Patents Assigned to H.C. STARCK
  • Refractory metal plates with improved uniformity of texture
    Patent number: 10236164
    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: August 22, 2017
    Date of Patent: March 19, 2019
    Assignee: H.C. STARCK INC.
    Inventors: Peter R. Jepson, Dincer Bozkaya
  • Racks for high-temperature metal processing
    Patent number: 10213859
    Abstract: In various embodiments, apparatuses for receiving and supporting one or more components during processing thereof at process temperatures greater than approximately 1000° C. feature refractory metal shelves separated by refractory metal support posts.
    Type: Grant
    Filed: February 17, 2016
    Date of Patent: February 26, 2019
    Assignee: H.C. STARCK INC.
    Inventors: Maria Bozena Winnicka, Scott Jeffrey Volchko, Stan Wojciechowski, Abhishek Bhattacharyya
  • Multi-block sputtering target and associated methods and articles
    Patent number: 10211035
    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: February 7, 2018
    Date of Patent: February 19, 2019
    Assignee: H.C. STARCK, INC.
    Inventors: Gary Alan Rozak, Mark E. Gaydos
  • Etch chemistries for metallization in electronic devices
    Patent number: 10186530
    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: August 29, 2016
    Date of Patent: January 22, 2019
    Assignees: H.C. STARCK INC., DAETEC, LLC
    Inventors: Patrick Hogan, John Moore, Alex Brewer, Jared Pettit
  • Microreactor systems and methods
    Patent number: 10105671
    Abstract: In various embodiments, a microreactor features a corrosion-resistant microchannel network encased within a thermally conductive matrix material that may define therewithin one or more hollow heat-exchange conduits.
    Type: Grant
    Filed: November 10, 2015
    Date of Patent: October 23, 2018
    Assignee: H.C. STARCK INC.
    Inventors: Paul R. Aimone, Marc Abouaf, Patrick Hogan
  • Metallic crucibles and methods of forming the same
    Patent number: 10100438
    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: September 1, 2016
    Date of Patent: October 16, 2018
    Assignee: H.C. STARCK INC.
    Inventors: Maria Bozena Winnicka, Gary A. Rozak
  • High-density, crack-free metallic parts
    Patent number: 10099267
    Abstract: In various embodiments, three-dimensional layered metallic parts are substantially free of gaps between successive layers, are substantially free of cracks, and have densities no less than 97% of the theoretical density of the metallic material.
    Type: Grant
    Filed: March 1, 2017
    Date of Patent: October 16, 2018
    Assignee: H.C. STARCK INC.
    Inventor: Michael Thomas Stawovy
  • Fabrication of reinforced superconducting wires
    Patent number: 10049793
    Abstract: In various embodiments, superconducting wires feature assemblies of clad composite filaments and/or stabilized composite filaments embedded within a wire matrix. The wires may include one or more stabilizing elements for improved mechanical properties.
    Type: Grant
    Filed: July 8, 2016
    Date of Patent: August 14, 2018
    Assignee: H.C. STARCK INC.
    Inventors: Paul Aimone, Francois-Charles Dary, David B. Smathers
  • Method for the production of valve metal powders
    Patent number: 10032564
    Abstract: The present invention relates to a process for the deoxidation of valve metal primary powders by means of reducing metals and/or metal hydrides, and a process for the production of tantalum powders that are suitable as anode material for electrolytic capacitors.
    Type: Grant
    Filed: September 24, 2005
    Date of Patent: July 24, 2018
    Assignee: H.C. Starck Tantalum and Niobium GmbH
    Inventors: Helmut Haas, Ulrich Bartmann, Christoph Schnitter, Elisabeth Droste
  • High purity refractory metal powders and their use in sputtering targets which may have random texture
    Patent number: 10023953
    Abstract: A method for making a sputtering target including steps of encapsulating and hot isostatically pressing at least one mass of metal powder (e.g., tantalum), having a particle size ranging from about 10 to about 1000 ?m, with at least about 10 percent by weight of particles having a particle size greater than about 150 ?m (for example, about 29 to about 56 percent (e.g., about 35 to about 47 percent) by weight of the particles in the at least one mass of metal powder having a particle size that is larger than 150 microns, but below about 250 ?m), for defining at least a portion of a sputtering target body, having an essentially theoretical random and substantially uniform crystallographic texture.
    Type: Grant
    Filed: April 8, 2015
    Date of Patent: July 17, 2018
    Assignee: H.C. STARCK INC.
    Inventors: Patrick Hogan, Paul Aimone, Joseph Flanigan, Marcel Hagymasi, Helmut Haas
  • Diffusion barriers for metallic superconducting wires
    Patent number: 9984795
    Abstract: In various embodiments, superconducting wires incorporate diffusion barriers composed of Ta alloys that resist internal diffusion and provide superior mechanical strength to the wires.
    Type: Grant
    Filed: September 6, 2017
    Date of Patent: May 29, 2018
    Assignee: H.C. STARCK INC.
    Inventors: David B. Smathers, Paul Aimone
  • Partial spray refurbishment of sputtering targets
    Patent number: 9976212
    Abstract: In various embodiments, eroded sputtering targets are partially refurbished by spray-depositing particles of target material to at least partially fill certain regions (e.g., regions of deepest erosion) without spray-deposition within other eroded regions (e.g., regions of less erosion). The partially refurbished sputtering targets may be sputtered after the partial refurbishment without substantive changes in sputtering properties (e.g., sputtering rate) and/or properties of the sputtered films.
    Type: Grant
    Filed: July 31, 2014
    Date of Patent: May 22, 2018
    Assignee: H.C. STARCK INC.
    Inventor: Steven A. Miller
  • Tantalum based alloy that is resistant to aqueous corrosion
    Patent number: 9957592
    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, Ir, 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: July 7, 2017
    Date of Patent: May 1, 2018
    Assignee: H.C. STARCK INC.
    Inventors: Paul R. Aimone, Evan Hinshaw
  • Touch screen device comprising Mo-based film layer and methods thereof
    Patent number: 9945023
    Abstract: The invention is directed at sputter targets including 50 atomic % or more molybdenum, a second metal element of niobium or vanadium, and a third metal element selected from the group consisting of titanium, chromium, niobium, vanadium, and tantalum, wherein the third metal element is different from the second metal element, 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 the second metal element, and a phase that is rich in the third metal element.
    Type: Grant
    Filed: March 26, 2015
    Date of Patent: April 17, 2018
    Assignee: H.C. STARCK, INC.
    Inventors: Gary Alan Rozak, Mark E. Gaydos, Patrick Alan Hogan, Shuwei Sun
  • Copper-alloy capping layers for metallization in touch-panel displays
    Patent number: 9929187
    Abstract: In various embodiments, electronic devices such as touch-panel displays incorporate interconnects featuring a conductor layer and, disposed above the conductor layer, a capping layer comprising an alloy of Cu and one or more refractory metal elements selected from the group consisting of Ta, Nb, Mo, W, Zr, Hf, Re, Os, Ru, Rh, Ti, V, Cr, and Ni.
    Type: Grant
    Filed: June 5, 2014
    Date of Patent: March 27, 2018
    Assignee: H.C. STARCK INC.
    Inventors: Shuwei Sun, Francois-Charles Dary, Marc Abouaf, Patrick Hogan, Qi Zhang
  • Methods of forming molybdenum sputtering targets
    Patent number: 9926623
    Abstract: In various embodiments, sputtering targets are formed by introducing molybdenum powder into a sheet bar mold, pressing the powder to form a sheet bar, sintering the sheet bar to form an ingot having a density of at least 90% of a theoretical density, preheating the ingot, rolling the ingot to form a plate, and heat treating the plate.
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: March 27, 2018
    Assignee: H.C. STARCK INC.
    Inventors: Brad Lemon, Joseph Hirt, Timothy Welling, James G. Daily, III, David Meendering, Gary Rozak, Jerome O'Grady, Prabhat Kumar, Steven A. Miller, Rong-chein Richard Wu, David G. Schwartz
  • Multi-block sputtering target and associated methods and articles
    Patent number: 9922808
    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: March 11, 2016
    Date of Patent: March 20, 2018
    Assignee: H.C. STARCK INC.
    Inventors: Gary Alan Rozak, Mark E. Gaydos
  • Sintered molybdenum carbide-based spray powder
    Patent number: 9919358
    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: Grant
    Filed: October 1, 2014
    Date of Patent: March 20, 2018
    Assignee: H.C. STARCK GMBH
    Inventor: Benno Gries
  • FENI BINDER HAVING UNIVERSAL USABILITY
    Publication number: 20180029118
    Abstract: A sintered composite material obtainable by a method which includes providing a composition which includes at least one hardness carrier and a base binder alloy, and sintering the composition. The base binder alloy includes from 66 to 93 wt.-% of nickel, from 7 to 34 wt.-% of iron, from 0 to 9 wt.-% of cobalt, and up to 30 wt.-% of one or more elements selected from W, Mo, Cr, V, Ta, Nb, Ti, Zr, Hf, Re, Ru, Al, Mn, B, N and C. The wt.-% proportions of the base binder alloy add up to 100 wt.-%.
    Type: Application
    Filed: October 12, 2017
    Publication date: February 1, 2018
    Applicant: H.C. STARCK GMBH
    Inventor: BENNO GRIES
  • Hard metal composition
    Patent number: 9879333
    Abstract: A process for producing a component includes providing a composition comprising hard material particles and a binder metal, and sintering the composition at a sintering temperature of from 1250° C. to 1400° C. for a period of from 3 to 15 minutes. The hard material particles comprise an inner core comprising fused tungsten carbide and an outer shell comprising tungsten carbide. The binder metal is selected from the group consisting of Co, Ni, Fe and alloys comprising at least one metal selected from Co, Ni and Fe.
    Type: Grant
    Filed: October 26, 2012
    Date of Patent: January 30, 2018
    Assignee: H. C. STARCK GMBH
    Inventors: Christian Gerk, Markus Zumdick