Patents Assigned to JX Nippon Mining & Metals Corporation
  • Patent number: 10443111
    Abstract: The present invention provides a method for removing iron from an iron-containing solution containing an iron ion, comprising adding a lithium ion battery cathode material containing manganese to an acidic sulfuric acid solution to obtain a cathode material-containing solution, and then precipitating a manganese ion as manganese dioxide in a mixed solution obtained by mixing the iron-containing solution with the cathode material-containing solution while precipitating the iron ion contained in the iron-containing solution as a solid.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: October 15, 2019
    Assignee: JX NIPPON MINING & METALS CORPORATION
    Inventors: Junichi Arakawa, Junichi Ito, Takuya Yokota
  • Patent number: 10448507
    Abstract: To provide a copper foil and a copper-clad laminate board that have a favorably suppressed transmission loss even in the use thereof in a high frequency circuit board that is folded in use or bent in use. A copper foil having a number of times of folding of 1 or more in a folding test under a prescribed condition for a copper-clad laminate board containing the copper foil having adhered thereto an insulating substrate.
    Type: Grant
    Filed: January 13, 2017
    Date of Patent: October 15, 2019
    Assignee: JX Nippon Mining & Metals Corporation
    Inventor: Ryo Fukuchi
  • Patent number: 10442159
    Abstract: Provided is an electromagnetic shielding material having improved electromagnetic shielding properties, light weight properties and formability. The present invention relates to an electromagnetic shielding material having a structure in which at least three metal foils are laminated via insulating layers, wherein all of combinations of the metal foils and the insulating layers making up the electromagnetic shielding material satisfy the equation: ?M×dM×dR?3×10?3, in which: the symbol ?M represents conductivity of each metal foil at 20° C. (S/m); the symbol dM represents the thickness of each metal foil (m); and the symbol dR represents the thickness of each insulating layer (m).
    Type: Grant
    Filed: June 18, 2015
    Date of Patent: October 15, 2019
    Assignee: JX Nippon Mining & Metals Corporation
    Inventors: Koichiro Tanaka, Kenji Sato
  • Publication number: 20190309325
    Abstract: (Technical problems to be solved) To provide a method for selecting mineral of molybdenum. (Means for solving the problems) Composition comprising M13 phage for separating a substance containing molybdenum.
    Type: Application
    Filed: June 6, 2017
    Publication date: October 10, 2019
    Applicants: SHIBAURA INSTITUTE OF TECHNOLOGY, JX NIPPON MINING & METALS CORPORATION
    Inventors: Mitsuo YAMASHITA, Akira MIURA
  • Patent number: 10431439
    Abstract: A tantalum sputtering target containing niobium and tungsten as essential components in a total amount of 1 massppm or more and less than 10 massppm, and having a purity of 99.9999% or higher excluding niobium, tungsten and gas components. Provided is a high purity tantalum sputtering target comprising a uniform and fine structure which is adjusted to be within an optimal range and which enables deposition of a uniform film at a high deposition rate in a stable manner.
    Type: Grant
    Filed: September 26, 2014
    Date of Patent: October 1, 2019
    Assignee: JX Nippon Mining & Metals Corporation
    Inventor: Kunihiro Oda
  • Patent number: 10431438
    Abstract: A high-purity titanium target for sputtering having a purity of 5N5 (99.9995%) or higher, wherein the high-purity titanium target has no macro pattern on the target surface. An object of this invention is to provide a high-quality titanium target for sputtering, in which impurities causing particles and abnormal discharge phenomena are reduced, and which is free from fractures and cracks even during high-rate sputtering, and capable of stabilizing the sputtering characteristics, effectively inhibiting the generation of particles during deposition, and improving the uniformity of deposition.
    Type: Grant
    Filed: March 3, 2014
    Date of Patent: October 1, 2019
    Assignee: JX Nippon Mining & Metals Corporation
    Inventor: Shiro Tsukamoto
  • Publication number: 20190292630
    Abstract: An object of the present invention is to recover a minor metal and/or rare-earth metal. The present invention provides a method for recovering a minor metal and/or rare-earth metal from a post-chlorination residue in titanium smelting. The minor metal and/or rare-earth metal is one or more metal selected from the group consisting of Sc, V, Nb, Zr, Y, La, Ce, Pr, and Nd.
    Type: Application
    Filed: May 12, 2017
    Publication date: September 26, 2019
    Applicants: JX NIPPON MINING & METALS CORPORATION, TOHO TITANIUM CO., LTD.
    Inventors: Kota NAKASHIMA, Akira YOSHIMURA, Seiichiro TANI
  • Patent number: 10422022
    Abstract: Provided is a method for efficiently producing tungsten from a raw material mixture comprising at least one valuable containing tungsten. The present invention relates to a method for producing tungsten, comprising the steps of subjecting a raw material mixture comprising at least one valuable containing tungsten to electrolysis using an organic electrolytic solution to dissolve tungsten in the electrolytic solution; and calcining the electrolytic solution containing dissolved tungsten at a temperature of less than 800° C. to obtain tungsten.
    Type: Grant
    Filed: March 28, 2016
    Date of Patent: September 24, 2019
    Assignee: JX NIPPON MINING & METALS CORPORATION
    Inventor: Toshifumi Kawamura
  • Patent number: 10407766
    Abstract: A tantalum sputtering target, wherein, on a sputtering surface of the tantalum sputtering target, an average crystal grain size is 50 ?m or more and 150 ?m or less, and a variation in a crystal grain size is 30 ?m or less. A tantalum sputtering target, wherein, on a sputtering surface of the tantalum sputtering target, an orientation rate of a (200) plane exceeds 70%, an orientation rate of a (222) plane is 30% or less, an average crystal grain size is 50 ?m or more and 150 ?m or less, and a variation in a crystal grain size is 30 ?m or less. By controlling the crystal grain size of the target, or the crystal grain size and the crystal orientation of the target, effects are yielded in that the discharge voltage of the tantalum sputtering target can be reduced so that plasma can be more easily generated, and the voltage drift during deposition can be suppressed.
    Type: Grant
    Filed: December 6, 2013
    Date of Patent: September 10, 2019
    Assignee: JX Nippon Mining & Metals Corporation
    Inventors: Shinichiro Senda, Kotaro Nagatsu
  • Patent number: 10400304
    Abstract: The present invention provides a method for removing copper from lithium ion battery scrap containing copper, comprising a leaching step of adding the lithium ion battery scrap to an acidic solution and leaching the lithium ion battery scrap under a condition that an aluminum solid is present in the acidic solution; and a copper separating step of separating copper contained in the acidic solution as a solid from the acidic solution, after the leaching step.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: September 3, 2019
    Assignee: JX NIPPON MINING & METALS CORPORATION
    Inventors: Ken Adachi, Junichi Arakawa, Junichi Ito
  • Patent number: 10400342
    Abstract: Provided is a high purity tin (Sn) having an extremely low oxygen content. A high purity tin having a tin purity of 5N (99.999% by mass, provided that carbon, nitrogen, oxygen and hydrogen are excluded) or more, wherein the high purity tin has an oxygen content of less than 10 ppb by mass, as measured by elemental analysis using Dynamic-SIMS.
    Type: Grant
    Filed: October 12, 2016
    Date of Patent: September 3, 2019
    Assignee: JX Nippon Mining & Metals Corporation
    Inventors: Toru Imori, Kouichi Takemoto
  • Patent number: 10392679
    Abstract: The present invention is intended for effectively removing copper, iron, sulfur, which are impurities, from activated carbon on which gold is adsorbed before gold eluting in the point of view of gold recovery, and is related to a method for eluting gold from an activated carbon on which at least sulfur (S) and gold (Au) are adsorbed, whereas the activated carbon is washed with an alkali solution before eluting the gold, and then the gold is eluted from the activated carbon.
    Type: Grant
    Filed: December 4, 2015
    Date of Patent: August 27, 2019
    Assignee: JX NIPPON MINING & METALS CORPORATION
    Inventors: Kazuhiro Hatano, Akira Yoshimura, Ryosuke Tatsumi
  • Patent number: 10392693
    Abstract: A laminate structure having an indium target with the occurrence of defects being well controlled and excellent in adhesion between the indium target and a backing tube is provided. A laminate structure of an indium target and a backing tube wherein a defect area ratio at an indium-backing tube interface is 5.0% or less.
    Type: Grant
    Filed: February 18, 2016
    Date of Patent: August 27, 2019
    Assignee: JX Nippon Mining & Metals Corporation
    Inventors: Yousuke Endo, Hiroyoshi Yamamoto
  • Patent number: 10381203
    Abstract: Provided is a backing plate obtaining by bonding an anticorrosive metal and Mo or a Mo alloy, wherein the backing plate comprises, on a surface of the Mo or Mo alloy backing plate to be cooled (cooling surface side), a layer having a thickness corresponding to 1/40 to ? of a total thickness of the backing plate and formed from an anticorrosive metal obtained by bonding one or more types of metals selected from among Cu, Al and Ti, or an alloy thereof. Additionally provided is a sputtering target-backing plate assembly obtained by bonding the foregoing Mo or Mo alloy backing plate and a target formed from a low thermal expansion material. Particularly in semiconductor applications, reductions in size have progressed and control of particles during sputtering has become stricter. The present invention aims to resolve the problem of warpage of sputtering targets formed from low thermal expansion materials and problems occurring with respect to the anticorrosive properties of Mo or Mo alloy backing plates.
    Type: Grant
    Filed: July 16, 2015
    Date of Patent: August 13, 2019
    Assignee: JX Nippon Mining & Metals Corporation
    Inventors: Hiroshi Takamura, Ryo Suzuki
  • Patent number: 10383222
    Abstract: To provide a surface-treated copper foil that is excellent in adhesiveness to an insulating substrate at ordinary temperature, and is capable of suppressing the formation of blister on application of a thermal load of reflow soldering to a copper-clad laminate board constituted by the copper foil. A surface-treated copper foil having a surface-treated surface, the surface-treated copper foil satisfying one or more of the following conditions (1) to (3): by an XPS measurement at a depth after sputtering from the surface-treated surface for 0.5 min at a rate of 1.1 nm/min (SiO2 conversion), (1) the N concentration is from 1.5 to 7.5 atomic %; (2) the C concentration is from 12 to 30 atomic %; and (3) the Si concentration is 3.1 atomic % or more and the O concentration is from 40 to 48 atomic %.
    Type: Grant
    Filed: January 4, 2017
    Date of Patent: August 13, 2019
    Assignee: JX Nippon Mining & Metals Corporation
    Inventors: Atsushi Miki, Ryo Fukuchi, Hideta Arai
  • Publication number: 20190240729
    Abstract: A surface treatment metal powder having any of the following characteristics is provided as a metal powder that can be suitably used for metal AM and has excellent laser absorbing characteristics: the brightness L* of the surface is 0-50; the color difference ?Eab of the surface is 40 or more; the color difference ?L of the surface is ?35 or less; the color difference ?a of the surface is 20 or less; and the color difference ?b of the surface is 20 or less (when determined on the basis of the object color of a white plate (brightness L*=94.14, color coordinate a*=?0.90, color coordinate b*=0.24)).
    Type: Application
    Filed: September 29, 2017
    Publication date: August 8, 2019
    Applicant: JX Nippon Mining & Metals Corporation
    Inventors: Hideki FURUSAWA, Kenji SATO, Terumasa MORIYAMA
  • Patent number: 10373730
    Abstract: The present invention provides metallic materials for electronic components, having low degree of whisker formation, low adhesive wear property and high durability, and connector terminals, connectors and electronic components using such metallic materials.
    Type: Grant
    Filed: June 25, 2013
    Date of Patent: August 6, 2019
    Assignee: JX Nippon Mining & Metals Corporation
    Inventors: Yoshitaka Shibuya, Kazuhiko Fukamachi, Atsushi Kodama
  • Patent number: 10361501
    Abstract: The present invention provides a Ni-plated copper or copper alloy material having both excellent hardness and excellent bendability. In the Ni-plated copper or copper alloy material having, an area ratio of a crystal having <001> plane orientation in a crystal plane parallel to a surface of a Ni plating, measured by an electron backscatter diffraction, is 15 to 35%.
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: July 23, 2019
    Assignee: JX Nippon Mining & Metals Corporation
    Inventor: Satoru Endo
  • Patent number: 10358697
    Abstract: The present invention provides a Cu—Co—Ni—Si alloy for an electronic component having improved reliability in which in addition to high strength and high electrical conduction, bendability generally difficult to achieve with strength is also provided to a Corson copper alloy. The present invention is a Cu—Co—Ni—Si alloy for an electronic component comprising 0.5 to 3.0% by mass of Co and 0.1 to 1.0% by mass of Ni, a concentration (% by mass) ratio of Ni to Co (Ni/Co) being adjusted in the range of 0.1 to 1.0, the alloy comprising Si so that a (Co+Ni)/Si mass ratio is in the range of 3 to 5, and comprising a balance comprising Cu and unavoidable impurities, wherein a coefficient of variation of concentration ratios of Co to Ni (Co/Ni) measured for at least 100 second-phase particles is 20% or less.
    Type: Grant
    Filed: October 4, 2016
    Date of Patent: July 23, 2019
    Assignee: JX Nippon Mining & Metals Corporation
    Inventor: Hiroyasu Horie
  • Patent number: 10354846
    Abstract: The present invention is a sputtering target-backing plate assembly in which the sputtering target is made from Ta having a 02% proof stress of 150 to 200 MPa, and the backing plate is made from a Cu alloy having a 0.2% proof stress of 60 to 200 MPa. The present invention aims to increase the uniformity of the film thickness as well as increase the deposition rate and improve the productivity by reducing, as much as possible, the plastic deformation of the sputtering target caused by the repeated thermal expansion and contraction of the sputtering target-backing plate assembly as a bimetal.
    Type: Grant
    Filed: October 29, 2014
    Date of Patent: July 16, 2019
    Assignee: JX Nippon Mining & Metals Corporation
    Inventors: Kotaro Nagatsu, Shinichiro Senda