Patents Assigned to American Air Liquide, Inc.
  • Publication number: 20240112920
    Abstract: Cyclic etch methods comprise the steps of: i) exposing a SiN layer covering a structure on a substrate in a reaction chamber to a plasma of hydrofluorocarbon (HFC) to form a polymer layer deposited on the SiN layer that modifies the surface of the SiN layer, the HFC having a formula CxHyFz where x=2-5, y>z, the HFC being a saturated or unsaturated, linear or cyclic HFC; ii) exposing the polymer layer deposited on the SiN layer to a plasma of an inert gas, the plasma of the inert gas removing the polymer layer deposited on the SiN layer and the modified surface of the SiN layer on an etch front; and iii) repeating the steps of i) and ii) until the SiN layer on the etch front is selectively removed, thereby forming a substantially vertically straight SiN spacer comprising the SiN layer on the sidewall of the structure.
    Type: Application
    Filed: October 25, 2023
    Publication date: April 4, 2024
    Applicant: AMERICAN AIR LIQUIDE, INC.
    Inventors: Xiangyu GUO, James ROYER, Venkateswara R. PALLEM, Nathan STAFFORD
  • Patent number: 11837474
    Abstract: Cyclic etch methods comprise the steps of: i) exposing a SiN layer covering a structure on a substrate in a reaction chamber to a plasma of hydrofluorocarbon (HFC) to form a polymer layer deposited on the SiN layer that modifies the surface of the SiN layer, the HFC having a formula CxHyFz where x=2-5, y>z, the HFC being a saturated or unsaturated, linear or cyclic HFC; ii) exposing the polymer layer deposited on the SiN layer to a plasma of an inert gas, the plasma of the inert gas removing the polymer layer deposited on the SiN layer and the modified surface of the SiN layer on an etch front; and iii) repeating the steps of i) and ii) until the SiN layer on the etch front is selectively removed, thereby forming a substantially vertically straight SiN spacer comprising the SiN layer on the sidewall of the structure.
    Type: Grant
    Filed: September 15, 2022
    Date of Patent: December 5, 2023
    Assignee: American Air Liquide, Inc.
    Inventors: Xiangyu Guo, James Royer, Venkateswara R. Pallem, Nathan Stafford
  • Publication number: 20230357281
    Abstract: Disclosed are indium (In)-containing film forming compositions comprising In(III)-containing precursors that contain halogens, methods of synthesizing them and methods of using them to deposit the indium-containing films and/or indium-containing alloy film. The disclosed In(III)-containing precursors contain chlorine with nitrogen based ligands. In particular, the disclosed In(III)-containing precursors contains 1 or 2 amidinate ligands, 1 or 2 iminopyrrolidinate ligands, 1 or 2 amido amino alkane ligands, 1 or 2 ?-diketiminate ligands or a silyl amine ligand. The disclosed In(III)-containing precursors are suitable for vapor phase depositions (e.g., ALD, CVD) of the indium-containing films and/or indium-containing alloy films.
    Type: Application
    Filed: July 3, 2023
    Publication date: November 9, 2023
    Applicant: American Air Liquide, Inc.
    Inventors: Kayla DIEMOZ, Bradley McKEOWN, Claudia FAFARD, Venkateswara R. PALLEM
  • Publication number: 20230357095
    Abstract: A method for irrigation of a crop capable of producing Cannabidiol (CBD) comprises irrigating the crop with a nanobubble hydrogen rich water (HRW-nano), whereby a concentration of CBD in the crop increased as a result of irrigating with the HRW-nano, compared to irrigation with an irrigation water having the same composition except without added hydrogen (control irrigation).
    Type: Application
    Filed: September 13, 2021
    Publication date: November 9, 2023
    Applicants: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude, American Air Liquide, Inc.
    Inventors: Rovshan MAHMUDOV, Shu FANG, Yan ZENG
  • Patent number: 11806677
    Abstract: A preprocessing method comprises a sintering step of heating a solid material container filled with a solid material using a temperature which is lower than either the melting point or sublimation of the solid material, whichever is lower, and crystallizing at least part of the solid material, and an impurity removal step of heating the solid material container filled with the solid material using a temperature which is lower than either the melting point or sublimation of the solid material, whichever is lower, and removing at least part of the impurities included in the solid material.
    Type: Grant
    Filed: December 6, 2018
    Date of Patent: November 7, 2023
    Assignees: L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation des Procedes Georges Claude, American Air Liquide, Inc.
    Inventors: Kohei Tarutani, Jean-Marc Girard, Nicolas Blasco, Stefan Wiese, Guillaume Husson
  • Patent number: 11798811
    Abstract: Disclosed are methods for etching a silicon-containing film to form a patterned structure, methods for reinforcing and/or strengthening and/or minimizing damage of a patterned mask layer while forming a patterned structure and methods for increasing etch resistance of a patterned mask layer in a process of forming a patterned structure. The methods include using an activated iodine-containing etching compound having the formula CnHxFyIz, wherein 4?n?10, 0?x?21, 0?y?21, and 1?z?4 as an etching gas. The activated iodine-containing etching compound produces iodine ions, which are implanted into the patterned hardmask layer, thereby strengthening the patterned mask layer.
    Type: Grant
    Filed: June 26, 2020
    Date of Patent: October 24, 2023
    Assignee: American Air Liquide, Inc.
    Inventor: Fabrizio Marchegiani
  • Patent number: 11784041
    Abstract: The disclosed lanthanide precursor compounds include a cyclopentadienyl ligand having at least one aliphatic group as a substituent and at least one bidentate ligand. These precursors are suitable for depositing lanthanide containing films.
    Type: Grant
    Filed: February 8, 2022
    Date of Patent: October 10, 2023
    Assignees: L'Air Liquide, Sociéte Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude, American Air Liquide, Inc.
    Inventors: Daehyeon Kim, Junhyun Song, Wontae Noh, Venkateswara R. Pallem
  • Patent number: 11739220
    Abstract: A Si-containing film forming composition comprising a catalyst and/or a polysilane and a N—H free, C-free, and Si-rich perhydropolysilazane having a molecular weight ranging from approximately 332 dalton to approximately 100,000 dalton and comprising N—H free repeating units having the formula [—N(SiH3)x(SiH2-)y], wherein x=0, 1, or 2 and y=0, 1, or 2 with x+y=2; and x=0, 1 or 2 and y=1, 2, or 3 with x+y=3. Also disclosed are synthesis methods and applications for using the same.
    Type: Grant
    Filed: February 21, 2019
    Date of Patent: August 29, 2023
    Assignees: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude, American Air Liquide, Inc.
    Inventors: Antonio Sanchez, Gennadiy Itov, Manish Khandelwal, Cole Ritter, Peng Zhang, Jean-Marc Girard, Zhiwen Wan, Glenn Kuchenbeiser, David Orban, Sean Kerrigan, Reno Pesaresi, Matthew Damien Stephens, Yang Wang, Guillaume Husson, Grigory Nikiforov
  • Patent number: 11679156
    Abstract: The disclosure relates to a manufactured composition, material or device comprising at least two different nonradioactive isotope atoms. Each nonradioactive isotope atom is present in an amount sufficient to increase the total amount of the nonradioactive isotope atom above the total amount found in the manufactured composition, material or device in the absence of adding the nonradioactive isotope atom to increase said total amount. The ratio(s) of the at least two nonradioactive isotopes in the manufactured composition, material or device are measurably different than the ratio(s) found in the manufactured composition, material or device in the absence of adding the nonradioactive isotope atom to increase said total amount.
    Type: Grant
    Filed: November 1, 2018
    Date of Patent: June 20, 2023
    Assignees: American Air Liquide, Inc., Airgas, Inc., L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude
    Inventors: Tracey Jacksier, Mani Matthew, Anthony W. Reccek, Jr., Martin Vasarhelyi, Vincent M. Omarjee
  • Patent number: 11499014
    Abstract: Disclosed are silicon and carbon containing film forming compositions comprising a polycarbosilazane polymer or oligomer formulation that consists of silazane-bridged carbosilane monomers, the carbosilane containing at least two —SiH2— moieties, either as terminal groups (—SiH3R) or embedded in a carbosilane cyclic compound, wherein R is H, a C1-C6 linear, branched, or cyclic alkyl- group, a C1-C6 linear, branched, or cyclic alkenyl- group, or combination thereof. Also disclosed are methods of forming a silicon and carbon containing film comprising forming a solution comprising a polycarbosilazane polymer or oligomer formulation and contacting the solution with the substrate via a spin-on coating, spray coating, dip coating, or slit coating technique to form the silicon and carbon containing film.
    Type: Grant
    Filed: December 31, 2019
    Date of Patent: November 15, 2022
    Assignees: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude, American Air Liquide, Inc.
    Inventors: Yumin Liu, Jean-Marc Girard, Peng Zhang, Fan Qin, Gennadiy Itov, Fabrizio Marchegiani, Thomas J. Larrabee
  • Patent number: 11469110
    Abstract: Cyclic etch methods comprise the steps of: i) exposing a SiN layer covering a structure on a substrate in a reaction chamber to a plasma of hydrofluorocarbon (HFC) to form a polymer layer deposited on the SiN layer that modifies the surface of the SiN layer, the HFC having a formula CxHyFz where x=2-5, y>z, the HFC being a saturated or unsaturated, linear or cyclic HFC; ii) exposing the polymer layer deposited on the SiN layer to a plasma of an inert gas, the plasma of the inert gas removing the polymer layer deposited on the SiN layer and the modified surface of the SiN layer on an etch front; and iii) repeating the steps of i) and ii) until the SiN layer on the etch front is selectively removed, thereby forming a substantially vertically straight SiN spacer comprising the SiN layer on the sidewall of the structure.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: October 11, 2022
    Assignee: American Air Liquide, Inc.
    Inventors: Xiangyu Guo, James Royer, Venkateswara R. Pallem, Nathan Stafford
  • Patent number: 11434153
    Abstract: Disclosed are decoupled systems and methods for producing an oxidized liquid. The method comprises the steps of generating an ozone strong water in a mass transfer unit, mixing the ozone strong water with a process liquid in a mixing unit to form a homogeneous and gas-free mixture of the ozone strong water and the process liquid, forwarding the homogeneous and gas-free mixture to a reaction unit, and producing the oxidized liquid in the reaction unit. The method utilizes the acidic feed liquid to generate ozone dissolved in water having a higher concentration at a saturated or nearly saturated concentration compared to prior art processes at atmospheric pressure and neutral or alkaline pH.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: September 6, 2022
    Assignees: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés George Claude, American Air Liquide, Inc.
    Inventors: Jan Mante, Joerg Schwerdt, Vasuhi Rasanayagam, Rovshan Mahmudov, Siavash Isazadeh
  • Patent number: 11430663
    Abstract: A method for etching silicon-containing films is disclosed. The method includes the steps of introducing a vapor of an iodine-containing etching compound into a reaction chamber containing a silicon-containing film on a substrate, wherein the iodine-containing etching compound has the formula CaHxFyIz, wherein a=1-3, x=0-6, y=1-7, z=1-2, x+y+z=4 when a=1, x+y+z=4 or 6 when a=2, and x+y+z=6 or 8 when a=3; introducing an inert gas into the reaction chamber; and activating a plasma to produce an activated iodine-containing etching compound capable of etching the silicon-containing film from the substrate.
    Type: Grant
    Filed: March 3, 2020
    Date of Patent: August 30, 2022
    Assignees: American Air Liquide, Inc., L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude, Air Liquide Electronics U.S. LP
    Inventors: Vijay Surla, Rahul Gupta, Hui Sun, Venkateswara R. Pallem, Nathan Stafford, Fabrizio Marchegiani, Vincent M. Omarjee, James Royer
  • Patent number: 11407922
    Abstract: Si-containing film forming compositions are disclosed comprising a precursor having the formula [—NR—R4R5Si—(CH2)t—SiR2R3—]n wherein n=2 to 400; R, R2, R3, R4, and R5 are independently H, a hydrocarbon group, or an alkylamino group, and provided that at least one of R2, R3, R4, and R5 is H; and R is independently H, a hydrocarbon group, or a silyl group. Exemplary pre-cursors include, but are not limited to, [—NH—SiH2—CH2—SiH2—]n, and [—N(SiH2—CH2—SiH3)—SiH2—CH2—SiH2—]n.
    Type: Grant
    Filed: March 23, 2017
    Date of Patent: August 9, 2022
    Assignees: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude, American Air Liquide, Inc.
    Inventors: Manish Khandelwal, Sean Kerrigan, Jean-Marc Girard, Antonio Sanchez, Peng Zhang, Yang Wang
  • Patent number: 11280491
    Abstract: A radiative recuperator preheats oxidant and/or fuel for combustion at one or more burners of a furnace. The recuperator includes a duct, at least portions of which comprise a material having a thermal conductivity of greater than 1 W/(m·K), preferably greater than 3 W/(m·K), that receives hot flue gas produced by the burner(s). The duct radiatively transfers heat to oxidant or fuel (for preheating) flowing through one or more metallic pipes disposed in between the duct and an insulating wall.
    Type: Grant
    Filed: August 16, 2019
    Date of Patent: March 22, 2022
    Assignees: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude, American Air Liquide, Inc.
    Inventors: Taekyu Kang, James J. F. McAndrew, Remi Tsiava, Jiefu Ma, Ryan Adelman, Henri Chevrel
  • Patent number: 11203528
    Abstract: Solid or liquid N—H free, C-free, and Si-rich perhydropolysilazane compositions comprising units having the following formula [—N(SiH3)x(SiH2—)y], wherein x=0, 1, or 2 and y=0, 1, or 2 when x+y=2; and x=0, 1 or 2 and y=1, 2, or 3 when x+y=3 are disclosed. Also disclosed are synthesis methods and applications for the same.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: December 21, 2021
    Assignees: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude, American Air Liquide, Inc.
    Inventors: Antonio Sanchez, Gennadiy Itov, Manish Khandelwal, Cole Ritter, Peng Zhang, Jean-Marc Girard, Zhiwen Wan, Glenn Kuchenbeiser, David Orban, Sean Kerrigan, Reno Pesaresi, Matthew Damien Stephens, Yang Wang, Guillaume Husson
  • Patent number: 11152223
    Abstract: Etching gases are disclosed for plasma etching channel holes, gate trenches, staircase contacts, capacitor holes, contact holes, etc., in Si-containing layers on a substrate and plasma etching methods of using the same. The etching gases are trans-1,1,1,4,4,4-hexafluoro-2-butene; cis-1,1,1,4,4,4-hexafluoro-2-butene; hexafluoroisobutene; hexafluorocyclobutane (trans-1,1,2,2,3,4); pentafluorocyclobutane (1,1,2,2,3-); tetrafluorocyclobutane (1,1,2,2-); or hexafluorocyclobutane (cis-1,1,2,2,3,4). The etching gases may provide improved selectivity between the Si-containing layers and mask material, less damage to channel region, a straight vertical profile, and reduced bowing in pattern high aspect ratio structures.
    Type: Grant
    Filed: July 3, 2019
    Date of Patent: October 19, 2021
    Assignee: American Air Liquide, Inc.
    Inventors: Curtis Anderson, Rahul Gupta, Vincent M. Omarjee, Nathan Stafford, Christian Dussarrat
  • Patent number: 11097953
    Abstract: Synthesis of silanes with more than three silicon atoms are disclosed (i.e., (SinH(2n+2) with n=4-100). More particularly, the disclosed synthesis methods tune and optimize the isomer ratio by selection of process parameters such as temperature, residence time, and the relative amount of starting compounds, as well as selection of proper catalyst. The disclosed synthesis methods allow facile preparation of silanes containing more than three silicon atoms and particularly, the silanes containing preferably one major isomer. The pure isomers and isomer enriched mixtures are prepared by catalytic transformation of silane (SiH4), disilane (Si2H6), trisilane (Si3H8), and mixtures thereof.
    Type: Grant
    Filed: October 11, 2018
    Date of Patent: August 24, 2021
    Assignees: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude, American Air Liquide, Inc.
    Inventors: Grigory Nikiforov, Guillaume Husson, Gennadiy Itov, Yang Wang
  • Patent number: 11084744
    Abstract: Disclosed are systems and methods for mixing a gas-free liquid oxidant with a process liquid to form a homogeneous and gas-free mixture with minimized degassing. The mixing system comprises an injection device, integrating with a pipe through which a process liquid flows, configured and adapted to inject a gas-free liquid oxidant into the process liquid, and a mixer, fluidly connected to the pipe and the injection device, configured and adapted to mix the process liquid and the gas-free liquid oxidant therein to form a homogeneous and gas-free mixture of the process liquid and the gas-free liquid oxidant with minimal degassing. The method comprises the steps of a). injecting the gas-free liquid oxidant into the process liquid, and b). mixing the gas-free liquid oxidant and the process liquid to form the homogeneous and gas-free mixture. The gas-free liquid oxidant is ozone strong water.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: August 10, 2021
    Assignees: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude, American Air Liquide, Inc.
    Inventors: Jan Mante, Vasuhi Rasanayagam, Midhun Joy
  • Patent number: 10858271
    Abstract: Disclosed are methods for continuous production of ozone strong water, the methods comprising the steps of injecting an acidification agent into a pressurized feed water to maintain a pH value of the pressurized feed water below 7, diffusing a two-phase mixture of O2-O3 gas and recirculated water into a body of acidic pressurized water to dissolve ozone into the acidic pressurized water. The disclosed methods include simultaneously maintaining a start-up mode in an upper portion of the dissolution column that favors high efficiency of ozone mass transfer into the acidic pressurized water and a steady state mode in a lower portion of the dissolution column that favors a high concentration of dissolved ozone in the acidic pressurized water coexistent in the body of the acidic pressurized water, wherein an ozone concentration gradient is formed along a height of the body of the acidic pressurized water.
    Type: Grant
    Filed: July 26, 2018
    Date of Patent: December 8, 2020
    Assignees: L'Air Liquide, SociétéAnonyme pour l'Etude et l'Exploitation des Procédés Claude, American Air Liquide, Inc.
    Inventors: Jan Mante, Vasuhi Rasanayagam, Midhun Joy, Rovshan Mahmudov, Siavash Isazadeh