Patents by Inventor Denis Kurapov

Denis Kurapov has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11965234
    Abstract: This invention relates to a coating comprising at least one AlTiN-based film deposited by means of a PVD process, wherein the at least one AlTiN-based film deposited is comprising an Al-content—in relation to the Ti-content—in atomic percentage higher than 75%, and wherein the AlTiN-based film exhibits solely a crystallographic cubic phase and internal compressive stresses and this invention relates to a method involving deposition of an AlTiN-based film.
    Type: Grant
    Filed: September 5, 2018
    Date of Patent: April 23, 2024
    Assignee: Oerlikon Surface Solutions AG, Pfäffikon
    Inventors: Denis Kurapov, Siva Phani Kumar Yalamanchili, Anders Olof Eriksson
  • Publication number: 20240043985
    Abstract: This invention relates to a coating comprising at least one AlTiN-based film deposited by means of a PVD process, wherein the at least one AlTiN-based film deposited is comprising an Al-content—in relation to the Ti-content—in atomic percentage higher than 75%, and wherein the AlTiN-based film exhibits solely a crystallographic cubic phase and internal compressive stresses and this invention relates to a method involving deposition of an AlTiN-based film.
    Type: Application
    Filed: September 28, 2023
    Publication date: February 8, 2024
    Inventors: Denis KURAPOV, Siva Phani Kumar YALAMANCHILI, Anders Olof ERIKSSON
  • Publication number: 20230135238
    Abstract: A method for applying a coating having at least one TiCN layer to a surface of a substrate to be coated by means of high power impulse magnetron sputtering (HIPIMS), wherein, to deposit the at least one TiCN layer, at least one Ti target is used as the Ti source for producing the TiCN layer, said target being sputtered in a reactive atmosphere by means of a HIPIMS process in a coating chamber, wherein the reactive atmosphere comprises at least one inert gas, preferably argon, and at least nitrogen gas as the reactive gas, wherein: the reactive atmosphere additionally contains, as a second reactive gas, a gas containing carbon, preferably CH4, used as the source of carbon to produce the TiCN layer wherein, while depositing the TiCN layer, a bipolar bias voltage is applied to the substrate to be coated, or at least one graphite target is used as the source of carbon for producing the TiCN layer, said target being used for sputtering in the coating chamber using a HIPIMS process with the reactive atmosphere h
    Type: Application
    Filed: December 29, 2022
    Publication date: May 4, 2023
    Inventors: Denis Kurapov, Siegfried Krassnitzer
  • Publication number: 20230097468
    Abstract: A coated tool of the present invention includes a base material and a hard coating film on the base material. The hard coating film is a nitride or carbonitride containing aluminum (Al) of 65 atomic % or more 90 atomic % or less, titanium (Ti) of 10 atomic % or more 35 atomic % or less, a total of aluminum (Al) and titanium (Ti) of 85 atomic % or more, and argon (Ar) of 0.20 atomic % or less. The hard coating film satisfies a relationship of Ih×100/Is?12 when a peak intensity of a (010) plane of AlN of a hexagonal close-packed structure is Ih and a sum of peak intensities due to predetermined nine crystal planes of TiN and AlN is Is in an intensity profile obtained from a selected area diffraction pattern of a transmission electron microscope.
    Type: Application
    Filed: February 19, 2021
    Publication date: March 30, 2023
    Applicants: MOLDINO Tool Engineering, Ltd., Oerlikon Surface Solutions AG, Pfaffikon
    Inventors: Tomoya Sasaki, Kazuyuki Kubota, Kumar Yalamanchili, Denis Kurapov, Wolfgang Kalss
  • Patent number: 11542587
    Abstract: A method for applying a coating having at least one TiCN layer to a surface of a substrate to be coated by means of high power impulse magnetron sputtering (HIPIMS), wherein, to deposit the at least one TiCN layer, at least one Ti target is used as the Ti source for producing the TiCN layer, said target being sputtered in a reactive atmosphere by means of a HIPIMS process in a coating chamber, wherein the reactive atmosphere comprises at least one inert gas; preferably argon, and at least nitrogen gas as the reactive gas, wherein: the reactive atmosphere additionally contains, as a second reactive gas, a gas containing carbon, preferably CH4, used as the source of carbon to produce the TiCN layer wherein, while depositing the TiCN layer, a bipolar bias voltage is applied to the substrate to be coated, or at least one graphite target is used as the source of carbon for producing the TiCN layer, said target being used for sputtering in the coating chamber using a HIPIMS process with the reactive atmosphere h
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: January 3, 2023
    Assignee: OERLIKON SURFACE SOLUTIONS AG, PFÄFFIKON
    Inventors: Denis Kurapov, Siegfried Krassnitzer
  • Patent number: 11465214
    Abstract: The present invention discloses a coated cutting tool having a hard coating film on a surface of the tool. The hard coating film is a nitride, the content ratio of titanium (Ti) with respect to a total amount of metal elements (including semimetal elements) is in a range of 70 at % to 95 at %, the content ratio of silicon (Si) with respect to the total amount of metal elements (including semimetal elements) is in a range of 5 at % to 30 at %, and the content ratio of argon (Ar) with respect to the total amount of metal elements (including semimetal elements) and non-metal elements is 0.1 at % or less. The hard coating film has a NaCl type crystal structure and has an average crystal grain size in a range of 5 nm to 30 nm.
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: October 11, 2022
    Assignees: MOLDINO Tool Engineering, Ltd., HITACHI METALS, LTD., Oerlikon Surface Solutions AG, Pfaffikon
    Inventors: Tomoya Sasaki, Shuho Koseki, Kana Morishita, Saleh Abusuilik, Kenichi Inoue, Denis Kurapov, Wolfgang Kalss
  • Patent number: 11413695
    Abstract: The present invention relates to a tap drill comprising a substrate and a coating, wherein the coating is deposited on at least a portion of the substrate comprising the head of the drill, the coating comprising a first layer deposited directly on the substrate and a second layer deposited atop the first layer, wherein the first layer is a wear resistant layer of (Al, Cr)N deposited by Hi PIMS and the second layer is a friction reduction layer, wherein the second layer is a metal carbide layer or a metal-carbide comprising layer deposited by using a physical vapor deposition (PVD) process of the type magnetron sputtering, preferably of the type HiPIMS.
    Type: Grant
    Filed: August 6, 2018
    Date of Patent: August 16, 2022
    Assignee: Oerlikon Surface Solutions AG, Pfäffikon
    Inventor: Denis Kurapov
  • Patent number: 11293089
    Abstract: The present invention relates to a component comprising a substrate coated with a coating having a film (3,4 or 3,4,5) comprising one or more transition metals, TM, aluminium, Al, and nitrogen, N, wherein the TM and N as well as Al and N are comprised in the film forming respectively nitride compounds, wherein the transition metal nitride, TM-N, is present in the film distributed in different portions exhibiting one crystalline phase of TM-N, and the aluminium nitride, Al—N, is present in the film in different portions exhibiting one phase of Al—N, whereas the phase of the transition metal nitride is cubic, c-TMN, the phase of the aluminium nitride is wurtzite, w-AIN, and wherein the film exhibits coherent or (semi-) coherent interfaces between the c-TMN phase portions and the w-AI-N phase portions.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: April 5, 2022
    Assignee: OERLIKON SURFACE SOLUTIONS AG, PFÄFFIKON
    Inventors: Siva Phani Kumar Yalamanchili, Mirjam Arndt, Juergen Ramm, Siegfried Krassnitzer, Denis Kurapov
  • Publication number: 20220098721
    Abstract: The present invention relates to a tool (100) for machining workpieces (200), comprising a surface (110) which is at least partially covered by a PVD deposited wear-resistant coating (120), said wear resistant coating (120) comprising one or more wear-resistant layers (121, 122), the coating having a modulus of elasticity, E, which is in a range 300 GPa?E<350 GPa, and further having a hardness, H, which is greater than 30 GPa.
    Type: Application
    Filed: February 10, 2020
    Publication date: March 31, 2022
    Inventor: Denis Kurapov
  • Publication number: 20210395875
    Abstract: The present invention discloses a non-reactive PVD coating process for producing an aluminium-rich AlxTi1?xN-based thin film having an aluminium content of >75 at-% based on the total amount of aluminium and titanium in the thin film, a cubic crystal structure, and a columnar microstructure, wherein ceramic targets are used as a material source for the aluminium-rich AlxTi1?xN-based thin film.
    Type: Application
    Filed: November 11, 2019
    Publication date: December 23, 2021
    Inventors: Siva Phani Kumar Yalamanchili, Denis Kurapov, Tomoya Sasaki, Kazuyuki Kubota
  • Publication number: 20210362258
    Abstract: The present invention relates to a tap drill comprising a substrate and a coating, wherein the coating is deposited on at least a portion of the substrate comprising the head of the drill, the coating comprising a first layer deposited directly on the substrate and a second layer deposited atop the first layer, wherein the first layer is a wear resistant layer of (Al,Cr)N deposited by Hi PIMS and the second layer is a friction reduction layer, wherein the second layer is a metal carbide layer or a metal-carbide comprising layer deposited by using a physical vapor deposition (PVD) process of the type magnetron sputtering, preferably of the type HiPIMS.
    Type: Application
    Filed: August 6, 2018
    Publication date: November 25, 2021
    Inventor: Denis KURAPOV
  • Patent number: 11014167
    Abstract: A multilayer hard film-coated cutting tool including a cutting tool body and a multilayer hard film formed on a surface of the cutting tool body, wherein the multilayer hard film comprises at least an upper layer and a lower layer; the upper layer is made of a Ti and Si compound layer; the lower layer is made of a multi-layered film of an A-layer and a B-layer, a layer thickness of the B-layer is equal to or thicker than a layer thickness of the A-layer, a ratio of the layer thicknesses of the A-layer and the B-layer being A-layer:B-layer=1:1 to 1:2, the multilayer hard films having 2 to 8 pairs of the A-layer and the B-layer in a case where a single pair is defined by a combination of a single A-layer and a single B-layer.
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: May 25, 2021
    Assignees: MITSUBISHI MATERIALS CORPORATION, Oerlikon Surface Solutions AG, Pfaffikon
    Inventors: Masakuni Takahashi, Denis Kurapov, Volker Derflinger, Wolfgang Kalss
  • Publication number: 20210108306
    Abstract: This invention relates to a coating comprising at least one AlTiN-based film deposited by means of a PVD process, wherein the at least one AlTiN-based film deposited is comprising an Al-content—in relation to the Ti-content—in atomic percentage higher than 75%, and wherein the AlTiN-based film exhibits solely a crystallographic cubic phase and internal compressive stresses and this invention relates to a method involving deposition of an AlTiN-based film.
    Type: Application
    Filed: September 5, 2018
    Publication date: April 15, 2021
    Inventors: Denis KURAPOV, Siva Phani Kumar YALAMANCHILI, Anders Olof ERIKSSON
  • Patent number: 10943774
    Abstract: The present disclosure relates to a sputtering arrangement, a vacuum coating system, and a method for carrying out HiPIMS coating methods; the sputtering arrangement has at least two different interconnection possibilities and the switch to the second interconnection possibility, in which two sputtering sub-assemblies are operated simultaneously with high power pulses, achieves a productivity gain.
    Type: Grant
    Filed: November 14, 2016
    Date of Patent: March 9, 2021
    Assignee: OERLIKON SURFACE SOLUTIONS AG, PFÄFFIKON
    Inventors: Siegfried Krassnitzer, Daniel Lendi, Denis Kurapov
  • Patent number: 10865472
    Abstract: Coating method for arc coating or arc ion plating coating of substrates in a vacuum chamber in which using an arc evaporator solid material that functions as cathode is evaporated, during arc evaporation the motion of the cathode spot on the solid material surface is accelerated using a magnetic field for avoiding ejection of a large amount of macro-particles or droplets from the solid material surface, negative charged particles resulted from the arc evaporation flow from the cathode to an anode, characterized by the motion of the negative charged particles from the cathode to the anode fundamentally doesn't cause an additional increase of the absolute value of the potential difference between cathode and anode allowing a lower increment of the substrate temperature during coating.
    Type: Grant
    Filed: December 14, 2012
    Date of Patent: December 15, 2020
    Assignee: OERLIKON SURFACE SOLUTIONS AG, PFÄFFIKON
    Inventors: Siegfried Krassnitzer, Denis Kurapov, Markus Lechthaler
  • Publication number: 20200298316
    Abstract: The present invention discloses a coated cutting tool having a hard coating film on a surface of the tool. The hard coating film is a nitride, the content ratio of titanium (Ti) with respect to a total amount of metal elements (including semimetal elements) is in a range of 70 at % to 95 at %, the content ratio of silicon (Si) with respect to the total amount of metal elements (including semimetal elements) is in a range of 5 at % to 30 at %, and the content ratio of argon (Ar) with respect to the total amount of metal elements (including semimetal elements) and non-metal elements is 0.1 at % or less. The hard coating film has a NaCl type crystal structure and has an average crystal grain size in a range of 5 nm to 30 nm.
    Type: Application
    Filed: March 28, 2017
    Publication date: September 24, 2020
    Inventors: Tomoya Sasaki, Shuho Koseki, Kana Morishita, Saleh Abusuilik, Kenichi Inoue, Denis Kurapov, Wolfgang Kalss
  • Publication number: 20200277707
    Abstract: The present invention relates to a method for producing coated substrate bodies, wherein a plurality of substrate bodies comprising surfaces to be coated are provided with a colored coating surface, the method comprising following steps: providing the substrate bodies to be coated in the interior of a vacuum coating chamber, depositing a coating on a surface of the substrate bodies to be coated, the deposition of the coating involving the deposition of a metallic layer comprising at least two different metals, forming a colored oxide layer exhibiting a colored surface by anodic oxidation of the metallic layer, wherein: the anodic oxidation takes place in an alkaline electrolyte bath with the coated substrate bodies connected as anodes.
    Type: Application
    Filed: September 17, 2018
    Publication date: September 3, 2020
    Inventors: Sven Matthias TWARDY, Jens EGGEMANN, Erik ALBERT, Christian BECKER, Denis KURAPOV
  • Patent number: 10636635
    Abstract: A device for cooling a target, having a component that includes a cooling duct and having an additional thermally conductive plate that is detachably fastened to the cooling side of the component, the cooling side being the side on which the cooling duct exerts its cooling action, characterized in that between the additional thermally conductive plate and the cooling side of the component, a first self-adhesive carbon film is provided, which is extensively and self-adhesively glued to the one side of the additional thermally conductive plate that faces the cooling side.
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: April 28, 2020
    Assignee: Oerlikon Surface Solutions AG, Pfäffikon
    Inventors: Denis Kurapov, Siegfried Krassnitzer
  • Patent number: 10626493
    Abstract: A method for producing a tool coated with a hard coating, the method including the following steps: applying a TiAIN coating layer onto a substrate with a first magnetron sputtering process and applying a TixSi1-xN coating layer onto the TiAIN layer with a second magnetron sputtering process, where x is smaller than or equal to 0.85 and preferably between and including 0.80 and 0.70 whereas the second magnetron sputtering process is performed with power densities greater than 100 W/cm2 and as such is a HIPIMS process.
    Type: Grant
    Filed: September 17, 2015
    Date of Patent: April 21, 2020
    Assignees: OERLIKON SURFACE SOLUTIONS AG, PFÄFFIKON, HITACHI METALS, LTD., MITSUBISHI HITACHI TOOL ENGINEERING, LTD.
    Inventors: Denis Kurapov, Tomoya Sasaki, Shuho Koseki, Kana Morishita, Saleh Breik Abusuilik, Kenichi Inoue
  • Publication number: 20190376174
    Abstract: The present invention relates to a component comprising a substrate coated with a coating having a film (3,4 or 3,4,5) comprising one or more transition metals, TM, aluminium, Al, and nitrogen, N, wherein the TM and N as well as Al and N are comprised in the film forming respectively nitride compounds, wherein the transition metal nitride, TM-N, is present in the film distributed in different portions exhibiting one crystalline phase of TM-N, and the aluminium nitride, Al—N, is present in the film in different portions exhibiting one phase of Al—N, whereas the phase of the transition metal nitride is cubic, c-TMN, the phase of the aluminium nitride is wurtzite, w-AIN, and wherein the film exhibits coherent or (semi-) coherent interfaces between the c-TMN phase portions and the w-AI-N phase portions.
    Type: Application
    Filed: February 13, 2018
    Publication date: December 12, 2019
    Inventors: Siva Phani Kumar YALAMANCHILI, Mirjam ARNDT, Juergen RAMM, Siegfried KRASSNITZER, Denis KURAPOV