Patents by Inventor Charles Dezelah

Charles Dezelah 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).

  • Publication number: 20230077088
    Abstract: Methods of forming structures including a photoresist absorber layer and structures including the absorber layer underlying an extreme ultraviolet (EUV) photoresist are disclosed. Exemplary methods include forming the photoresist absorber layer or underlayer with an oxide of a high atomic number (z) element having an EUV cross section (??) of greater than 2×106 cm2/mol and then forming the EUV photoresist over the high-z underlayer.
    Type: Application
    Filed: August 31, 2022
    Publication date: March 9, 2023
    Inventors: Arpita Saha, David de Roest, Michael Givens, Charles Dezelah, Monica Thukkaram, Daniele Piumi
  • Publication number: 20230071197
    Abstract: Methods of forming structures including a photoresist absorber layer and structures including the photoresist absorber layer are disclosed. Exemplary methods include forming the photoresist absorber layer that includes an element having a relatively high extreme ultraviolet (EUV) sensitivity on a mass basis while having a relatively low EUV sensitivity on a mole basis.
    Type: Application
    Filed: August 31, 2022
    Publication date: March 9, 2023
    Inventors: Arpita Saha, David de Roest, Charles Dezelah, Michael Givens
  • Publication number: 20230059464
    Abstract: Methods of forming patterned features on a surface of a substrate are disclosed. Exemplary methods include gas-phase formation of a layer comprising an oxalate compound on a surface of the substrate. Portions of the layer comprising the oxalate compound can be exposed to radiation or active species that form exposed and unexposed portions. Material can be selectively deposed onto the exposed or the unexposed portions.
    Type: Application
    Filed: August 8, 2022
    Publication date: February 23, 2023
    Inventors: Yoann Tomczak, Ivan Zyulkov, David Kurt de Roest, Michael Eugence Givens, Daniele Piumi, Charles Dezelah
  • Patent number: 11574813
    Abstract: Atomic layer etching (ALE) processes are disclosed. In some embodiments, the methods comprise at least one etch cycle in which a substrate comprising a metal, metal oxide, metal nitride or metal oxynitride layer is contacted with an etch reactant comprising an vapor-phase N-substituted derivative of amine compound. In some embodiments the etch reactant reacts with the substrate surface to form volatile species including metal atoms from the substrate surface. In some embodiments a metal or metal nitride surface is oxidized as part of the ALE cycle. In some embodiments a substrate surface is contacted with a halide as part of the ALE cycle. In some embodiments a substrate surface is contacted with a plasma reactant as part of the ALE cycle.
    Type: Grant
    Filed: December 7, 2020
    Date of Patent: February 7, 2023
    Assignee: ASM IP HOLDING B.V.
    Inventors: Charles Dezelah, Varun Sharma
  • Publication number: 20230015690
    Abstract: Disclosed are methods and systems for depositing layers comprising a transition metal and a group 13 element. The layers are formed onto a surface of a substrate. The deposition process may be a cyclical deposition process. Exemplary structures in which the layers may be incorporated include field effect transistors, VNAND cells, metal-insulator-metal (MIM) structures, and DRAM capacitors.
    Type: Application
    Filed: July 14, 2022
    Publication date: January 19, 2023
    Inventors: Maart van Druenen, Qi Xie, Charles Dezelah, Petro Deminskyi, Lifu Chen, Giuseppe Alessio Verni, Ren-Jie Chang
  • Publication number: 20220411930
    Abstract: Compounds for selectively forming metal-containing films are provided. Methods of forming metal-containing films are also provided. The methods include forming a blocking layer, for example, on a first substrate surface, by a first deposition process and forming the metal-containing film, for example, on a second substrate surface, by a second deposition process.
    Type: Application
    Filed: November 3, 2020
    Publication date: December 29, 2022
    Inventors: Charith NANAYAKKARA, Joby ELDO, Jacob WOODRUFF, Charles DEZELAH, Shawn Sungeun HONG, Ravindra KANJOLIA, Daniel MOSER, Mark C. POTYEN
  • Publication number: 20220411919
    Abstract: The present disclosure relates to methods and apparatuses for depositing a transition metal nitride-containing material on a substrate in the field of manufacturing semiconductor devices. Methods according to the current disclosure comprise a cyclic deposition process, in which a substrate is provided in a reaction chamber, an organometallic transition metal precursor is provided to the reaction chamber in a vapor phase, and a nitrogen precursor is provided into the reaction chamber in a vapor phase to form a transition metal nitride on the substrate. The disclosure further relates to a transition metal nitride layer, to a semiconductor structure and a device, as well as to a deposition assembly for depositing a transition metal nitride on a substrate.
    Type: Application
    Filed: June 24, 2022
    Publication date: December 29, 2022
    Inventors: Elina Färm, Jan Willem Maes, Charles Dezelah, Shinya Ishiwata
  • Patent number: 11521851
    Abstract: Methods and systems for depositing vanadium and/or indium layers onto a surface of a substrate and structures and devices formed using the methods are disclosed. An exemplary method includes using a cyclical deposition process, depositing a vanadium and/or indium layer onto the surface of the substrate. The cyclical deposition process can include providing a vanadium and/or indium precursor to the reaction chamber and separately providing a reactant to the reaction chamber. The cyclical deposition process may desirably be a thermal cyclical deposition process. Exemplary structures can include field effect transistor structures, such as gate all around structures. The vanadium and/or indium layers can be used, for example, as barrier layers or liners, as work function layers, as dipole shifter layers, or the like.
    Type: Grant
    Filed: January 29, 2021
    Date of Patent: December 6, 2022
    Assignee: ASM IP Holding B.V.
    Inventors: Eric James Shero, Michael Eugene Givens, Qi Xie, Charles Dezelah, Giuseppe Alessio Verni
  • Publication number: 20220359215
    Abstract: The current disclosure relates to processes for selectively etching material from one surface of a semiconductor substrate over another surface of the semiconductor substrate. The disclosure further relates to assemblies for etching material from a surface of a semiconductor substrate. In the processes, a substrate comprising a first surface and a second surface is provided into a reaction chamber, an etch-priming reactant is provided into the reaction chamber in vapor phase; reactive species generated from plasma are provided into the reaction chamber for selectively etching material from the first surface. The etch-priming reactant is deposited on the first surface and the etch-priming reactant comprises a halogenated hydrocarbon. The halogenated hydrocarbon may comprise a head group and a tail group, and one or both of them may be halogenated.
    Type: Application
    Filed: April 19, 2022
    Publication date: November 10, 2022
    Inventors: René Henricus Jozef Vervuurt, Takayoshi Tsutsumi, Masaru Hori, Nobuyoshi Kobayashi, Yoshinori Oda, Charles Dezelah
  • Publication number: 20220341039
    Abstract: The disclosed and claimed subject matter relates to the ruthenium pyrazolate precursors and derivatives thereof as well as their uses in ALD or ALD-like processes and the films grown is such processes. In particular substituted unsaturated pyrazolate bridged diruthenium carbonyl complexes are disclosed.
    Type: Application
    Filed: November 24, 2020
    Publication date: October 27, 2022
    Inventors: Guo LIU, Jean-Sébastien M. LEHN, Charles DEZELAH, Jacob WOODRUFF, Jason P. COYLE
  • Publication number: 20220282374
    Abstract: Disclosed are methods and systems for depositing layers comprising vanadium and oxygen. The layers are formed onto a surface of a substrate. The deposition process may be a cyclical deposition process. Exemplary structures in which the layers may be incorporated include field effect transistors, VNAND cells, metal-insulator-metal (MIM) structures, and DRAM capacitors.
    Type: Application
    Filed: February 25, 2022
    Publication date: September 8, 2022
    Inventors: Giuseppe Alessio Verni, Ren-Jie Chang, Qi Xie, Charles Dezelah
  • Publication number: 20220285211
    Abstract: Disclosed are methods and systems for filling a gap. An exemplary method comprises providing a substrate to a reaction chamber. The substrate comprises the gap. The method further comprises at least partially filling the gap with a gap filling fluid. The methods and systems are useful, for example, in the field of integrated circuit manufacture.
    Type: Application
    Filed: February 25, 2022
    Publication date: September 8, 2022
    Inventors: Elina Färm, Shinya Iwashita, Charles Dezelah, Jan Willem Maes, Timothee Blanquart, René Henricus Jozef Vervuurt, Viljami Pore, Giuseppe Alessio Verni, Qi Xie, Ren-Jie Chang, Eric James Shero
  • Publication number: 20220285147
    Abstract: Disclosed are methods and systems for depositing layers comprising a titanium, aluminum, and carbon. The layers are formed onto a surface of a substrate. The deposition process comprises a cyclical deposition process. Exemplary structures in which the layers may be incorporated include field effect transistors, VNAND cells, metal-insulator-metal (MIM) structures, and DRAM capacitors.
    Type: Application
    Filed: March 3, 2022
    Publication date: September 8, 2022
    Inventors: Lifu Chen, Qi Xie, Charles Dezelah, Petro Deminskyi, Giuseppe Alessio Verni, Petri Raisanen, Eric James Shero
  • Publication number: 20220205083
    Abstract: The current disclosure relates to a composition for depositing group 13 metal-containing material on a substrate. The composition comprises a metal alkyl precursor, wherein the metal alkyl precursor comprises a group 13 metal atom and two different alkyl ligand types. The first ligand type is a branched C4 to C8 alkyl bonded to the group 13 metal atom through a carbon atom that is bonded to three carbon atoms, and the second ligand type is a linear C1 to C4 alkyl. The group 13 metal atom is bonded to two ligands of the first ligand type, and the ratio of first ligand type to second ligand type in the composition is about two to one. Further, the disclosure relates to methods of manufacture of compositions and their uses, as well as methods of depositing material on a substrate.
    Type: Application
    Filed: December 27, 2021
    Publication date: June 30, 2022
    Inventors: Charles Dezelah, Craig Wheaton, Qi Xie
  • Publication number: 20220195599
    Abstract: The current disclosure relates to methods of depositing transition metal on a substrate. The disclosure further relates to a transition metal layer, to a structure and to a device comprising a transition metal layer. In the method, transition metal is deposited on a substrate by a cyclical deposition process, and the method comprises providing a substrate in a reaction chamber, providing a transition metal precursor to the reaction chamber in a vapor phase and providing a reactant to the reaction chamber in a vapor phase to form transition metal on the substrate. The transition metal precursor comprises a transition metal from any of groups 4 to 6, and the reactant comprises a group 14 element selected from Si, Ge or Sn.
    Type: Application
    Filed: December 17, 2021
    Publication date: June 23, 2022
    Inventors: Charles Dezelah, Jan Willem Maes, Elina Färm, Saima Ali, Antti Niskanen
  • Publication number: 20220194963
    Abstract: Metal complexes including cyclopentadienyl ligands and methods of using such metal complexes to prepare metal-containing films are provided.
    Type: Application
    Filed: March 11, 2022
    Publication date: June 23, 2022
    Applicant: MERCK PATENT GMBH
    Inventors: Ming FANG, Joby ELDO, Charles DEZELAH, Daniel MOSER, Ravi KANJOLIA
  • Publication number: 20220189775
    Abstract: Methods and systems for depositing rare earth metal carbide containing layers on a surface of a substrate and structures and devices formed using the methods are disclosed. An exemplary method includes using a cyclical deposition process such as an atomic layer deposition process for depositing a rare earth metal carbide containing layer onto a surface of the substrate.
    Type: Application
    Filed: December 9, 2021
    Publication date: June 16, 2022
    Inventors: Maart van Druenen, Charles Dezelah, Qi Xie, Petro Deminskyi, Giuseppe Alessio Verni, Ren-Jie Chang, Lifu Chen
  • Publication number: 20220186364
    Abstract: Methods for depositing a molybdenum nitride film on a surface of a substrate are disclosed. The methods may include: providing a substrate into a reaction chamber; and depositing a molybdenum nitride film directly on the surface of the substrate by performing one or more unit deposition cycles of cyclical deposition process, wherein a unit deposition cycle may include, contacting the substrate with a first vapor phase reactant comprising a molybdenum halide precursor, and contacting the substrate with a second vapor phase reactant comprising a nitrogen precursor. Semiconductor device structures including a molybdenum nitride film are also disclosed.
    Type: Application
    Filed: March 7, 2022
    Publication date: June 16, 2022
    Inventors: Eric Christopher Stevens, Bhushan Zope, Shankar Swaminathan, Charles Dezelah, Qi Xie, Giuseppe Alessio Verni
  • Publication number: 20220181148
    Abstract: The current disclosure relates to a vapor deposition assembly for depositing silicon nitride on a substrate by a plasma-enhanced cyclic deposition process. The disclosure also relates to a method for depositing silicon nitride on a substrate by a plasma-enhanced cyclic deposition process. The method comprises providing a substrate in a reaction chamber, providing a vapor-phase silicon precursor according to the formula SiH3X, wherein X is iodine or bromine, into the reaction chamber, removing excess silicon precursor and possible reaction byproducts from the reaction chamber and providing a reactive species generated from a nitrogen-containing plasma into the reaction chamber to form silicon nitride on the substrate. The disclosure further relates to structure and devices formed by the method.
    Type: Application
    Filed: December 6, 2021
    Publication date: June 9, 2022
    Inventors: Charles Dezelah, Hideaki Fukuda, Viljami Pore
  • Publication number: 20220165575
    Abstract: Methods and systems for depositing threshold voltage shifting layers onto a surface of a substrate and structures and devices formed using the methods are disclosed. An exemplary method includes using a cyclical deposition process, depositing a threshold voltage shifting layer onto a surface of the substrate.
    Type: Application
    Filed: November 18, 2021
    Publication date: May 26, 2022
    Inventors: Qi Xie, Giuseppe Alessio Verni, Tatiana Ivanova, Perttu Sippola, Michael Eugene Givens, Eric Shero, Jiyeon Kim, Charles Dezelah, Petro Deminskyi, Ren-Jie Chang