Self-sustaining Carbon Mass Or Layer With Impregnant Or Other Layer Patents (Class 428/408)
-
Patent number: 12043785Abstract: The present disclosure relates to abrasive articles including conformable coatings, e.g. a hydrophobic coating, methods of making and polishing systems therefrom. The present disclosure provides an abrasive layer, having a hydrophobic exterior surface, including at least one of (i) a plurality of individual diamond particles and (ii) a plurality of engineered features having a conformable diamond layer and; a conformable hydrophobic layer in contact with and at least partially coating at least one of the plurality of individual diamond particles and the conformable diamond layer and, wherein the conformable hydrophobic layer includes diamond like glass and forms the hydrophobic exterior surface and the contact angle of the hydrophobic exterior surface is greater than 110 degrees.Type: GrantFiled: July 5, 2018Date of Patent: July 23, 2024Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Chi-Fan Chen, Caleb T. Nelson, Moses M. David
-
Patent number: 12040362Abstract: A laminate substrate which includes a single crystal diamond (111) layer, including: an underlying substrate, an intermediate layer on the underlying substrate, and the single crystal diamond (111) layer on the intermediate layer, in which the underlying substrate has a main surface which has an off angle within a range, ?8.0° or more and ?0.5° or less, or +0.5° or more and +8.0° or less in a crystal axis [_1_1 2] direction or a threefold symmetry direction thereof relative to a crystal plane orientation of (111), and the single crystal diamond (111) layer has an off angle within a range, more than ?10.5° and less than ?2.0°, or more than +2.0° and less than +10.5° in the crystal axis [_1_1 2] direction or a threefold symmetry direction thereof relative to the crystal plane orientation of (111).Type: GrantFiled: November 26, 2019Date of Patent: July 16, 2024Assignee: SHIN-ETSU CHEMICAL CO., LTD.Inventor: Hitoshi Noguchi
-
Patent number: 12037248Abstract: Disclosed herein are methods for forming a graphene film on a substrate, the methods comprising depositing graphene on a surface of the substrate by a first vapor deposition step to form a discontinuous graphene crystal layer; depositing a graphene oxide layer on the discontinuous graphene crystal layer to form a composite layer; and depositing graphene on the composite layer by a second vapor deposition step, wherein the graphene oxide layer is substantially reduced to a graphene layer during the second vapor deposition step. Transparent coated substrates comprising such graphene films are also disclosed herein, wherein the graphene films have a resistance of less than about 10 K?/sq.Type: GrantFiled: June 20, 2023Date of Patent: July 16, 2024Assignees: Corning Incorporated, Shanghai Institute of Ceramics, Chinese Academy of SciencesInventors: Hui Bi, Fuqiang Huang, Xinyuan Liu, Zhen Song, Yufeng Tang, Tongping Xiu
-
Patent number: 12024476Abstract: An article including carbon-carbon composite substrate may be treated with an antioxidant coating prior to use in an oxidizing environment. The antioxidant coating may be configured to reduce oxidation at an external surface of the C—C composition and reduce ingress of oxidants into pores or other open passages defined by the C—C composite substrate to avoid internal oxidation. An example article includes a C—C composite substrate, a bond coat, and an antioxidant coating. The C—C composite substrate defines a friction surface and a non-friction surface. The bond coat is disposed on the non-friction surface. The antioxidant coating may be disposed on at least a portion of the bond coat. The antioxidant coating may include ytterbium disilicate and a sintering aid.Type: GrantFiled: February 21, 2020Date of Patent: July 2, 2024Assignee: Honeywell International Inc.Inventors: Bahram Jadidian, Richard George Rateick, Jr., Mehrad Mehr, Donald Olson
-
Patent number: 12014927Abstract: Methods and techniques for deposition of amorphous carbon films on a substrate are provided. In one example, the method includes depositing an amorphous carbon film on an underlayer positioned on a susceptor in a first processing region. The method further includes implanting a dopant or the inert species into the amorphous carbon film in a second processing region. The implant species, energy, dose & temperature in some combination may be used to enhance the hardmask hardness. The method further includes patterning the doped amorphous carbon film. The method further includes etching the underlayer.Type: GrantFiled: October 11, 2022Date of Patent: June 18, 2024Assignee: Applied Materials, Inc.Inventors: Rajesh Prasad, Sarah Bobek, Prashant Kumar Kulshreshtha, Kwangduk Douglas Lee, Harry Whitesell, Hidetaka Oshio, Dong Hyung Lee, Deven Matthew Raj Mittal, Scott Falk, Venkataramana R. Chavva
-
Patent number: 12012336Abstract: Methods that expand the properties of laser-induced graphene (LIG) and the resulting LIG having the expanded properties. Methods of fabricating laser-induced graphene from materials, which range from natural, renewable precursors (such as cloth or paper) to high performance polymers (like Kevlar). With multiple lasing, however, highly conductive PEI-based LIG could be obtained using both multiple pass and defocus methods. The resulting laser-induced graphene can be used, inter alia, in electronic devices, as antifouling surfaces, in water treatment technology, in membranes, and in electronics on paper and food Such methods include fabrication of LIG in controlled atmospheres, such that, for example, superhydrophobic and superhydrophilic LIG surfaces can be obtained. Such methods further include fabricating laser-induced graphene by multiple lasing of carbon precursors. Such methods further include direct 3D printing of graphene materials from carbon precurors.Type: GrantFiled: November 1, 2021Date of Patent: June 18, 2024Assignees: William Marsh Rice University, B.G. NEGEV TECHNOLOGIES AND APPLICATIONS, LTD. AT BEN-GURION UNIVERSITYInventors: James M. Tour, Yieu Chyan, Christopher John Arnusch, Swatantra Pratap Singh, Yilun Li, Duy X. Luong, Carter Kittrell, Ruquan Ye, Jordan Miller, Ian Kinstlinger, Savannah Cofer
-
Patent number: 11992882Abstract: Provided is a cutting tool that can have a long tool life even when used to cut soft metals in particular. The cutting tool comprises a base body and a hard carbon film arranged on the base body, the hard carbon film includes an amorphous phase and a graphite phase, the density of the hard carbon film is no less than 2.5 g/cm3 and no more than 3.5 g/cm3, the degree of crystallinity of the hard carbon film is no more than 6.5%, and the average coordination number of the amorphous phase is no less than 2.5 and no more than 4.Type: GrantFiled: April 24, 2020Date of Patent: May 28, 2024Assignees: SUMITOMO ELECTRIC HARDMETAL CORP., SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Haruyo Fukui, Daiji Tabayashi, Yoshihiro Saito, Kazuya Tokuda, Yoshiharu Utsumi, Hajime Takamatsu
-
Patent number: 11982011Abstract: A method and system is provided for reducing surface roughness of a diesel engine component. The method and system may apply a voltage to a plasma electrolyte polishing cell. The plasma electrolyte polishing cell may include a diesel engine component and an aqueous electrolyte solution. The method and system may cause a plasma layer to form around a surface of the diesel engine component as a result of applying the voltage to the plasma electrolyte polishing cell. The method and system may terminate the voltage to the plasma electrolyte polishing cell. The method and system may apply a coating process to the diesel engine component.Type: GrantFiled: November 30, 2018Date of Patent: May 14, 2024Assignee: Cummins Inc.Inventors: Manoj M. Thete, Romaine O. Edwards
-
Patent number: 11975849Abstract: A de-icing assembly for a surface of an aircraft includes: a carcass with a first layer, a second layer, and a carcass centerline and a plurality of seams sewn into the carcass, wherein the plurality of seams join the first and second layers of the carcass together. The assembly includes a plurality of inflation passages formed by the plurality of seams and disposed between the first and second layers of the carcass. The system also includes a manifold fluidly connected to and disposed beneath the carcass, the manifold comprising a width and a manifold centerline oriented approximately perpendicular or parallel to the carcass centerline. The seams are sown by a stitchline formed of carbon nanotube yarn.Type: GrantFiled: June 14, 2021Date of Patent: May 7, 2024Assignee: GOODRICH CORPORATIONInventors: Casey Slane, Daniel Waina, Galdemir Cezar Botura
-
Patent number: 11976353Abstract: The present disclosure relates to a tantalum carbide-coated carbon material and a method for manufacturing the same, and an aspect of the present disclosure provides a tantalum carbide-coated carbon material including: a carbon substrate; and a tantalum carbide coating layer formed on the carbon substrate by a CVD method, wherein microcracks included in the tantalum carbide coating layer have a maximum width of 1.5 ?m to 2.6 ?m.Type: GrantFiled: December 1, 2021Date of Patent: May 7, 2024Assignee: Tokai Carbon Korea Co., LtdInventor: Dong Wan Jo
-
Patent number: 11964879Abstract: A template-assisted method for the synthesis of 2D nanosheets comprises growing a 2D material on the surface of a nanoparticle substrate that acts as a template for nanosheet growth. The 2D nanosheets may then be released from the template surface, e.g. via chemical intercalation and exfoliation, purified, and the templates may be reused.Type: GrantFiled: March 30, 2020Date of Patent: April 23, 2024Assignee: NANOCO 2D MATERIALS LIMITEDInventors: Steven Daniels, Nigel L. Pickett
-
Patent number: 11952129Abstract: A system for inductive heating of an aircraft surface includes a conductive outer layer configured to be located on an outer portion of the aircraft surface. The system further includes a carbon nanotube (CNT) yarn configured to receive and conduct electrical current. The system further includes an insulator located between the conductive outer layer and the CNT yarn such that the electrical current flowing through the CNT yarn generates induction heating on the conductive outer layer.Type: GrantFiled: December 30, 2020Date of Patent: April 9, 2024Assignee: GOODRICH CORPORATIONInventors: Jin Hu, Galdemir Cezar Botura, Mauro J. Atalla
-
Patent number: 11953958Abstract: A display includes: a display panel; and a panel bottom sheet disposed below the display panel, the panel bottom sheet including: a first heat dissipation layer; a second heat dissipation layer over the first heat dissipation layer, including a first opening formed completely through the second heat dissipation layer in a thickness direction; a heat dissipation coupling interlayer between the first heat dissipation layer and the second heat dissipation layer, and a heat dissipation substrate on the second heat dissipation layer.Type: GrantFiled: December 12, 2022Date of Patent: April 9, 2024Assignee: Samsung Display Co., Ltd.Inventors: Kang Woo Lee, Boo Kan Ki, June Hyoung Park, Sun Hee Oh, Dong Hyeon Lee, Jeong In Lee, Hyuk Hwan Kim, Seong Sik Choi
-
Patent number: 11946134Abstract: Methods of depositing a nanocrystalline diamond film are described. The method may be used in the manufacture of integrated circuits. Methods include treating a substrate with a mild plasma to form a treated substrate surface, incubating the treated substrate with a carbon-rich weak plasma to nucleate diamond particles on the treated substrate surface, followed by treating the substrate with a strong plasma to form a nanocrystalline diamond film.Type: GrantFiled: January 27, 2022Date of Patent: April 2, 2024Assignee: Applied Materials, Inc.Inventors: Sze Chieh Tan, Vicknesh Sahmuganathan, Eswaranand Venkatasubramanian, Abhijit Basu Mallick, John Sudijono
-
Patent number: 11945912Abstract: The present invention provides a method of manufacturing a polyimide film including unit polymers that are omnidirectionally distributed, and a polyimide film. The present invention also provides a graphite sheet having good quality manufactured using the polyimide film.Type: GrantFiled: November 20, 2018Date of Patent: April 2, 2024Assignee: PI ADVANCED MATERIALS CO., LTD.Inventors: Hyong Sop Jo, Jae Hyun Kim
-
Patent number: 11948857Abstract: The present application discloses a method for fabricating a semiconductor device. The method includes providing a substrate, forming a first pad above the substrate, forming a first redistribution conductive layer on the first pad, and forming a first redistribution thermal release layer on the first redistribution conductive layer. The first redistribution conductive layer and the first redistribution thermal release layer together form a first redistribution structure and the first redistribution thermal release layer is configured to sustain a thermal resistance between about 0.04° C. cm2/Watt and about 0.25° C. cm2/Watt.Type: GrantFiled: March 3, 2022Date of Patent: April 2, 2024Assignee: NANYA TECHNOLOGY CORPORATIONInventor: Jar-Ming Ho
-
Patent number: 11930880Abstract: A weightlifting shoe has a bottom sole, a midsole comprising a thermoplastic polyurethane (TPU), and one or more panels attached to one or both of the midsole and the bottom sole to define an enclosure for a person's foot. The midsole may be disposed above at least a portion of the bottom sole and may have a decreasing thickness in a direction from a rear region of the bottom sole toward a front region of the bottom sole opposite the rear region. The enclosure may have an axis defined between opposing front and rear points on the enclosure at a longest part thereof and may have a width defined perpendicular to the axis. The width of the enclosure may have a maximum value at a position along the axis that is more than 70% of the way from the rear point to the front point.Type: GrantFiled: May 2, 2022Date of Patent: March 19, 2024Assignee: TYR Sport, Inc.Inventors: Matthew Vito DiLorenzo, Sunki Jeon, Yang Wang, Corey Berger, Aaron Horschig
-
Patent number: 11925891Abstract: A filter media and methods are provided. The media is stretchable and exhibits a high degree of elongation which thereby extends its surface area during pleating. By extending surface area of media during pleating, the initial differential pressure is lowered as the area of media is stretched while keeping the same efficiency range with a compressed thickness of media on the affected area.Type: GrantFiled: February 10, 2021Date of Patent: March 12, 2024Assignee: PARKER-HANNIFIN CORPORATIONInventors: SoonDeuk Jeung, Yogesh Ner, Lu Liu, Zhiwang Wu, Lei Li
-
Patent number: 11909024Abstract: A protective layer can be deposited on a surface of an porous polymer separator placing on a Li-metal electrode to protect against adverse electrochemical activity in a battery. The protective layer can be a multilayered structure including graphene oxide.Type: GrantFiled: November 20, 2020Date of Patent: February 20, 2024Assignee: Massachusetts Institute of TechnologyInventors: Paula T. Hammond, Sun Hwa Lee
-
Patent number: 11890846Abstract: The present disclosure relates to a method of transferring a graphene, the method comprising the steps of: forming a graphene on a first substrate; forming a polymer precursor mixture on a second substrate; disposing the graphene oppositely to the second substrate having the polymer precursor mixture formed thereon; pressing the first substrate and the second substrate while curing the polymer precursor mixture; and peeling off the first substrate.Type: GrantFiled: February 26, 2021Date of Patent: February 6, 2024Assignee: Research & Business Foundation Sungkyunkwan UniversityInventors: Dongmok Whang, YoungMin Seo, Wonseok Jang, Tae Jun Gu
-
Patent number: 11884545Abstract: A method for manufacturing complex Si—C cathode base units includes the steps of: pulverizing a graphene block; mixing the plurality of graphene pieces with ethanol and first high molecular material; dispersing and pulverizing powders of silicon, and silicon oxide (SiOx) into a plurality of complex monomers; and then they being mixed with high molecular graphene recipe gel solution; spraying and drying Si—C solution to form with first order Si—C nanoparticles; a plurality of buffer spaces being formed in the plurality of graphene pieces; mixing first order SIC nanoparticles, second high molecular material, and a small amount of nanometer carbon tubes and then calcined them; the first order SiC nanoparticles, the second high molecular material and the nanometer carbon tubes being shaped or being sprayed and dried; and finally, calcining them to form as third order SIC nanoparticles which is the complex Si—C based unit.Type: GrantFiled: April 20, 2020Date of Patent: January 30, 2024Assignee: SolidEdge Solution Inc.Inventors: Hong-Zheng Lai, Tseng-Lung Chang
-
Patent number: 11884544Abstract: Disclosed here is a method of fabricating a covalently reinforced carbon nanotube (CNT) assembly. The method includes producing a CNT assembly by pulling entangled CNTs from a CNT array fabricated on a substrate, the CNT assembly including a plurality of CNTs that are aligned; and creating covalent bonding between the CNTs of the CNT assembly by applying a high energy ion irradiation to the CNT assembly.Type: GrantFiled: June 20, 2022Date of Patent: January 30, 2024Assignee: Lawrence Livermore National Security, LLCInventors: Xavier N. Lepro Chavez, Chantel M. Aracne-Ruddle, Leonardus Bimo Bayu Aji, Sergei O. Kucheyev, Michael Stadermann
-
Patent number: 11873257Abstract: An antiballistic armor-plating component, includes a ceramic body made of a material including, as percentages by volume, between 20% and 75% of boron carbide, between 5% an d 30% of a metallic silicon phase or of a metallic phase including silicon and between 20% and 70% of silicon carbide and wherein, as percentages by volume: more than 60% of the grains with an equivalent diameter greater than 60 micrometers are boron carbide grains, the boron carbide grains with an equivalent diameter greater than 30 micrometers represent more than 20%, the silicon carbide grains with an equivalent diameter greater than or equal to 10 micrometers represent more than 10%, the silicon carbide grains with an equivalent diameter less than 10 micrometers represent more than 10%.Type: GrantFiled: July 31, 2020Date of Patent: January 16, 2024Assignee: SAINT-GOBAIN CENTRE DE RECHERCHES ET D'ETUDES EUROPEENInventors: Jérôme Brulin, Jérôme Sant
-
Patent number: 11857931Abstract: The application refers to process for production of a nano-microemulsion system of plant oil triglycerides, including: (i) preparing a dispersed phase plant oil triglyceride; (ii) preparing a carrier made from a mixture of propylene glycol monocaprylate and lecithin by a weight ratio of 5-6:1-1.5; (iii) adding the carrier to the dispersed phase by a weight ratio of 3-4:1-1.5, wherein the dispersed phase temperature is maintained between 60-100° C. while stirring under vacuum, followed by introduction of the whole mixture through the high-pressure microjet homogenizer; (iv) adding Tween 80 and Tween 60 to the solution mixture obtained in step (iii) by a weight ratio of 3-4:1-1.5:1-1.5, wherein the temperature of the dispersed phase is continuously maintained between 60-100° C.Type: GrantFiled: July 16, 2020Date of Patent: January 2, 2024Assignee: Wakamono Joint Stock CompanyInventors: Hong Ngoc Thi Dang, Nam Hai Lai
-
Patent number: 11845907Abstract: Provided is a carbon transfer film excellent in wear suppression and friction reduction effects. A carbon transfer film 12 contains sp2-bonded carbon, wherein a ratio of zirconium calculated by elemental analysis of a surface by SEM-EDX measurement is 0.6 mass % or lower, and a thickness is less than 100 nm. A sliding member 1 includes a substrate 11 and a carbon transfer film 12 provided on at least one surface of the substrate 11, wherein the carbon transfer film 12 contains sp2-bonded carbon and has a thickness of less than 100 nm; and a ratio of zirconium calculated from elemental analysis the carbon transfer film 12 surface by SEM-EDX measurement of is 0.6 mass % or lower. A lubricant composition contains an organic dispersion medium as a lubricant base and nanodiamond particles nanodispersed in the organic dispersion medium, wherein a content ratio of zirconia is lower than 100 mass ppm.Type: GrantFiled: September 16, 2020Date of Patent: December 19, 2023Assignee: DAICEL CORPORATIONInventor: Ryosuke Ihara
-
Patent number: 11846160Abstract: A coating architecture is disclosed that includes a substrate having a surface finish Ra of 0.3? or finer, an intermediate layer overlying and in contact with the substrate; and a solid lubricant layer overlying and in contact with the intermediate layer. The test results of applying the coating architecture to a reciprocating hammer drill utilizing the coating is also disclosed.Type: GrantFiled: September 27, 2021Date of Patent: December 19, 2023Assignee: National Technology & Engineering Solutions of Sandia, LLCInventors: Jiann-Cherng Su, Somuri V. Prasad, Rand Garfield
-
Patent number: 11839923Abstract: A coated tool may include a base member having a first surface and a coating layer located on the first surface. The coating layer may have a first layer and a second layer. The first layer may be located on the first surface, and the first layer may include aluminum oxide. The second layer may be contactedly located on the first layer, and the second layer may include a titanium compound. In a cross section orthogonal to the first surface, the first layer may include a first projection protruding toward the second layer and a first recess located on the first projection. The second layer may include a second recess engaged with the first projection and a second projection engaged with the first recess.Type: GrantFiled: June 18, 2018Date of Patent: December 12, 2023Assignee: KYOCERA CorporationInventors: Yoshikazu Kodama, Tadashi Katsuma
-
Patent number: 11830673Abstract: A method of preparing a soft carbon material for high-voltage supercapacitors includes: providing an initial soft carbon material characterized by: (A) a first carbon layer spacing greater than 0.345 nm but less than 0.360 nm; (B) a crystal plane (002) with a length (Lc) less than 6 nm; (C) a crystal plane (101) with a length (La) less than 6 nm; and (D) an intensity ratio (I(002)/I(101)) of the crystal plane (002) to the crystal plane (101) obtained by XRD analysis being less than 60; performing an alkaline activation on the initial soft carbon material with an alkaline activator to obtain a first processing carbon material; and performing an electrochemical activation on the first processing carbon material with an electrolyte to obtain the soft carbon material for the high-voltage supercapacitors.Type: GrantFiled: August 10, 2020Date of Patent: November 28, 2023Assignee: CPC CORPORATION, TAIWANInventors: Yan-Shi Chen, Gao-Shee Leu, Yu-Chien Liu, Chi-Chang Hu
-
Patent number: 11814296Abstract: The present disclosure relates to novel particulate composite materials comprising a graphitic core particle associated with SiOx nanoparticles (0.2?X?1.8), and coated by a layer of non-graphitic carbon, e.g., pyrolytic carbon deposited by chemical vapor deposition (CVD). Also included are processes for making such particles as well as uses and downstream products for the novel composite material, in particular as an active material in negative electrodes in Li-ion batteries.Type: GrantFiled: July 20, 2018Date of Patent: November 14, 2023Assignee: Imerys Graphite & Carbon Switzerland Ltd.Inventors: Michael Spahr, Michal Gulas, Tatsuo Umeno, Hiroyuki Taki, Pascual Perez
-
Patent number: 11787913Abstract: A sizing agent for carbon fiber includes component (A), component (B), and component (C), in which the component (A) is at least one selected from the group consisting of component (A-1), component (A-2), and component (A-3); the component (A-1) is a urethane compound having a structure of Formula (1-1) in the molecule, the component (A-2) is an ester compound having a structure represented by Formula (1-2) in the molecule, the component (A-3) is an amide compound having a structure of Formula (1-3) in the molecule; the component (B) is an epoxy compound selected from the group consisting of an epoxy compound represented by Formula (2), an epoxy compound represented by Formula (3), and an epoxy compound represented by Formula (4); and the component (C) is a bisphenol type epoxy compound.Type: GrantFiled: April 23, 2019Date of Patent: October 17, 2023Assignee: Mitsubishi Chemical CorporationInventors: Kenji Kaneta, Takaaki Suzuki, Kouki Wakabayashi, Akihiro Ito, Naoki Sugiura
-
Patent number: 11773808Abstract: A thrust panel may include a propellant socket formed to accommodate a plurality of propellants and a combustion chamber that communicates with the propellant socket.Type: GrantFiled: March 28, 2022Date of Patent: October 3, 2023Assignee: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATIONInventors: Jeongrak Lee, Anna Lee, Eunji Lee, Youngbin Son, Hanseong Jo, Seonghyeon Kim
-
Patent number: 11773654Abstract: Embodiments of the invention relate to polycrystalline diamond compact (“PDC”) including a polycrystalline diamond (“PCD”) table that bonded to a cobalt-nickel alloy cemented carbide substrate. The cobalt-nickel alloy cemented carbide substrate provides both erosion resistance and corrosion resistance to the cemented carbide substrate. In an embodiment, a PDC includes a cemented carbide substrate including cobalt-nickel alloy cementing constituent. The PDC further includes a PCD table bonded to the cemented carbide substrate.Type: GrantFiled: December 14, 2021Date of Patent: October 3, 2023Assignee: US SYNTHETIC CORPORATIONInventors: Debkumar Mukhopadhyay, Kenneth E. Bertagnolli
-
Patent number: 11773978Abstract: A leak-proof sealing system is provided for sealing combustion chambers of an automotive engine.Type: GrantFiled: March 11, 2021Date of Patent: October 3, 2023Assignee: Dana Automotive Systems Group, LLCInventor: Martin Mockenhaupt
-
Patent number: 11761118Abstract: A method for manufacturing a carbon-doped silicon single crystal wafer, including steps of: preparing a silicon single crystal wafer not doped with carbon; performing a first RTA treatment on the silicon single crystal wafer in an atmosphere containing compound gas; performing a second RTA treatment at a higher temperature than the first RTA treatment; cooling the silicon single crystal wafer after the second RTA treatment; and performing a third RTA treatment. The crystal wafer is modified to a carbon-doped silicon single crystal wafer, sequentially from a surface thereof: a 3C-SiC single crystal layer; a carbon precipitation layer; a diffusion layer of interstitial carbon and silicon; and a diffusion layer of vacancy and carbon. A carbon-doped silicon single crystal wafer having a surface layer with high carbon concentration and uniform carbon concentration distribution to enable wafer strength enhancement; and a method for manufacturing the carbon-doped silicon single crystal wafer.Type: GrantFiled: June 30, 2020Date of Patent: September 19, 2023Assignee: SHIN-ETSU HANDOTAI CO., LTD.Inventors: Weifeng Qu, Shizuo Igawa, Ken Sunakawa
-
Patent number: 11739067Abstract: Superhydrophobic electrothermal epoxy composites, their preparation and a self-healing method are disclosed. 1,4,5-oxadithiepane-2,7-dione and methylhexahydrophthalic anhydride were mixed and cured with epoxides to get self-healable epoxy resins; carbon nanotube/self-healable epoxy resin prepolymers were coated on self-healable epoxy resins and cured to get electrothermal epoxy composites; modified superhydrophobic copper powders were adhered on electrothermal epoxy composites and cured to get a kind of superhydrophobic electrothermal epoxy composites. The thermal resistance of superhydrophobic electrothermal epoxy composites is superior to existed technical solutions and they can simultaneously repair cracking and delamination and the healed samples still exhibit excellent superhydrophobicity.Type: GrantFiled: August 26, 2020Date of Patent: August 29, 2023Assignee: SOOCHOW UNIVERSITYInventors: Guozheng Liang, Youhao Zhang, Aijuan Gu, Li Yuan
-
Patent number: 11732343Abstract: Disclosed is a part comprising a metal substrate, a non-hydrogenated amorphous ta-C or aC carbon coating that coats the substrate, and an undercoat which is based on chromium (Cr), carbon (C) and silicon (Si) and is disposed between the metal substrate and the amorphous carbon coating and to which the amorphous carbon coating is applied, characterized in that the undercoat included, at its interface with the amorphous carbon coating, a ratio of silicon in atomic percent to chromium in atomic percent (Si/Cr) of 0.3 to 0.60, and a ratio of carbon in atomic percent to silicon in atomic percent (C/Si) of 2.5 to 3.5.Type: GrantFiled: June 17, 2019Date of Patent: August 22, 2023Assignee: HYDROMECANIQUE ET FROTTEMENTInventors: Laurent Bombillon, Fabrice Prost
-
Patent number: 11725074Abstract: The present application is directed to methods for preparation of carbon materials. The carbon materials comprise enhanced electrochemical properties and find utility in any number of electrical devices, for example, as electrode material in ultracapacitors or batteries.Type: GrantFiled: September 14, 2022Date of Patent: August 15, 2023Assignee: Group 14 Technologies, Inc.Inventors: Katharine Geramita, Benjamin E. Kron, Henry R. Costantino, Aaron M. Feaver, Avery J. Sakshaug, Leah A. Thompkins, Alan Tzu-Yang Chang
-
Patent number: 11702736Abstract: Provided are a method of manufacturing a diamond-graphene hybrid heat spreader-thermal interface material assembled thermal management material including: (a) preparing a planar diamond base material; and (b) converting a predetermined thickness of at least a partial area of one side or both sides of the diamond base material into vertical graphene, wherein the diamond base material serves as a heat spreader, and a graphene layer formed on the diamond base material serves as a thermal interface material (TIM) or a heat sink, and a method of modulating the diamond-graphene hybrid thermal management material including modulating the thermal management material by attaching a heterogenous member to the surface of the diamond-graphene hybrid thermal management material and pressurizing the attached structure.Type: GrantFiled: January 22, 2021Date of Patent: July 18, 2023Assignee: Korea Institute of Science and TechnologyInventors: Jae Kap Lee, Hyunsu Ju
-
Patent number: 11697254Abstract: An assembly (113) for composite manufacture is provided. The assembly comprises a cured resin impregnated reinforcement material (112) comprising a fibre component and a resin matrix component, in which the resin matrix component comprises polyurethane, the assembly having a length to width ratio of at least 5:1, and the assembly defining a longitudinal direction (L) along its length; and a peel ply (116) in contact with the cured resin impregnated reinforcement material (112), the peel ply (116) comprising a woven layer having a plurality of longitudinal fibres (118) extending in the longitudinal direction (L); and a plurality of transverse fibres (120) extending in a transverse direction (T) normal to the longitudinal direction (L); in which the areal density of the plurality of transverse fibres (120) is higher than the areal density of the plurality of longitudinal fibres (118).Type: GrantFiled: April 2, 2020Date of Patent: July 11, 2023Assignees: Hexcel Composites Limited, Hexcel Corporation, Hexcel Holding GmbHInventors: Johannes Moser, Yu-Chen Hung, Erin Reagan
-
Patent number: 11694852Abstract: An electrode (1), the electrode (1) comprises a substrate (4, 5) on which is located a porous layer of a conducting or semi-conducting oxide (6) and having located thereon Ferredoxin NADP Reductase (FNR) (3). The electrode (1) can be used to drive organic synthesis via nicotinamide cofactor regeneration.Type: GrantFiled: March 20, 2017Date of Patent: July 4, 2023Assignee: OXFORD UNIVERSITY INNOVATION LIMITEDInventors: Fraser Armstrong, Clare Megarity, Thomas Roberts, Bhavin Siritanaratkul
-
Patent number: 11691924Abstract: Disclosed herein is a chemical vapor infiltration method including flowing ceramic precursors through a preform and depositing a matrix material on the preform at a first gas infiltration pressure, increasing the gas filtration pressure to a second gas infiltration pressure, and lowering the gas infiltration pressure to a third gas infiltration pressure which is intermediate to the first and second gas infiltration pressures.Type: GrantFiled: February 21, 2020Date of Patent: July 4, 2023Assignee: RAYTHEON TECHNOLOGIES CORPORATIONInventors: Ying She, Nitin Garg, Andrew J. Lazur, Olivier H. Sudre
-
Patent number: 11680333Abstract: Methods for forming a graphene film on a silicon carbide material are provided, along with the resulting coated materials. The method can include: heating the silicon carbide material to a growth temperature (e.g., about 1,000° C. to about 2,200° C.), and exposing the silicon carbide material to a growth atmosphere comprising a halogen species. The halogen species reacts with the silicon carbide material to remove silicon therefrom. The halogen species can comprise fluorine (e.g., SiF4, etc.), chlorine (e.g., SiCl4), or a mixture thereof.Type: GrantFiled: February 14, 2014Date of Patent: June 20, 2023Assignee: University of South CarolinaInventors: Tangali S. Sudarshan, Tawhid Rana, MVS Chandrashekhar
-
Patent number: 11673301Abstract: A method of manufacturing a composite connector for a fluid transfer conduit is provided which comprises applying continuous fibre reinforcement, oriented at least partially circumferentially and pre-impregnated with a thermoplastic polymer to a tubular mould portion which extends substantially parallel to a central axis C; applying at least one further mould portion to form a complete mould in which the continuous fibre reinforcement is enclosed and injecting a thermoplastic polymer into the mould to form a connector with a tubular hub portion and a flange portion which extends from the hub portion at an angle to the central axis C. The tubular hub portion comprises a tubular seal section with an inner layer and an outer wherein the inner layer comprises the continuous fibre reinforcement and the outer layer comprises the injected thermoplastic polymer.Type: GrantFiled: December 18, 2019Date of Patent: June 13, 2023Assignee: CROMPTON TECHNOLOGY GROUP LIMITEDInventors: James William Bernard, Nathaniel M. Gray
-
Patent number: 11675110Abstract: A system and method for diamond based multilayer antireflective coating for optical windows are provided. An antireflective coatings for optical windows may include an optical grade silicon substrate, a first polycrystalline diamond film on the silicon substrate, a germanium film on the first polycrystalline diamond film, a fused silica film on the germanium film; and a second polycrystalline diamond film on the fused silica film. A method of fabricating a diamond based multilayer antireflective coating may include the steps of cleaning and seeding an optical substrate, forming a first diamond layer on the optical substrate, forming a germanium layer on the first diamond layer, forming a fused silica layer on the germanium layer, cleaning and seeding the germanium layer, and forming a second diamond layer on the germanium layer.Type: GrantFiled: August 11, 2021Date of Patent: June 13, 2023Assignee: AKHAN SEMICONDUCTOR, INC.Inventors: Adam Khan, Robert Polak
-
Patent number: 11650356Abstract: A high-performance optical absorber is provided having a texturized base layer. The base layer has one or more of a polymer film and a polymer coating. A surface layer is located above and immediately adjacent to the base layer and the surface layer joined to the base layer. The surface layer comprises a plasma-functionalized, non-woven carbon nanotube (CNT) sheet, wherein the base layer texturization comprises one or more of substantially rectangular ridges, substantially triangular ridges, substantially pyramidal ridges, and truncated, substantially pyramidal ridges. The CNT sheet has a thickness greater than or equal to 10×?, where ? is the wavelength of the incident light. In certain embodiments the base layer has a height above the surface layer greater than or equal to 10×?, where ? is the wavelength of the incident light.Type: GrantFiled: September 19, 2022Date of Patent: May 16, 2023Assignee: NORTHROP GRUMMAN SYSTEMS CORPORATIONInventors: John A. Starkovich, Edward M. Silverman
-
Patent number: 11643328Abstract: Disclosed is a method of producing surface-treated carbon nanostructures which comprises: a depressurization step wherein a carbon nanostructure-containing liquid which comprises carbon nanostructures and a dispersion medium is depressurized; and a surface treatment step wherein an oxidizing agent is added in the carbon nanostructure-containing liquid after or during the depressurization step so that the carbon nanostructures have a surface oxygen atom concentration of 7.0 at % or more. The carbon nanostructures preferably comprise carbon nanotubes.Type: GrantFiled: February 19, 2018Date of Patent: May 9, 2023Assignee: ZEON CORPORATIONInventor: Osamu Kawakami
-
Patent number: 11639543Abstract: A tetrahedral amorphous hydrogenated carbon and amorphous siloxane hybrid diamond-like nanocomposite composition can include: tetrahedral amorphous hydrogenated carbon (ta-C:H); and amorphous siloxane (a-Si:O), wherein the ta-C:H and a-Si:O are in an interpenetrating network. A method of forming a tetrahedral amorphous hydrogenated carbon and amorphous siloxane hybrid diamond-like nanocomposite can include: providing a source of H, C, O, and Si as a liquid precursor; providing evaporated precursor into a vacuum chamber; forming a plasma with an RF plasma generator and/or a thermal plasma generator; and depositing, on a rotating biased substrate, a collimated layer of the tetrahedral amorphous hydrogenated carbon and amorphous siloxane hybrid diamond-like nanocomposite having tetrahedral amorphous hydrogenated carbon (ta-C:H) and amorphous siloxane (a-Si:O), wherein the ta-C:H and a-Si:O are in an interpenetrating network. A RF rotating electrode is also provided.Type: GrantFiled: May 15, 2020Date of Patent: May 2, 2023Assignee: Thin Film Service, Inc.Inventor: Ollivier Lefevre
-
Patent number: 11634365Abstract: A method of forming an activated coating composition is disclosed. The method includes providing (a) boron nitride, (b) carbon, (c) aluminum oxide and (d) a liquid carrier. Each of the boron nitride, carbon and aluminum oxide are in particulate form. The coating composition is activated to form an activated coating composition. The activated coating composition includes active components having from about 60.0 wt % to about 90.0 wt % boron nitride, from about 16 wt % to about 24 wt % carbon and from about 4 wt % to about 6 wt % aluminum oxide. A coating method, coated substrate and activated coating composition are also disclosed.Type: GrantFiled: December 15, 2020Date of Patent: April 25, 2023Assignee: Richter Precision, Inc.Inventors: Aghasi Torosyan, Hans E. Richter, Bikram S. Kamboj
-
Patent number: 11631514Abstract: Disclosed is a superconducting magnet with improved thermal and electrical stabilities and a method for manufacturing the same. The superconducting magnet includes a bobbin disposed at a center of the superconducting magnet, a superconducting winding wound around an outer face of the bobbin, and an epoxy impregnated at an exterior of the superconducting winding, wherein the epoxy contains carbon nanotubes.Type: GrantFiled: December 21, 2018Date of Patent: April 18, 2023Assignee: Korea University Research and Business FoundationInventors: Hyunhee Son, Haigun Lee
-
Patent number: 11628416Abstract: A graphene coated crushed glass particle adsorbent is provided for the removal of heavy metals and other contaminants in from solutions such as wastewaters, contaminated surface water and groundwater. The adsorbent comprises crushed (e.g. recycled) glass coated with graphene nano-sheets using a staged thermal binding process and the silicas in the glass as a catalyst. The adsorbent may be configured for use in both in-situ and ex-situ treatment systems and is capable of removing heavy metals and other inorganic and organic contaminants. The strong adsorptive bond between contaminants and the graphene coating on crushed glass particles can also lead to alternative applications of the end of life adsorbent, such as base material in road and pavement (e.g. cement-like) construction materials.Type: GrantFiled: December 22, 2017Date of Patent: April 18, 2023Inventors: Edwin Safari, Mohammad Tofigh Rayhani