Patents Assigned to H.C. STARCK
  • Metal powder
    Patent number: 9856546
    Abstract: The invention provides for a cermet powder containing 75-90% by weight of at least one hard material powder, from 10 to 25% by weight of one or more matrix metal powders and up to 3% by weight of at least one modifier, wherein the matrix metal powder or powders contain from 0 to 38% by weight of cobalt, from 0 to 38% by weight of nickel, from 0 to 20% by weight of aluminum, from 0 to 90% by weight of iron and from 10 to 35% by weight of chromium and the sum of the contents of iron and chromium is in the range from 10 to 95% by weight and the sum of the contents of cobalt, nickel and iron is in the range from 65 to 95% by weight. The invention also relates to a cermet and a process to make the cermet containing the cermet powder and shaped article coated with the cermet powder and a process to make the shaped article.
    Type: Grant
    Filed: September 21, 2007
    Date of Patent: January 2, 2018
    Assignee: H. C. Starck GmbH
    Inventors: Jürgen Fischer, Aloys Eiling, Frank Schrumpf, Stefan Zimmermann, Peter Thienel, Roland Scholl
  • Molybdenum containing targets for touch screen device
    Patent number: 9837253
    Abstract: The invention is directed at sputter targets including 50 atomic % or more molybdenum, a second metal element of titanium, and a third metal element of chromium or tantalum, and deposited films prepared by the sputter targets. In a preferred aspect of the invention, the sputter target includes a phase that is rich in molybdenum, a phase that is rich in titanium, and a phase that is rich in the third metal element.
    Type: Grant
    Filed: July 30, 2015
    Date of Patent: December 5, 2017
    Assignee: H.C. STARCK INC.
    Inventors: Gary Alan Rozak, Mark E. Gaydos, Patrick Alan Hogan, Shuwei Sun
  • Niobium-based alloy that is resistant to aqueous corrosion
    Patent number: 9834829
    Abstract: In various embodiments, a metal alloy resistant to aqueous corrosion consists essentially of or consists of niobium with additions of tungsten, molybdenum, and one or both of ruthenium and palladium.
    Type: Grant
    Filed: February 10, 2017
    Date of Patent: December 5, 2017
    Assignee: H.C. STARCK INC.
    Inventors: Paul Aimone, Mei Yang
  • FeNi binder having universal usability
    Patent number: 9821372
    Abstract: A method for producing a composite material includes providing a composition comprising at least one hardness carrier and a base binder alloy, and sintering the composition. The base binder alloy comprises from 66 to 93 wt.-% of nickel, from 7 to 34 wt.-% of iron, and from 0 to 9 wt.-% of cobalt, wherein the wt.-% proportions of the base binder alloy add up to 100 wt.-%.
    Type: Grant
    Filed: May 24, 2012
    Date of Patent: November 21, 2017
    Assignee: H. C. STARCK GMBH
    Inventor: Benno Gries
  • Fine grained, non banded, refractory metal sputtering targets with a uniformly random crystallographic orientation, method for making such film, and thin film based devices and products made therefrom
    Patent number: 9783882
    Abstract: In various embodiments, a sputtering target initially formed by ingot metallurgy or powder metallurgy and rejuvenated by, e.g., cold spray, is utilized in sputtering processes to produce metallic thin films.
    Type: Grant
    Filed: September 10, 2014
    Date of Patent: October 10, 2017
    Assignees: H.C. Starck Inc., H.C. Starck GmbH
    Inventors: Steven A. Miller, Prabhat Kumar, Richard Wu, Shuwei Sun, Stefan Zimmermann, Olaf Schmidt-Park
  • Refractory metal plates
    Patent number: 9767999
    Abstract: A refractory metal plate is provided. The plate has a center, a thickness, an edge, a top surface and a bottom surface, and has a crystallographic texture (as characterized by through thickness gradient, banding severity; and variation across the plate, for each of the texture components 100//ND and 111//ND, which is substantially uniform throughout the plate.
    Type: Grant
    Filed: June 26, 2015
    Date of Patent: September 19, 2017
    Assignee: H.C. STARCK INC.
    Inventors: Peter R. Jepson, Dincer Bozkaya
  • Tantalum based alloy that is resistant to aqueous corrosion
    Patent number: 9725793
    Abstract: A tantalum or tantalum alloy which contains pure or substantially pure tantalum and at least one metal element selected from the group consisting of Ru, Rh, Pd, Os, Jr, Pt, Mo, W and Re to form a tantalum alloy that is resistant to aqueous corrosion. The invention also relates to the process of preparing the tantalum alloy.
    Type: Grant
    Filed: April 25, 2008
    Date of Patent: August 8, 2017
    Assignee: H.C. STARCK INC.
    Inventors: Paul R. Aimone, Evan Hinshaw
  • Niobium based alloy that is resistant to aqueous corrosion
    Patent number: 9580773
    Abstract: A niobium or niobium alloy which contains pure or substantially pure niobium and at least one metal element selected from the group consisting of Ru, Rh, Pd, Os, Ir, Pt, Mo, W and Re to form a niobium alloy that is resistant to aqueous corrosion. The invention also relates to the process of preparing the niobium alloy.
    Type: Grant
    Filed: August 25, 2015
    Date of Patent: February 28, 2017
    Assignee: H.C. STARCK INC.
    Inventors: Paul R. Aimone, Prabhat Kumar
  • Methods of manufacturing large-area sputtering targets using interlocking joints
    Patent number: 9564299
    Abstract: In various embodiments, joined sputtering targets are formed at least in part by spray deposition of the sputtering material and/or welding.
    Type: Grant
    Filed: February 12, 2016
    Date of Patent: February 7, 2017
    Assignee: H.C. Starck, Inc.
    Inventors: Scott Jeffrey Volchko, William Loewenthal, Stefan Zimmermann, Mark Gaydos, Steven Alfred Miller
  • Cermet powder
    Patent number: 9540715
    Abstract: A cermet powder includes a) from 50 to 90 wt-% of at least one hard material, and b) from 10 to 50 wt-% of a matrix metal composition. The wt.-% for a) and b) are based on a total weight of the cermet powder. The matrix metal composition comprises i) from 40 to 75 wt-% of iron and nickel, ii) from 18 to 35 wt-% of chromium, iii) from 3 to 20 wt.-% of molybdenum, and iv) from 0.5 to 4 wt-% of copper. The wt-% for i) to iv) are based in each case on a total weight of the matrix metal composition. A weight ratio of iron to nickel is from 3:1 to 1:3.
    Type: Grant
    Filed: September 4, 2012
    Date of Patent: January 10, 2017
    Assignee: H. C. STARCK GMBH
    Inventors: Stefan Zimmermann, Benno Gries
  • Niobium powders having a particle shape
    Patent number: 9543075
    Abstract: A valve metal powder having a particle shape factor mean value f, as determined by SEM image analysis, of 0.65?f?1, said powder has an average agglomerate particle size D50 value, as determined with a MasterSizer in accordance with ASTM B 822, of 40 to 200 ?m and wherein the valve metal powder is niobium.
    Type: Grant
    Filed: April 3, 2014
    Date of Patent: January 10, 2017
    Assignee: H.C. Starck GmbH
    Inventors: Josua Löffelholz, Jürgen Hilpert
  • Liquid cooled glass melt electrode
    Patent number: 9521706
    Abstract: In various embodiments, an electrode has a shaft extending from an electrode head and a cooling passage extending from an open end disposed at an attachment end of the shaft to a closed end disposed within the electrode head. The electrode head has an approximately teardrop shape with a smoothly rounded outer contour.
    Type: Grant
    Filed: April 23, 2014
    Date of Patent: December 13, 2016
    Assignee: H.C. STARCK INC.
    Inventors: Joseph Hirt, John Eiler
  • Valve metal and valve metal oxide agglomerate powders and method for the production thereof
    Patent number: 9466433
    Abstract: A refractory metal compound agglomerate powder having a product of a BET surface area in m2/g and a sliding coefficient of ? of 0.33 to 0.95, wherein the refractory metal compound agglomerate powder is selected from niobium agglomerate powder, niobium suboxide agglomerate powder, and tantalum agglomerate powder.
    Type: Grant
    Filed: February 18, 2015
    Date of Patent: October 11, 2016
    Assignee: H.C. STARCK GMBH
    Inventors: Christoph Schnitter, Holger Brumm
  • Metallic crucibles and methods of forming the same
    Patent number: 9457405
    Abstract: In various embodiments, a precursor powder is pressed into an intermediate volume and chemically reduced, via sintering, to form a metallic shaped article.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: October 4, 2016
    Assignee: H.C. Starck, Inc.
    Inventors: Maria Bozena Winnicka, Gary A. Rozak
  • Etch chemistries for metallization in electronic devices
    Patent number: 9455283
    Abstract: In various embodiments, etchants featuring (i) mixtures of hydrochloric acid, methanesulfonic acid, and nitric acid, or (ii) mixtures of phosphoric acid, methanesulfonic acid, and nitric acid, are utilized to etch metallic bilayers while minimizing resulting etch discontinuities between the layers of the bilayer.
    Type: Grant
    Filed: March 3, 2015
    Date of Patent: September 27, 2016
    Assignees: H.C. Starck, Inc., Daetec, LLC
    Inventors: Patrick Hogan, John Moore, Alex Brewer, Jared Pettit
  • SINTERED MOLYBDENUM CARBIDE-BASED SPRAY POWDER
    Publication number: 20160243616
    Abstract: A sintered spray powder includes from 5 to 50 wt.-% of a metallic matrix, from 50 to 95 wt.-% of a hard material, and from 0 to 10 wt.-% of a wear-modifying oxide, each based on the total weight of the sintered spray powder. The metallic matrix comprises from 0 to 20 wt.-% of molybdenum based on the total weight of the metallic matrix. The hard material comprises at least 70 wt.-% of molybdenum carbide based on the total weight of the hard material. An average particle diameter of the molybdenum carbide in the sintered spray powder is <10 ?m, determined in accordance with ASTM E112.
    Type: Application
    Filed: October 1, 2014
    Publication date: August 25, 2016
    Applicant: H.C. STARCK GMBH
    Inventor: BENNO GRIES
  • Large-area sputtering targets
    Patent number: 9412568
    Abstract: In various embodiments, joined sputtering targets are formed at least in part by spray deposition of the sputtering material and/or welding.
    Type: Grant
    Filed: September 27, 2012
    Date of Patent: August 9, 2016
    Assignee: H.C. Starck, Inc.
    Inventors: Francois-Charles Dary, Mark Gaydos, William Loewenthal, Steven A. Miller, Gary Rozak, Scott Jeffrey Volchko, Stefan Zimmermann, Michael Thomas Stawovy
  • Method for producing electrolytic capacitors from valve metal powders
    Patent number: 9378894
    Abstract: A process for producing an anode for an electrolytic capacitor includes pressing a tantalum powder around a tantalum wire, a tantalum ribbon, or a tantalum sheet to form a pressed body. The pressed body is sintered to form a porous sintered body. The porous sintered body is cooled to form a cooled porous sintered body. The cooled porous sintered body is treated with at least one oxidant comprising at least one of a gaseous oxidant and a liquid oxidant to form a treated sintered body. The treated sintered body is anodically oxidized in an electrolyte to form a dielectric layer.
    Type: Grant
    Filed: August 8, 2012
    Date of Patent: June 28, 2016
    Assignee: H.C. STARCK GMBH
    Inventors: Helmut Haas, Marcel Hagymasi, Holger Brumm, Christoph Schnitter
  • Powered compounds, method for the production thereof, and use thereof in lithium secondary batteries
    Patent number: 9352977
    Abstract: The invention is directed to a process for preparing a pulverulent compound of the formula NiaM1bM2cOx(OH)y where M1 is Fe, Co, Zn, Cu or mixtures thereof, M2 is Mn, Al, Cr, B, Mg, Ca, Sr, Ba, Si or mixtures thereof, having the following steps: a) providing at least a first starting solution and a second starting solution, b) combining of at least the first starting solution and the second starting solution in a reactor and producing a homogeneously mixed reaction zone having a specific mechanical power input of at least 2 watt/liter and producing a product suspension containing insoluble product and a mother liquor which is supersaturated by setting of an excess of alkali and has a pH of 10-12, c) partial separating the mother liquor from the precipitated product to set solids contents of at least 150 g/l in the suspension.
    Type: Grant
    Filed: April 7, 2015
    Date of Patent: May 31, 2016
    Assignee: H.C. Starck GmbH
    Inventors: Matthias Jahn, Gerd Maikowske, Stefan Malcus, Juliane Meese-Marktscheffel, Armin Olbrich, Rüdiger Zertani
  • Multi-block sputtering target and associated methods and articles
    Patent number: 9334562
    Abstract: A sputtering target that includes at least two consolidated blocks, each block including an alloy including molybdenum in an amount greater than about 30 percent by weight and at least one additional alloying ingredient; and a joint between the at least two consolidated blocks, the joint being free of any microstructure due to an added bonding agent (e.g., powder, foil or otherwise), and being essentially free of any visible joint line the target that is greater than about 200 ?m width (e.g., less than about 50 ?m width). A process for making the target includes hot isostatically pressing, below a temperature of 1080° C., consolidated perform blocks that may be surface prepared (e.g., roughened to a predetermined roughness value) prior to pressing.
    Type: Grant
    Filed: May 9, 2012
    Date of Patent: May 10, 2016
    Assignee: H.C. STARCK INC.
    Inventors: Gary Alan Rozak, Mark E. Gaydos