component material onto a component platform in a region of a buildup and joining zone, where the deposition takes place in accordance with layer information of the component to be produced; b) local layer-by-layer fusion or sintering of the powder component material by energy supplied in the region of the buildup and joining zone, where the buildup and joining zone is heated to a temperature just below a melting point of the powder component material; c) layer-by-layer lowering of the component platform by a predefined layer thickness; and d) repetition of steps a) to c) until the component is finished. A device for producing a component of a turbomachine is also disclosed.
    Type: Grant
    Filed: September 30, 2010
    Date of Patent: December 4, 2018
    Assignee: MTU Aero Engines GmbH
    Inventors: Erwin Bayer, Karl-Hermann Richter
  • Methods of making sintered articles
    Patent number: 10144065
    Abstract: Methods of making sintered articles from powder metal carbide compositions by additive manufacturing techniques are described herein. Sintered carbide articles fabricated by such additive manufacturing techniques, in some embodiments, exhibit densities equaling articles formed according to conventional techniques employed in powder metallurgy. For example, a method of manufacturing an article comprises providing sintered cemented carbide powder comprising a hard particle phase including tungsten carbide and a metallic binder phase and forming the sintered cemented carbide powder into a green article by one or more additive manufacturing techniques. The green article is sintered to provide a sintered article having density greater than 90% theoretical full density, wherein the green article has a density less than 50% theoretical full density prior to sintering.
    Type: Grant
    Filed: January 7, 2015
    Date of Patent: December 4, 2018
    Assignee: KENNAMETAL INC.
    Inventors: Pantcho Stoyanov, Paul Prichard
  • Cu core ball
    Patent number: 10147695
    Abstract: A Cu core ball is provided that prevents any soft errors and decreases any connection failure. The Cu core ball includes a solder plating film formed on the surface of a Cu ball that is a Sn solder plating film or is made of a lead-free solder alloy, a principal ingredient of which is Sn. The solder plating film contains U of 5 ppb or less and Th of 5 ppb or less. The Cu ball has a purity of not less than 99.9% Cu and not more than 99.995% Cu. Pb and/or Bi contents therein are at a total of 1 ppm or more. The sphericity thereof is 0.95 or more. The obtained Cu core ball has an ? dose of 0.0200 cph/cm2 or less.
    Type: Grant
    Filed: June 19, 2013
    Date of Patent: December 4, 2018
    Assignee: Senju Metal Industry Co., Ltd.
    Inventors: Hiroyoshi Kawasaki, Tomohiko Hashimoto, Atsushi Ikeda, Takahiro Roppongi, Daisuke Soma, Isamu Sato, Yuji Kawamata
  • Sn-Cu-based lead-free solder alloy
    Patent number: 10137536
    Abstract: Provided is a solder alloy having excellent wettability on both of a Cu surface and an Ni surface. The solder alloy has such an alloy composition that 0.6 to 0.9 mass % of Cu and 0.01 to 0.1 mass % of Al are contained, 0.02 to 0.1 mass % of Ti and/or 0.01 to 0.05 mass % of Co may be contained as required and the remainder is made up by Sn.
    Type: Grant
    Filed: December 25, 2012
    Date of Patent: November 27, 2018
    Assignee: SENJU METAL INDUSTRY CO., LTD.
    Inventors: Tsukasa Ohnishi, Shunsaku Yoshikawa, Seiko Ishibashi, Rei Fujimaki
  • High-strength hot-rolled steel sheet and method for producing same
    Patent number: 10138536
    Abstract: A high-strength hot-rolled steel sheet including a chemical composition containing, in percent by mass, 0.05% to 0.12% of C, 0.05% to 1.0% of Si, 0.5% to 1.8% of Mn, 0.04% or less of P, 0.0030% or less of S, 0.005% to 0.07% of Al, 0.006% or less of N, 0.05% to 0.15% of Ti, and the balance being Fe and incidental impurities, in which, in a region in the range of ? to ? of the sheet thickness, the content of Ti*, which is Ti existing as precipitates, is 0.3×[Ti] to 0.6×[Ti], where [Ti] is the Ti content, and the steel sheet has a microstructure in which the area fraction of the bainite phase in the entire structure is more than 95%.
    Type: Grant
    Filed: December 26, 2012
    Date of Patent: November 27, 2018
    Assignee: JFE Steel Corporation
    Inventors: Katsumi Nakajima, Hayato Saito, Yoshimasa Funakawa
  • Cu ball, Cu core ball, solder joint, solder paste, and solder foam
    Patent number: 10137535
    Abstract: Provided are a Cu ball, a Cu core ball, a solder joint, solder paste and foamed solder, which are superior in the impact resistance to dropping and can inhibit any occurrence of poor joints a junction defect. An electronic component 60 is constructed by joining a solder bump 30 of a semiconductor chip 10 to an electrode 41 of a printed circuit board 40 with solder paste 12, 42. The solder bump 30 is formed by joining an electrode 11 of the semiconductor chip 10 to the Cu ball 20. The Cu ball 20 according to the present invention contains purity which is equal to or higher than 99.9% and equal to or lower than 99.995%, sphericity which is equal to or higher than 0.95, and Vickers hardness which is equal to or higher than 20 HV and equal to or less than 60 HV.
    Type: Grant
    Filed: February 4, 2014
    Date of Patent: November 27, 2018
    Assignee: Senju Metal Industry Co., Ltd.
    Inventors: Hiroyoshi Kawasaki, Takahiro Roppongi, Daisuke Soma, Isamu Sato
  • Iron based sintered sliding member and method for producing same
    Patent number: 10131972
    Abstract: An iron-based sintered sliding member is provided in which solid lubricating agent is dispersed uniformly inside of powder particles in addition to inside of pores and particle interfaces of the powder, the agent is strongly fixed, and sliding properties and mechanical strength are superior. The iron-based sintered sliding member contains S: 0.2 to 3.24 mass %, Cu: 3 to 10 mass %, remainder: Fe and inevitable impurities, as an overall composition; the metallic structure includes a base in which sulfide particles are dispersed, and pores; the base is a ferrite phase or a ferrite phase in which copper phase is dispersed; and the sulfide particles are dispersed at a ratio of 0.8 to 15.0 vol % versus the base.
    Type: Grant
    Filed: March 7, 2014
    Date of Patent: November 20, 2018
    Assignee: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Daisuke Fukae, Hideaki Kawata
  • Method to form oxide dispersion strengthended (ODS) alloys
    Patent number: 10131969
    Abstract: Method for forming an oxide dispersion strengthened alloy. An alloy material (24) is melted with an energy beam (28) to form a melt pool (30) in the presence of a flux material (26), and particles (36) of a metal oxide are directed into the melt pool such that the particles are dispersed within the melt pool. Upon solidification, an oxide dispersion strengthened alloy (44) is formed as a layer bonded to an underlying substrate (20) or as an object contained on a removable support.
    Type: Grant
    Filed: August 27, 2014
    Date of Patent: November 20, 2018
    Assignee: SIEMENS ENERGY, INC.
    Inventors: Gerald J. Bruck, Ahmed Kamel
  • Thermomechanical rolling of an aluminum plate
    Patent number: 10131979
    Abstract: In a rolling process for reverse thermomechanically rolling an aluminum plate involving a plurality of rolling passes, identifying data are determined for thermally guiding the rolling process. Then a value of a state variable, from which a temperature of the aluminum plate can be deduced, is continuously measured and a pass schedule is determined for the rolling process on the basis of the value of the measured state variable and of the identifying data. The pass schedule provides for a rolling pause between at least two successive rolling passes, during which rolling of the aluminum plate is interrupted for cooling purposes.
    Type: Grant
    Filed: April 17, 2013
    Date of Patent: November 20, 2018
    Assignee: PRIMETALS TECHNOLOGIES GERMANY GMBH
    Inventors: Matthias Kurz, Birger Schmidt
  • Method for manufacturing an asymmetric component using additive manufacturing
    Patent number: 10118226
    Abstract: A method of fabricating a part by additive fabrication, in particular by melting or sintering particles of powder by means of a high energy beam. The method includes supplying a digital model of a part to be fabricated; orienting the model relative to a construction direction for constructing the part; modifying the model by adding a sacrificial balancing fraction configured so as to balance the residual stresses that appear in the part while it is being fabricated; making a rough part layer by layer using an additive fabrication technique on the basis of the model as modified in this way, the layers being stacked in the construction direction; and using a material-removal method to eliminate the sacrificial portion from the rough part as results from the sacrificial balancing fraction of the model, thereby obtaining the part that is to be fabricated.
    Type: Grant
    Filed: April 1, 2014
    Date of Patent: November 6, 2018
    Assignee: SAFRAN AIRCRAFT ENGINES
    Inventor: Cyrille Baudimont
  • Systems and methods for forming a layer onto a surface of a solid substrate and products formed thereby
    Patent number: 10113600
    Abstract: A method for forming a vehicular brake rotor involving loading a shaped metal substrate with a mixture of metal alloying components and ceramic particles in a dieheating the contents of the die while applying pressure to melt at least one of the metal components of the alloying mixture whereby to densify the contents of the die and form a ceramic particle-containing metal matrix composite coating on the metallic substrate; and cooling the resulting coated product.
    Type: Grant
    Filed: November 24, 2017
    Date of Patent: October 30, 2018
    Assignee: ATS MER, LLC
    Inventors: Lori Bracamonte, James Withers, Jowie Abcede
  • Systems and methods for forming a layer onto a surface of a solid substrate and products formed thereby
    Patent number: 10107344
    Abstract: A method for forming a vehicular brake rotor involving loading a shaped metal substrate with a mixture of metal alloying components and ceramic particles in a dieheating the contents of the die while applying pressure to melt at least one of the metal components of the alloying mixture whereby to densify the contents of the die and form a ceramic particle-containing metal matrix composite coating on the metallic substrate; and cooling the resulting coated product.
    Type: Grant
    Filed: November 24, 2017
    Date of Patent: October 23, 2018
    Assignee: ATS MER, LLC
    Inventors: Lori Bracamonte, James Withers, Jowie Abcede
  • Systems and methods for forming a layer onto a surface of a solid substrate and products formed thereby
    Patent number: 10100890
    Abstract: A method for forming a vehicular brake rotor involving loading a shaped metal substrate with a mixture of metal alloying components and ceramic particles in a dieheating the contents of the die while applying pressure to melt at least one of the metal components of the alloying mixture whereby to densify the contents of the die and form a ceramic particle-containing metal matrix composite coating on the metallic substrate; and cooling the resulting coated product.
    Type: Grant
    Filed: November 24, 2017
    Date of Patent: October 16, 2018
    Assignee: ATS MER, LLC
    Inventors: Lori Bracamonte, James Withers, Jowie Abcede