Patents Examined by Archene A. Turner
  • Patent number: 10807908
    Abstract: An optical component according to an embodiment of the present invention includes a translucent substrate, one or more intermediate layers stacked on at least one of an incident surface and an exit surface of the substrate, and a surface layer stacked on an outermost layer of the one or more intermediate layers, the surface layer containing diamond-like carbon as a main component. At least one intermediate layer among the one or more intermediate layers contains silicon as a main component, and the intermediate layer containing silicon as a main component has an oxygen content of 10 atomic % or less.
    Type: Grant
    Filed: January 12, 2017
    Date of Patent: October 20, 2020
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Ryota Yamaguchi, Soichiro Okubo
  • Patent number: 10808325
    Abstract: In one aspect, coated cutting tools are described herein comprising a substrate and a coating comprising a refractory layer deposited by physical vapor deposition adhered to the substrate, the refractory layer comprising M1?xAlxN wherein x?0.68 and M is titanium, chromium or zirconium, the refractory layer including a cubic crystalline phase and having hardness of at least 25 GPa.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: October 20, 2020
    Assignee: KENNAMETAL INC.
    Inventors: Vineet Kumar, Ronald Penich, Yixiong Liu
  • Patent number: 10787737
    Abstract: A coating for a diamond table of a cutting element is described. The coating is employed to fill a plurality of voids left by the manufacturing process that compromise the integrity of the cutting element and the associated downhole tooling. The coating may comprise diamond nanoparticles in a metal matrix and may be used with or without a binder layer applied directly to the diamond table, the coating may alternatively be a pure diamond film coating, and may be employed to fill voids left by the manufacturing process.
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: September 29, 2020
    Assignee: NATIONAL OILWELL DHT, L.P.
    Inventors: Anil Kumar, Russell C. Gilleylen, Rajagopala N. Pillai, Wei Liu
  • Patent number: 10786851
    Abstract: A coated cutting tool comprising a substrate and a coating layer formed on the substrate, wherein: the coating layer has an alternating laminate structure of an alternating laminate of: a first composite nitride layer containing a compound having a composition represented by formula (1) below: (Al1-xCrx)N??(1) ?(wherein x denotes an atomic ratio of the Cr element based on a total of the Al element and the Cr element and satisfies 0.10?x?0.50); and a second composite nitride layer containing a compound having a composition represented by formula (2) below: (Ti1-ySiy)N??(2) ?(wherein y denotes an atomic ratio of the Si element based on a total of the Ti element and the Si element and satisfies 0.00<y<1.
    Type: Grant
    Filed: July 26, 2018
    Date of Patent: September 29, 2020
    Assignee: TUNGALOY CORPORATION
    Inventor: Takao Katagiri
  • Patent number: 10780506
    Abstract: A tool having a cutting edge that includes a sintered body containing cubic boron nitride. The sintered body integrally and inseparably includes an inner region and a binder phase enriched layer formed on at least part of a surface of the inner region. The inner region includes: 15-90 volume % of cubic boron nitride; and 10-85 volume % of a mixture of a binder phase and impurities. The binder phase enriched layer includes: 90-100 volume % of the binder phase and impurities mixture; and 0-10 volume % of cubic boron nitride; and the binder phase contains at least one kind selected from the group consisting of: at least one element selected from the group consisting of Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, Al, Co, Ni and Si; and a compound of the element and at least one element selected from the group consisting of C, N, O and B.
    Type: Grant
    Filed: November 25, 2016
    Date of Patent: September 22, 2020
    Assignee: TUNGALOY CORPORATION
    Inventors: Yusuke Hirano, Yuichiro Fukushima
  • Patent number: 10775693
    Abstract: The present invention is directed to compositions for photolithographic masks comprising a substrate and a coating having at least one electrical conducting layer comprising a nitride, a boride or a carbide, and methods of making the same.
    Type: Grant
    Filed: October 2, 2017
    Date of Patent: September 15, 2020
    Assignees: FUNDACIO INSTITUT DE CIENCIES FOTONIQUES, INSTITUCIO CATALANA DE RECERCA I ESTUDIS AVANCATS
    Inventors: Valerio Pruneri, Rinu Abraham Maniyara
  • Patent number: 10774416
    Abstract: The present disclosure relates to a coated substrate with a coating deposited on at least a part of the substrate surface, said coating comprising at least one metal boron carbide layer, characterized in that the metal boron carbide layer is a ternary compound exhibiting a polycrystalline structure formed of a single phase of hafnium, boron and carbon. Further a method for deposition of such a coating is provided.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: September 15, 2020
    Assignee: OERLIKON SURFACE SOLUTIONS AG, PFÄFFIKON
    Inventors: Hamid Bolvardi, Mirjam Arndt, Helmut Rudigier, Jochen Schneider, Konda Gokuldoss Pradeep
  • Patent number: 10767258
    Abstract: A titanium aluminum nitride coating having a columnar crystal structure, which is formed on a substrate, comprises high-Al TiAlN having an fcc structure, which has a composition represented by (Tix1, Aly1)N, wherein x1 and y1 are numbers meeting x1=0.005-0.1, and y1=0.995-0.9 by atomic ratio, and network-like, high-Ti TiAlN having an fcc structure, which has a composition represented by (Tix2, Aly2)N, wherein x2 and y2 are numbers meeting x2=0.5-0.9, and y2=0.5-0.1 by atomic ratio; the high-Al TiAlN being surrounded by the network-like, high-Ti TiAlN.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: September 8, 2020
    Assignee: MITSUBISHI HITACHI TOOL ENGINEERING, LTD.
    Inventors: Yuuzoh Fukunaga, Masayuki Imai
  • Patent number: 10760157
    Abstract: Disclosed herein is a transparent glass system that includes an optical grade silicon substrate, and a nanocrystalline diamond film on the silicon substrate, the diamond film deposited using a chemical vapor deposition system having a reactor in which methane, hydrogen and argon source gases are added. Further disclosed is a method of fabricating transparent glass that includes the steps of seeding an optical grade silicon substrate and forming a nanocrystalline diamond film on the silicon substrate using a chemical vapor deposition system having a reactor in which methane, hydrogen and argon source gases are added.
    Type: Grant
    Filed: August 9, 2017
    Date of Patent: September 1, 2020
    Assignee: AKHAN Semiconductor, Inc.
    Inventors: Adam Khan, Robert Polak
  • Patent number: 10751804
    Abstract: At least a (Al1-a-b-cCraSibCuc)N (where 0.15?a?0.40, 0.05?b?0.20, and 0.005?c?0.05) layer is provided on a surface of a tool body, a Cr concentration or a Cu concentration periodically changes in a layer thickness direction, a concentration Crmax in a highest content point of Cr is in a range of a<Crmax?1.3a, a concentration Crmin in a lowest content point of Cr is in a range of 0.50a?Crmin<a, and optionally in a case where a Cu composition at one point z along the layer thickness direction is represented by cz and a Cr composition at the point z is represented by az, (cz/az)/(c/a) is 0.7 to 1.5 over the layer thickness direction entirely.
    Type: Grant
    Filed: February 28, 2017
    Date of Patent: August 25, 2020
    Assignee: MITSUBISHI MATERIALS CORPORATION
    Inventors: Shun Sato, Tsuyoshi Ogami, Koichi Tanaka, Tatsuo Hashimoto, Natsuki Ichimiya
  • Patent number: 10751805
    Abstract: A coated cutting tool is provided which has improved wear resistance and fracture resistance and which accordingly has a long tool life. A coated cutting tool comprising a substrate and a coating layer formed on the substrate, wherein: the coating layer comprises at least one composite compound layer containing a compound having a composition represented by (Ti1-xMox)N (wherein x denotes an atomic ratio of the Mo element based on a total of the Ti element and the Mo element and satisfies 0.01?x?0.30); a ratio I(200)/I(111) between a peak intensity I(111) for a (111) plane of cubic crystals of the composite compound layer and a peak intensity I(200) for a (200) plane of the cubic crystals in an X-ray diffraction analysis satisfies 1<I(200)/I(111)?20; and, as to particles which constitute the composite compound layer, an area ratio of particles each having an aspect ratio of 2 or more is 50% or higher.
    Type: Grant
    Filed: June 20, 2018
    Date of Patent: August 25, 2020
    Assignee: TUNGALOY CORPORATION
    Inventor: Hirosato Nishizawa
  • Patent number: 10751806
    Abstract: Provided is a surface-coated cutting tool including: a cutting tool body and a hard coating layer on a surface of the cutting tool body, wherein the hard coating layer includes a complex nitride layer of Al, Cr, Si, and Cu, the complex nitride layer of Al, Cr, Si, and Cu includes a main phase, and CrSi-rich particles and Al-rich particles that are dispersed in the main phase, the main phase satisfies 0.15???0.40, 0.05???0.20, 0.005???0.05, and 0.45?x?0.60, the CrSi-rich particles satisfy 0.20???0.55, 0.20???0.55, 0???0.10, and 0.02?x?0.35, the Al-rich particles satisfy 0.10???0.25, 0.05???0.25, 0???0.10, and 0.02?x?0.35 in a composition formula: (Al1-?-?-?Cr?Si?Cu?)1-xNx), and an occupancy area ratio of the CrSi-rich particles having a major axis of 100 nm or more is 0.20 to 2.0 area %; and an occupancy area ratio of the Al-rich particles having a major axis of 100 nm or more is 0.50 to 3.0 area %.
    Type: Grant
    Filed: March 10, 2017
    Date of Patent: August 25, 2020
    Assignee: MITSUBISHI MATERIALS CORPORATION
    Inventors: Tsuyoshi Ogami, Tatsuo Hashimoto, Natsuki Ichimiya
  • Patent number: 10745801
    Abstract: The cutting plate 12 includes a base body 22 made of a sintered hard metal. On a top side 23 of the base body 22 there are one or multiple intermediate layers 25 that include an adhesion-promoting layer 26. The adhesion-promoting layer 26 is made of a boron-containing nitride of a transition metal of group IV, group V, and group VI, and contains a plurality of small plates 31 oriented at an angle relative to the top side 23. A diamond layer that is grown on the adhesion-promoting layer 26 includes stalk-shaped crystals, oriented vertically relative to the top side 23, having an aspect ratio greater than three.
    Type: Grant
    Filed: September 13, 2016
    Date of Patent: August 18, 2020
    Assignee: Hilti Aktiengesellschaft
    Inventors: Cord-Henrik Surberg, Orlaw Massler, Matthias Leischner, Stefan Rosiwal
  • Patent number: 10744568
    Abstract: A coated tool include a first surface, a second surface which is adjacent to the first surface, and a cutting edge which is located on at least a portion of a ridge between the first surface and the second surface. The coated tool further includes a substrate, and a coating layer that is located on the substrate. The coating layer includes a titanium carbonitride layer and an aluminum oxide layer which has an ?-type crystalline structure. The titanium carbonitride layer is located nearer to the substrate than the aluminum oxide layer.
    Type: Grant
    Filed: January 25, 2016
    Date of Patent: August 18, 2020
    Assignee: Kyocera Corporation
    Inventors: Kou Ri, Tsuyoshi Yamasaki
  • Patent number: 10738376
    Abstract: A hard coating includes a thin film layer which has a total thickness of 0.5-10 ?m and has an overall composition of Al1-a-bTiaMebN (0.2<a?0.6, 0<b?0.15), where Me is a nitride constituent element having a thermal expansion coefficient of greater than 2.7×10?6/° C. and less than 9.35×10?6/° C., wherein the thin film layer has a structure in which a nano-multilayered-structure of thin layers A, B and C, thin layer B being disposed between thin layer A and thin layer C, is repeatedly laminated at least once.
    Type: Grant
    Filed: August 29, 2016
    Date of Patent: August 11, 2020
    Assignee: KORLOY INC.
    Inventors: Je-Hun Park, Beom-Sik Kim, Seung-Su Ahn, Kyoung-il Kim, Dong-Youl Lee, Sun-Yong Ahn, Young-Heum Kim
  • Patent number: 10737331
    Abstract: Provided is a coated cutting tool, comprising: a substrate; and a coating layer formed on at least part of a surface of the substrate. The coating layer includes at least one composite nitride layer including a compound having a composition represented by (TixAly)N [x denotes an atomic ratio of a Ti element based on a total of the Ti element and an Al element, y denotes an atomic ratio of the Al element based on a total of the Ti element and the Al element, and 0.10?x?0.50, 0.50?y?0.90, and x+y=1 are satisfied]. The composite nitride layer includes a phase having a lattice constant of from 0.400 nm or more to 0.430 nm or less, and a phase having a lattice constant of from 0.755 nm or more to 0.810 nm or less.
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: August 11, 2020
    Assignee: TUNGALOY CORPORATION
    Inventor: Hirosato Nishizawa
  • Patent number: 10737332
    Abstract: Provided is a coated cutting tool comprising a substrate and a coating layer formed on a surface of the substrate. The coating layer includes an alternating laminate structure of an alternating laminate of: a first composite nitride layer including a compound having a composition represented by (TixAl1-x)N (wherein x denotes an atomic ratio of the Ti element based on a total of the Ti element and the Al element and satisfies 0.10?x?0.35); and a second composite nitride layer including a compound having a composition represented by (TiyAlzM1-y-z)N (wherein: M denotes an element of at least one kind selected from Zr, Hf, V, Nb, Ta, Cr, Mo, W, Si and Y; y satisfies 0.30?y?0.90; z satisfies 0.10?z?0.70; and y and z satisfy y+z?1). The first composite nitride layer includes a phase having a lattice constant of from 0.400 nm or more to 0.430 nm or less and a phase having a lattice constant of from 0.755 nm or more to 0.810 nm or less.
    Type: Grant
    Filed: April 5, 2017
    Date of Patent: August 11, 2020
    Assignee: TUNGALOY CORPORATION
    Inventors: Yusuke Hirano, Hirosato Nishizawa
  • Patent number: 10731243
    Abstract: In an intermediate layer formed between a base material and a DLC layer, a Ti layer and a TiC layer formed on a surface of the Ti layer are provided, and a carbon content of the entire layer containing the Ti layer and the TiC layer is 53 at % or more and 77 at % or less.
    Type: Grant
    Filed: December 7, 2016
    Date of Patent: August 4, 2020
    Assignee: DOWA THERMOTECH CO., LTD.
    Inventors: Hiroki Tashiro, Hiroyuki Matsuoka, Wataru Sakakibara, Soichiro Nogami, Satoru Habuka
  • Patent number: 10722948
    Abstract: A coated cutting tool comprising a substrate and a coating layer formed on a surface of the substrate, the coated cutting tool having a rake surface and a flank, in which the coating layer includes an ?-type aluminum oxide layer, wherein: the ?-type aluminum oxide layer has, on an opposite side to the substrate, a first interface, being the rake surface or a surface substantially parallel to the rake surface, a second interface, being the flank or a surface substantially parallel to the flank, and an intersecting edge between the first interface and the second interface; and the ?-type aluminum oxide layer satisfies ?600??11?300, ?900??22?250 and ?11>?22. (In the above formulae, ?11 denotes a residual stress value (MPa) in a direction parallel to the intersecting edge, ?22 denotes a residual stress value (MPa) in a direction orthogonal to the intersecting edge, and each of the residual stress values is a value measured by a 2D method).
    Type: Grant
    Filed: April 19, 2018
    Date of Patent: July 28, 2020
    Assignee: TUNAGLOY CORPORATION
    Inventor: Keiya Kawahara
  • Patent number: 10717135
    Abstract: A coated tool may include a substrate and a coating layer located on a surface of the substrate. The coating layer includes: a first titanium carbonitride layer located on the substrate; a second titanium carbonitride layer located on the first titanium carbonitride layer; and an aluminum oxide layer located on the second titanium carbonitride layer. The first titanium carbonitride layer includes a plurality of first protrusions protruding toward a side of the aluminum oxide layer. The second titanium carbonitride layer includes a plurality of second protrusions protruding toward a side of the aluminum oxide layer. A number of second protrusions is greater than that of the first protrusions.
    Type: Grant
    Filed: February 24, 2017
    Date of Patent: July 21, 2020
    Assignee: KYOCERA CORPORATION
    Inventors: Hayato Kubo, Yoshikazu Kodama, Hirotoshi Itoh