Patents by Inventor Xinjian Lei

Xinjian Lei 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: 11104990
    Abstract: Described herein are conformal films and methods for forming a conformal Group 4, 5, 6, 13 metal or metalloid doped silicon nitride dielectric film. In one aspect, there is provided a method of forming an aluminum silicon nitride film comprising the steps of: providing a substrate in a reactor; introducing into the reactor an at least one metal precursor which reacts on at least a portion of the surface of the substrate to provide a chemisorbed layer; purging the reactor with a purge gas; introducing into the reactor an organoaminosilane precursors to react on at least a portion of the surface of the substrate to provide a chemisorbed layer; introducing a plasma comprising nitrogen and an inert gas into the reactor to react with at least a portion of the chemisorbed layer and provide at least one reactive site wherein the plasma is generated at a power density ranging from about 0.01 to about 1.
    Type: Grant
    Filed: September 9, 2016
    Date of Patent: August 31, 2021
    Assignee: VERSUM MATERIALS US, LLC
    Inventors: Xinjian Lei, Moo-Sung Kim, Jianheng Li
  • Patent number: 11098069
    Abstract: Organoamino-functionalized cyclic oligosiloxanes, which have at least two silicon and two oxygen atoms as well as an organoamino group and methods for making the organoamino-functionalized cyclic oligosiloxanes are disclosed. Methods for depositing silicon and oxygen containing films using the organoamino-functionalized cyclic oligosiloxanes are also disclosed.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: August 24, 2021
    Assignee: Versum Materials US, LLC
    Inventors: Matthew R. MacDonald, Xinjian Lei, Manchao Xiao, Meiliang Wang
  • Patent number: 11081337
    Abstract: In one aspect, the invention is formulations comprising both organoaminohafnium and organoaminosilane precursors that allows anchoring both silicon-containing fragments and hafnium-containing fragments onto a given surface having hydroxyl groups to deposit silicon doped hafnium oxide having a silicon doping level ranging from 0.5 to 8 mol %, preferably 2 to 6 mol %, most preferably 3 to 5 mol %, suitable as ferroelectric material. In another aspect, the invention is methods and systems for depositing the silicon doped hafnium oxide films using the formulations.
    Type: Grant
    Filed: March 7, 2018
    Date of Patent: August 3, 2021
    Assignee: Versum Materials U.S., LLC
    Inventors: Xinjian Lei, Matthew R MacDonald, Moo-Sung Kim, Se-Won Lee
  • Patent number: 11078569
    Abstract: Described herein are compositions and methods for forming silicon and oxygen containing films. In one aspect, the film is deposited from at least one precursor, wherein the at least one precursor selected from the group consisting of Formulae A and B: wherein R, R1, and R2-8 are as defined herein.
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: August 3, 2021
    Assignee: VERSUM MATERIALS US, LLC
    Inventors: Xinjian Lei, Matthew R. MacDonald, Meiliang Wang
  • Patent number: 11043374
    Abstract: A method and composition for producing a low k dielectric film via plasma enhanced chemical vapor deposition comprise the steps of: providing a substrate within a reaction chamber; introducing into the reaction chamber gaseous reagents including at least one structure-forming precursors comprising a silacycloalkane compound, an oxygen source, and optionally a porogen; applying energy to the gaseous reagents in the reaction chamber to induce reaction of the gaseous reagents to deposit a low k dielectric film having dielectric constant of 3.2 or less. In certain embodiments, the structure-forming precursor further comprises a hardening additive.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: June 22, 2021
    Assignee: Versum Materials US, LLC
    Inventors: Manchao Xiao, Robert Gordon Ridgeway, Daniel P. Spence, Xinjian Lei, Raymond Nicholas Vrtis
  • Patent number: 11035039
    Abstract: Described herein are compositions, silicon nitride films and methods for forming silicon nitride films using at least on cyclodisilazane precursor. In one aspect, there is provided a method of forming a silicon nitride film comprising the steps of: providing a substrate in a reactor; introducing into the reactor an at least one cyclodisilazane comprising a hydrocarbon leaving group and two Si—H groups wherein the at least one cyclodisilazane reacts on at least a portion of the surface of the substrate to provide a chemisorbed layer; purging the reactor with a purge gas; introducing a plasma comprising nitrogen and an inert gas into the reactor to react with at least a portion of the chemisorbed layer and provide at least one reactive site wherein the plasma is generated at a power density ranging from about 0.01 to about 1.5 W/cm2.
    Type: Grant
    Filed: July 28, 2016
    Date of Patent: June 15, 2021
    Assignee: VERSUM MATERIALS US, LLC
    Inventors: Xinjian Lei, Moo-Sung Kim, Manchao Xiao
  • Patent number: 11017998
    Abstract: A method for depositing a silicon-containing film, the method comprising: placing a substrate comprising at least one surface feature into a flowable CVD reactor which is at a temperature of from about ?20° C. to about 100° C.; increasing pressure in the reactor to at least 10 torr; and introducing into the reactor at least one silicon-containing compound having at least one acetoxy group to at least partially react the at least one silicon-containing compound to form a flowable liquid oligomer wherein the flowable liquid oligomer forms a silicon oxide coating on the substrate and at least partially fills at least a portion of the at least one surface feature. Once cured, the silicon oxide coating has a low k and excellent mechanical properties.
    Type: Grant
    Filed: June 11, 2018
    Date of Patent: May 25, 2021
    Assignee: Versum Materials US, LLC
    Inventors: Jianheng Li, Raymond Nicholas Vrtis, Robert Gordon Ridgeway, Manchao Xiao, Xinjian Lei
  • Publication number: 20210140040
    Abstract: Described herein are compositions and methods using same for forming a silicon-containing film such as without limitation a silicon oxide, silicon nitride, silicon oxynitride, a carbon-doped silicon nitride, or a carbon-doped silicon oxide film on at least a surface of a substrate having a surface feature. In one aspect, the silicon-containing films are deposited using a compound having Formula I or II described herein.
    Type: Application
    Filed: October 30, 2020
    Publication date: May 13, 2021
    Applicant: Versum Materials US, LLC
    Inventors: JIANHENG LI, XINJIAN LEI, ROBERT G. RIDGEWAY, RAYMOND N. VRTIS, MANCHAO XIAO, RICHARD HO
  • Patent number: 10991571
    Abstract: Atomic layer deposition (ALD) process formation of silicon oxide with temperature>500° C. is disclosed.
    Type: Grant
    Filed: January 23, 2019
    Date of Patent: April 27, 2021
    Assignee: Versum Materials US, LLC
    Inventors: Haripin Chandra, Meiliang Wang, Manchao Xiao, Xinjian Lei, Ronald Martin Pearlstein, Mark Leonard O'Neill
  • Patent number: 10985010
    Abstract: A composition and method for using the composition in the fabrication of an electronic device are disclosed. Compounds, compositions and methods for depositing a high quality silicon nitride or carbon doped silicon nitride.
    Type: Grant
    Filed: August 27, 2019
    Date of Patent: April 20, 2021
    Assignee: Versum Materials US, LLC
    Inventors: Haripin Chandra, Xinjian Lei, Moo-Sung Kim
  • Patent number: 10985013
    Abstract: Described herein is an apparatus comprising a plurality of silicon-containing layers wherein the silicon-containing layers are selected from a silicon oxide and a silicon nitride layer or film. Also described herein are methods for forming the apparatus to be used, for example, as 3D vertical NAND flash memory stacks. In one particular aspect or the apparatus, the silicon oxide layer comprises slightly compressive stress and good thermal stability. In this or other aspects of the apparatus, the silicon nitride layer comprises slightly tensile stress and less than 300 MPa stress change after up to about 800° C. thermal treatment. In this or other aspects of the apparatus, the silicon nitride layer etches much faster than the silicon oxide layer in hot H3PO4, showing good etch selectivity.
    Type: Grant
    Filed: June 4, 2019
    Date of Patent: April 20, 2021
    Assignee: Versum Materials US, LLC
    Inventors: Jianheng Li, Robert G. Ridgeway, Xinjian Lei, Raymond N. Vrtis, Bing Han, Madhukar B. Rao
  • Publication number: 20210043446
    Abstract: A method for depositing a silicon-containing film, the method comprising: placing a substrate comprising at least one surface feature into a flowable CVD reactor which is at a temperature of from about ?20° C. to about 100° C.; increasing pressure in the reactor to at least 10 torr; and introducing into the reactor at least one silicon-containing compound having at least one acetoxy group to at least partially react the at least one silicon-containing compound to form a flowable liquid oligomer wherein the flowable liquid oligomer forms a silicon oxide coating on the substrate and at least partially fills at least a portion of the at least one surface feature. Once cured, the silicon oxide coating has a low k and excellent mechanical properties.
    Type: Application
    Filed: October 29, 2020
    Publication date: February 11, 2021
    Applicant: Versum Materials US, LLC
    Inventors: Jianheng Li, Raymond Nicholas Vrtis, Robert Gordon Ridgeway, Manchao Xiao, Xinjian Lei
  • Patent number: 10914001
    Abstract: A composition comprising dihydropyrazinyl anions that can be coordinated as 6 electron ligands to a broad range of different metals to yield volatile metal complexes for ALD and CVD depositions are described herein. Also described herein are undeprotonated dihydropyrazines that can coordinate to metals as stabilizing neutral ligands. In one embodiment, the composition is used for the direct liquid injection delivery of the metal dihydropyrazinyl complex precursor to the chamber of an ALD or CVD chamber for the deposition of metal-containing thin films such as, for example, ruthenium or cobalt metal films.
    Type: Grant
    Filed: May 8, 2019
    Date of Patent: February 9, 2021
    Assignee: Versum Materials US, LLC
    Inventors: John Anthony Thomas Norman, Sergei Vladimirovich Ivanov, Xinjian Lei
  • Patent number: 10899500
    Abstract: Described herein is an FCVD process for depositing a silicon-containing film from at least one alkoxysilylamine precursor having the following Formulae A and B: wherein R1 and R4 are independently selected from a linear or branched C1 to C10 alkyl group, a C3 to C12 alkenyl group, a C3 to C12 alkynyl group, a C4 to C10 cyclic alkyl group, and a C6 to C10 aryl group and wherein R2, R3, R4, R5, and R6 are independently selected from the group consisting of hydrogen, a linear or branched C1 to C10 alkyl group, a C2 to C12 alkenyl group, a C2 to C12 alkynyl group, a C4 to C10 cyclic alkyl, a C6 to C10 aryl group, and a linear or branched C1 to C10 alkoxy group.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: January 26, 2021
    Assignee: Versum Materials US, LLC
    Inventors: Manchao Xiao, Ronald Martin Pearlstein, Richard Ho, Daniel P. Spence, Xinjian Lei
  • Publication number: 20210017339
    Abstract: Amino-functionalized linear and cyclic oligosiloxanes, which have at least two silicon and two oxygen atoms as well as an organoamino group and methods for making the oligosiloxanes are disclosed. Methods for depositing silicon and oxygen containing films using the organoamino-functionalized linear and cyclic oligosiloxanes are also disclosed.
    Type: Application
    Filed: September 29, 2020
    Publication date: January 21, 2021
    Applicant: Versum Materials US, LLC
    Inventors: Manchao Xiao, Matthew R. MacDonald, Xinjian Lei, Meiliang Wang
  • Publication number: 20200365401
    Abstract: Described herein are boron-containing precursor compounds, and compositions and methods comprising same, for forming boron-containing films. In one aspect, the film is deposited from at least one precursor having the following Formula I or II described herein.
    Type: Application
    Filed: July 31, 2020
    Publication date: November 19, 2020
    Applicant: Versum Materials US, LLC
    Inventors: Xinjian Lei, Moo-Sung Kim
  • Publication number: 20200354386
    Abstract: A method and composition for producing a porous low k dielectric film via chemical vapor deposition is provided. In one aspect, the method comprises the steps of: providing a substrate within a reaction chamber; introducing into the reaction chamber gaseous reagents including at least one structure-forming precursor comprising a alkoxysilacyclic or acyloxysilacyclic compound with or without a porogen; applying energy to the gaseous reagents in the reaction chamber to induce reaction of the gaseous reagents to deposit a preliminary film on the substrate, wherein the preliminary film contains the porogen, and the preliminary film is deposited; and removing from the preliminary film at least a portion of the porogen contained therein and provide the film with pores and a dielectric constant of 3.2 or less. In certain embodiments, the structure-forming precursor further comprises a hardening additive.
    Type: Application
    Filed: August 29, 2018
    Publication date: November 12, 2020
    Inventors: Robert Gordon Ridgeway, Raymond Nicholas Vrtis, Xinjian Lei, Jennifer Lynn Anne Achtyl, William Robert Entley
  • Patent number: 10822458
    Abstract: Amino-functionalized linear and cyclic oligosiloxanes, which have at least two silicon and two oxygen atoms as well as an organoamino group and methods for making the oligosiloxanes are disclosed. Methods for depositing silicon and oxygen containing films using the organoamino-functionalized linear and cyclic oligosiloxanes are also disclosed.
    Type: Grant
    Filed: January 30, 2018
    Date of Patent: November 3, 2020
    Assignee: Versum Materials US, LLC
    Inventors: Manchao Xiao, Matthew R. MacDonald, Xinjian Lei, Meiliang Wang
  • Publication number: 20200308416
    Abstract: Described herein are compositions and methods for forming silicon oxide films. In one aspect, the film is deposited from at least one silicon precursor compound, wherein the at least one silicon precursor compound is selected from the following Formulae A and B: as defined herein.
    Type: Application
    Filed: June 15, 2020
    Publication date: October 1, 2020
    Applicant: Versum Materials US, LLC
    Inventors: Xinjian Lei, Meiliang Wang, Matthew R. MacDonald, Richard Ho, Manchao Xiao, Suresh Kalpatu Rajaraman
  • Patent number: 10763103
    Abstract: Described herein are boron-containing precursor compounds, and compositions and methods comprising same, for forming boron-containing films. In one aspect, the film is deposited from at least one precursor having the following Formula I or II described herein.
    Type: Grant
    Filed: March 24, 2016
    Date of Patent: September 1, 2020
    Assignee: Versum Materials US, LLC
    Inventors: Xinjian Lei, Moo-Sung Kim