Patents by Inventor Ziyun Wang

Ziyun Wang 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: 20080160174
    Abstract: This invention relates to silicon precursor compositions for forming silicon-containing films by low temperature (e.g., <550° C.) chemical vapor deposition processes for fabrication of ULSI devices and device structures. Such silicon precursor compositions comprise at least a silane or disilane derivative that is substituted with at least one alkylhydrazine functional groups and is free of halogen substitutes.
    Type: Application
    Filed: January 24, 2008
    Publication date: July 3, 2008
    Applicant: ADVANCED TECHNOLOGY MATERIALS, INC.
    Inventors: Ziyun Wang, Chongying Xu, Thomas H. Baum
  • Publication number: 20080081106
    Abstract: Novel silicon precursors for low temperature deposition of silicon films are described herein. The disclosed precursors possess low vaporization temperatures, preferably less than about 500° C. In addition, embodiments of the silicon precursors incorporate a —Si—Y—Si— bond, where Y may comprise an amino group, a substituted or unsubstituted hydrocarbyl group, or oxygen. In an embodiment a silicon precursor has the formula: where Y is a hydrocarbyl group, a substituted hydrocarbyl group, oxygen, or an amino group; R1, R2, R3, and R4 are each independently a hydrogen group, a hydrocarbyl group, a substituted hydrocarbyl group, a heterohydrocarbyl group, wherein R1, R2, R3, and R4 may be the same or different from one another; X1, X2, X3, and X4 are each independently, a hydrogen group, a hydrocarbyl group, a substituted hydrocarbyl group, or a hydrazino group, wherein X1, X2, X3, and X4 may be the same or different from one another.
    Type: Application
    Filed: April 2, 2007
    Publication date: April 3, 2008
    Applicant: AIR LIQUIDE ELECTRONICS U.S. LP
    Inventors: Ziyun Wang, Ashutosh Misra, Ravi Laxman
  • Publication number: 20070155931
    Abstract: An analytical technique for the accurate and precise measurement of trace water in chemical reagents, comprising the steps of combining a chemical reagent comprising ?5 ppm water, with hexafluoroacetone (HFA), to form a sample mixture comprising at least the chemical reagent and a water derivative of hexafluoroacetone; and measuring the concentration of the water derivative of hexafluoroacetone by gas chromatography.
    Type: Application
    Filed: March 13, 2007
    Publication date: July 5, 2007
    Inventors: Alexander Borovik, Ziyun Wang, Chongying Xu, Thomas Baum
  • Patent number: 7189571
    Abstract: An analytical technique for the accurate and precise measurement of trace water in chemical reagents, comprising the steps of combining a chemical reagent comprising ?5 ppm water, with hexafluoroacetone (HFA), to form a sample mixture comprising at least the chemical reagent and a water derivative of hexafluoroacetone; and measuring the concentration of the water derivative of hexafluoroacetone by gas chromatography.
    Type: Grant
    Filed: March 27, 2002
    Date of Patent: March 13, 2007
    Assignee: Advanced Technology Materials, Inc.
    Inventors: Alexander S. Borovik, Ziyun Wang, Chongying Xu, Thomas H. Baum
  • Publication number: 20060235182
    Abstract: A process for reducing the level(s) of water and/or other impurities from cyclosiloxanes by either azeotropic distillation, or by contacting the cyclosiloxane compositions with an adsorbent bed material. The purified cyclosiloxane material is useful for forming low-dielectric constant thin films having dielectric constants of less than 3.0, more preferably 2.8 to 2.0.
    Type: Application
    Filed: June 14, 2006
    Publication date: October 19, 2006
    Inventors: Chongying Xu, Thomas Baum, Alexander Borovik, Ziyun Wang, James Lin, Scott Battle, Ravi Laxman
  • Patent number: 7108771
    Abstract: A process for reducing the level(s) of water and/or other impurities from cyclosiloxanes by either azeotropic distillation, or by contacting the cyclosiloxane compositions with an adsorbent bed material. The purified cyclosiloxane material is useful for forming low-dielectric constant thin films having dielectric constants of less than 3.0, more preferably 2.8 to 2.0.
    Type: Grant
    Filed: December 13, 2001
    Date of Patent: September 19, 2006
    Assignee: Advanced Technology Materials, Inc.
    Inventors: Chongying Xu, Thomas H. Baum, Alexander S. Borovik, Ziyun Wang, James T. Y. Lin, Scott Battle, Ravi K. Laxman
  • Patent number: 7084080
    Abstract: A method of synthesizing an aminosilane source reagent composition, by reacting an aminosilane precursor compound with an amine source reagent compound in a solvent medium comprising at least one activating solvent component, to yield an aminosilane source reagent composition having less than 1000 ppm halogen.
    Type: Grant
    Filed: March 29, 2002
    Date of Patent: August 1, 2006
    Assignee: Advanced Technology Materials, Inc.
    Inventors: Alexander S. Borovik, Ziyun Wang, Chongying Xu, Thomas H. Baum, Brian L. Benac
  • Publication number: 20060148271
    Abstract: A CVD Method of forming gate dielectric thin films on a substrate using metalloamide compounds of the formula M(NR1R2)x, wherein M is selected from the group consisting of: Zr, Hf, Y, La, Lanthanide series elements, Ta, Ti, Al; N is nitrogen; each of R1 and R2 is same or different and is independently selected from the group consisting of H, aryl, perfluoroaryl, C1-C8 alkyl, C1-C8 perfluoroalkyl, alkylsilyl and x is the oxidation state on metal M; and an aminosilane compound of the formula HxSi(NR1R2)4?x, wherein H is hydrogen; x is from 0 to 3; Si is silicon; N is nitrogen; each of R1 and R2 is same or different and is independently selected from the group consisting of H, aryl, perfluoroaryl, C1-C8 alkyl, and C1-C8 perfluoroalkyl. By comparison with the standard SiO2 gate dielectric materials, these gate dielectric materials provide low levels of carbon and halide impurity.
    Type: Application
    Filed: February 28, 2006
    Publication date: July 6, 2006
    Inventors: Alexander Borovik, Ziyun Wang, Chongying Xu, Thomas Baum, Brian Benac, Bryan Hendrix, Jeffrey Roeder
  • Publication number: 20060099831
    Abstract: A method of synthesizing an aminosilane source reagent composition, by reacting an aminosilane precursor compound with an amine source reagent compound in a solvent medium comprising at least one activating solvent component, to yield an aminosilane source reagent composition having less than 1000 ppm halogen.
    Type: Application
    Filed: December 12, 2005
    Publication date: May 11, 2006
    Inventors: Alexander Borovik, Ziyun Wang, Chongying Xu, Thomas Baum, Brian Benac
  • Publication number: 20050080285
    Abstract: This invention relates to silicon precursor compositions for forming silicon-containing films by low temperature (e.g., <550° C.) chemical vapor deposition processes for fabrication of ULSI devices and device structures. Such silicon precursor compositions comprise at least a silane or disilane derivative that is substituted with at least one alkylhydrazine functional groups and is free of halogen substitutes.
    Type: Application
    Filed: October 10, 2003
    Publication date: April 14, 2005
    Inventors: Ziyun Wang, Chongying Xu, Thomas Baum
  • Publication number: 20050080286
    Abstract: Silicon precursors for forming silicon-containing films in the manufacture of semiconductor devices, such as films including silicon carbonitride, silicon oxycarbonitride, and silicon nitride (Si3N4), and a method of depositing the silicon precursors on substrates using low temperature (e.g., <550° C.) chemical vapor deposition processes, for fabrication of ULSI devices and device structures.
    Type: Application
    Filed: June 17, 2004
    Publication date: April 14, 2005
    Inventors: Ziyun Wang, Chongying Xu, Bryan Hendrix, Jeffrey Roeder, Tianniu Chen, Thomas Baum
  • Patent number: 6767830
    Abstract: A volatile solid-source novel antimony precursor, Br2SbCH3, that may be utilized in semiconductor processing chambers for depositing antimony on a substrate by deposition methods, e.g., chemical vapor deposition, ion implantation, molecular beam epitaxy, diffusion and rapid thermal processing. The novel antimony compound of the invention is synthesized by combining tribromide antimony with trimethylantimony under heating conditions that form a Br2SbCH3 crystalline product.
    Type: Grant
    Filed: August 7, 2002
    Date of Patent: July 27, 2004
    Assignee: Advanced Technology Materials, Inc.
    Inventors: Ziyun Wang, Chongying Xu, Thomas H. Baum, Michael A. Todd, Niamh McMahon
  • Publication number: 20040138489
    Abstract: This invention relates to silicon precursor compositions for forming silicon-containing films by low temperature (e.g., <300° C.) chemical vapor deposition processes for fabrication of ULSI devices and device structures. Such silicon precursor compositions comprise at least one disilane derivative compound that is fully substituted with alkylamino and/or dialkylamino functional groups.
    Type: Application
    Filed: October 31, 2003
    Publication date: July 15, 2004
    Inventors: Ziyun Wang, Chongying Xu, Thomas H. Baum, Bryan Hendrix, Jeffrey F. Roeder
  • Publication number: 20040096582
    Abstract: Silicon precursors for forming silicon-containing films in the manufacture of semiconductor devices, such as low dielectric constant (k) thin films, high k gate silicates, low temperature silicon epitaxial films, and films containing silicon nitride (Si3N4), siliconoxynitride (SiOxNy) and/or silicon dioxide (SiO2). The precursors of the invention are amenable to use in low temperature (e.g., <500° C.) chemical vapor deposition processes, for fabrication of ULSI devices and device structures.
    Type: Application
    Filed: November 14, 2002
    Publication date: May 20, 2004
    Inventors: Ziyun Wang, Chongying Xu, Ravi K. Laxman, Thomas H. Baum, Bryan Hendrix, Jeffrey Roeder
  • Publication number: 20040029367
    Abstract: A volatile solid-source novel antimony precursor, Br2SbCH3, that may be utilized in semiconductor processing chambers for depositing antimony on a substrate by deposition methods, e.g., chemical vapor deposition, ion implantation, molecular beam epitaxy, diffusion and rapid thermal processing. The novel antimony compound of the invention is synthesized by combining tribromide antimony with trimethylantimony under heating conditions that form a Br2SbCH3 crystalline product.
    Type: Application
    Filed: August 7, 2002
    Publication date: February 12, 2004
    Inventors: Ziyun Wang, Chongying Xu, Thomas H. Baum, Michael A. Todd, Niamh McMahon
  • Patent number: 6639080
    Abstract: Copper pyrazolate precursor compositions useful for the formation of copper in semiconductor integrated circuits, e.g., interconnect metallization in semiconductor device structures, as an adhesive seed layer for plating, for the deposition of a thin-film recording head and for circuitization of packaging components. The copper pyrazolate precursor compositions include fluorinated and non-fluorinated pyrazolate copper (I) complexes and their Lewis base adducts. Such precursors are usefully employed for liquid delivery chemical vapor deposition of copper or copper-containing material on a substrate.
    Type: Grant
    Filed: February 1, 2002
    Date of Patent: October 28, 2003
    Assignee: Advanced Technology Materials, Inc.
    Inventors: Chongying Xu, Thomas H. Baum, Ziyun Wang
  • Patent number: 6623656
    Abstract: Chemical vapor deposition (CVD) precursor compositions for forming Zr/Hf doped gate dielectric, ferroelectric, or high dielectric constant (k) metal oxide thin films. The precursor composition in one embodiment comprises a metal precursor having a general formula M(&bgr;-diketonate)2(OR)2, wherein M is Zr or Hf, and R is t-butyl. The precursor composition may also comprise a solvent medium selected from the group consisting of ethers, glymes, tetraglymes, amines, polyamines, alcohols, glycols, aliphatic hydrocarbon solvents, aromatic hydrocarbon solvents, cyclic ethers, and compatible combinations of two or more of the foregoing.
    Type: Grant
    Filed: February 26, 2001
    Date of Patent: September 23, 2003
    Assignee: Advanced Technology Materials, Inc.
    Inventors: Thomas H. Baum, Chongying Xu, Witold Paw, Bryan C. Hendrix, Jeffrey F. Roeder, Ziyun Wang
  • Publication number: 20030116421
    Abstract: A process for reducing the level(s) of water and/or other impurities from cyclosiloxanes by either azeotropic distillation, or by contacting the cyclosiloxane compositions with an adsorbent bed material. The purified cyclosiloxane material is useful for forming low-dielectric constant thin films having dielectric constants of less than 3.0, more preferably 2.8 to 2.0.
    Type: Application
    Filed: December 13, 2001
    Publication date: June 26, 2003
    Inventors: Chongying Xu, Thomas H. Baum, Alexander S. Borovik, Ziyun Wang, James T.Y. Lin, Scott Battle, Ravi K. Laxman
  • Publication number: 20020180028
    Abstract: A method of synthesizing an aminosilane source reagent composition, by reacting an aminosilane precursor compound with an amine source reagent compound in a solvent medium comprising at least one activating solvent component, to yield an aminosilane source reagent composition having less than 1000 ppm halogen.
    Type: Application
    Filed: March 29, 2002
    Publication date: December 5, 2002
    Inventors: Alexander S. Borovik, Ziyun Wang, Chongying Xu, Thomas H. Baum, Brian L. Benac
  • Publication number: 20020132048
    Abstract: Chemical vapor deposition (CVD) precursor compositions for forming Zr/Hf doped gate dielectric, ferroelectric, or high dielectric constant (k) metal oxide thin films. The precursor composition in one embodiment comprises a metal precursor having a general formula M(&bgr;-diketonate)2(OR)2, wherein M is Zr or Hf, and R is t-butyl. The precursor composition may also comprise a solvent medium selected from the group consisting of ethers, glymes, tetraglymes, amines, polyamines, alcohols, glycols, aliphatic hydrocarbon solvents, aromatic hydrocarbon solvents, cyclic ethers, and compatible combinations of two or more of the foregoing.
    Type: Application
    Filed: February 26, 2001
    Publication date: September 19, 2002
    Inventors: Thomas H. Baum, Chongying Xu, Witold Paw, Bryan C. Hendrix, Jeffrey F. Roeder, Ziyun Wang