Patents by Inventor Tianniu Chen

Tianniu Chen 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: 9537095
    Abstract: Precursors for use in depositing tellurium-containing films on substrates such as wafers or other microelectronic device substrates, as well as associated processes of making and using such precursors, and source packages of such precursors. The precursors are useful for deposition of Ge2Sb2Te5 chalcogenide thin films in the manufacture of nonvolatile Phase Change Memory (PCM), by deposition techniques such as chemical vapor deposition (CVD) and atomic layer deposition (ALD).
    Type: Grant
    Filed: July 16, 2014
    Date of Patent: January 3, 2017
    Assignee: Entegris, Inc.
    Inventors: Matthias Stender, Chongying Xu, Tianniu Chen, William Hunks, Philip S. H. Chen, Jeffrey F. Roeder, Thomas H. Baum
  • Publication number: 20160362804
    Abstract: Compositions and processes for leaching noble metals from materials comprising said noble metals. Advantageously, the halide-based composition is environmentally friendly and effectively removes noble metals at room temperature without the need for high pressures and electrodes.
    Type: Application
    Filed: February 23, 2015
    Publication date: December 15, 2016
    Inventors: Tianniu CHEN, Ping JIANG, Michael B. KORZENSKI
  • Patent number: 9472420
    Abstract: Aqueous compositions for stripping titanium nitride (TiN or TiNxOy) hard mask and removing etch residue are low pH aqueous composition comprising solvent, a weakly coordinating anion, amine, and at least two non-oxidizing trace metal ions. The aqueous compositions contain no non-ambient oxidizer, and are exposed to air. Bifluoride, or metal corrosion inhibitor may be added to the aqueous composition. Systems and processes use the aqueous compositions for stripping titanium nitride (TiN or TiNxOy) hard mask and removing titanium nitride (TiN or TiNxOy) etch residue.
    Type: Grant
    Filed: November 19, 2014
    Date of Patent: October 18, 2016
    Assignee: Air Products and Chemicals, Inc.
    Inventors: William Jack Casteel, Jr., Seiji Inaoka, Madhukar Bhaskara Rao, Brenda Faye Ross, Yi-Chia Lee, Wen Dar Liu, Tianniu Chen
  • Publication number: 20160289455
    Abstract: Treatment compositions and methods of treating the surface of a substrate by using the treatment composition, and a semiconductor or MEMS substrate having the treatment composition thereon.
    Type: Application
    Filed: March 29, 2016
    Publication date: October 6, 2016
    Applicant: Air Products and Chemicals, Inc.
    Inventors: Seiji Inaoka, William Jack Casteel, JR., Raymond Nicholas Vrtis, Kathleen Esther Theodorou, Tianniu Chen, Mark Richard Brown
  • Publication number: 20160293479
    Abstract: Formulations for stripping titanium nitride hard mask and removing titanium nitride etch residue comprise an amine salt buffer, a non-ambient oxidizer, and the remaining being liquid carrier includes water and non-water liquid carrier selected from the group consisting of dimethyl sulfone, lactic acid, glycol, and a polar aprotic solvent including but not limited to sulfolanes, sulfoxides, nitriles, formamides and pyrrolidones. The formulations have a pH <4, preferably <3, more preferably <2.5. The aqueous formulations having water as liquid carrier and semi-aqueous formulation having water and non-polar aprotic solvent(s) further contain acidic fluoride. The formulations offer high titanium nitride etch rates while provide excellent compatibility towards W, AlN, AlO, and low k dielectric materials. The formulations may comprise weakly coordinating anions, corrosion inhibitors, and surfactants.
    Type: Application
    Filed: March 22, 2016
    Publication date: October 6, 2016
    Applicant: Air Products and Chemicals, Inc.
    Inventors: William Jack Casteel, JR., Seiji Inaoka, Wen Dar Liu, Tianniu Chen
  • Publication number: 20160211137
    Abstract: Compositions, systems, and methods are described for implanting silicon and/or silicon ions in a substrate, involving generation of silicon and/or silicon ions from corresponding silicon precursor compositions, and implantation of the silicon and/or silicon ions in the substrate.
    Type: Application
    Filed: August 14, 2014
    Publication date: July 21, 2016
    Applicant: Entegris, Inc.
    Inventors: Ying Tang, Joseph D. Sweeney, Tianniu Chen, James J. Mayer, Richard S. Ray, Oleg Byl, Sharad N. Yedave, Robert Kaim
  • Publication number: 20160186105
    Abstract: A composition for cleaning integrated circuit substrates, the composition comprising: water; an oxidizer comprising an ammonium salt of an oxidizing species; a corrosion inhibitor comprising a primary alkylamine having the general formula: R?NH2, wherein R? is an alkyl group containing up to about 150 carbon atoms and will more often be an aliphatic alkyl group containing from about 4 to about 30 carbon atoms; optionally, a water-miscible organic solvent; optionally, an organic acid; optionally, a buffer speicies; optionally, a fluoride ion source; and optionally, a metal chelating agent.
    Type: Application
    Filed: December 21, 2015
    Publication date: June 30, 2016
    Applicant: Air Products and Chemicals, Inc.
    Inventors: Wen Dar Liu, Yi-Chia Lee, Tianniu Chen, William Jack Casteel, JR., Seiji Inaoka, Gene Everad Parris
  • Patent number: 9221114
    Abstract: Apparatuses and processes for recycling printed wire boards, wherein electronic components, precious metals and base metals may be collected for reuse and recycling. The apparatuses generally include a mechanical solder removal module and/or a thermal module, a chemical solder removal module, and a precious metal leaching module, wherein the modules are attached for continuous passage of the e-waste from module to module.
    Type: Grant
    Filed: December 13, 2012
    Date of Patent: December 29, 2015
    Assignee: ADVANCED TECHNOLOGY MATERIALS, INC.
    Inventors: Tianniu Chen, Michael B. Korzenski, Ping Jiang
  • Patent number: 9222018
    Abstract: Formulations for stripping titanium nitride (TiN or TiNxOy; x=0 to 1.3 and y=0 to 2) hard mask and removing titanium nitride etch residue are low pH (<4) comprise a weakly coordinating anion having negative charge highly dispersed throughout its structure, amine salt buffer, a non-oxidizing trace metal ion, a non-ambient trace oxidizer, and the remaining being solvent selected from the group consisting of water, sulfolane, dimethyl sulfide, lactic acid, glycol, and mixtures thereof. The formulations contain no hydrogen peroxide, and are exposed to air. Bifluoride, corrosion inhibitors, surfactants may be added to the formulations. Systems and processes use the formulations for stripping titanium nitride hard mask and removing titanium nitride etch residue.
    Type: Grant
    Filed: March 10, 2015
    Date of Patent: December 29, 2015
    Assignee: Air Products and Chemicals, Inc.
    Inventors: William Jack Casteel, Jr., Seiji Inaoka, Wen Dar Liu, Tianniu Chen
  • Patent number: 9219232
    Abstract: Antimony, germanium and tellurium precursors useful for CVD/ALD of corresponding metal-containing thin films are described, along with compositions including such precursors, methods of making such precursors, and films and microelectronic device products manufactured using such precursors, as well as corresponding manufacturing methods. The precursors of the invention are useful for forming germanium-antimony-tellurium (GST) films and microelectronic device products, such as phase change memory devices, including such films.
    Type: Grant
    Filed: April 11, 2014
    Date of Patent: December 22, 2015
    Assignee: ENTEGRIS, INC.
    Inventors: William Hunks, Tianniu Chen, Chongying Xu, Jeffrey F. Roeder, Thomas H. Baum, Matthias Stender, Philip S. H. Chen, Gregory T. Stauf, Bryan C. Hendrix
  • Publication number: 20150321279
    Abstract: Apparatuses and processes for recycling printed wire boards, wherein electronic components, precious metals and base metals may be collected for reuse and recycling. The apparatuses generally include a mechanical solder removal module and/or a thermal module, a chemical solder removal module, and a precious metal leaching module, wherein the modules are attached for continuous passage of the e-waste from module to module.
    Type: Application
    Filed: July 17, 2015
    Publication date: November 12, 2015
    Inventors: Tianniu CHEN, Michael B. KORZENSKI, Ping JIANG
  • Publication number: 20150322545
    Abstract: Apparatuses and processes for recycling printed wire boards, wherein electronic components, precious metals and base metals may be collected for reuse and recycling. The apparatuses generally include a mechanical solder removal module and/or a thermal module, a chemical solder removal module, and a precious metal leaching module, wherein the modules are attached for continuous passage of the e-waste from module to module.
    Type: Application
    Filed: July 20, 2015
    Publication date: November 12, 2015
    Inventors: Tianniu CHEN, Michael B. KORZENSKI, Ping JIANG
  • Publication number: 20150322540
    Abstract: Apparatuses and processes for recycling printed wire boards, wherein electronic components, precious metals and base metals may be collected for reuse and recycling. The apparatuses generally include a mechanical solder removal module and/or a thermal module, a chemical solder removal module, and a precious metal leaching module, wherein the modules are attached for continuous passage of the e-waste from module to module.
    Type: Application
    Filed: July 20, 2015
    Publication date: November 12, 2015
    Inventors: Tianniu CHEN, Michael B. KORZENSKI, Ping JIANG
  • Publication number: 20150315215
    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: July 14, 2015
    Publication date: November 5, 2015
    Applicant: Entegris, Inc.
    Inventors: Ziyun Wang, Chongying Xu, Bryan Hendrix, Jeffrey Roeder, Tianniu Chen, Thomas H. Baum
  • Patent number: 9102693
    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: Grant
    Filed: July 17, 2014
    Date of Patent: August 11, 2015
    Assignee: ENTEGRIS, INC.
    Inventors: Ziyun Wang, Chongying Xu, Bryan Hendrix, Jeffrey Roeder, Tianniu Chen, Thomas H. Baum
  • Patent number: 9074169
    Abstract: Compositions and methods of using said composition for removing polymeric materials from surfaces, preferably cleaning contaminant buildup from a lithography apparatus without total disassembly of said apparatus.
    Type: Grant
    Filed: January 26, 2010
    Date of Patent: July 7, 2015
    Assignee: ADVANCED TECHNOLOGY MATERIALS, INC.
    Inventors: Tianniu Chen, Steven Bilodeau, Karl E. Boggs, Ping Jiang, Michael B. Korzenski, George Mirth, Kim Y. Van Berkel
  • Publication number: 20150175943
    Abstract: Aqueous compositions for stripping titanium nitride(TiN or TiNxOy) hard mask and removing etch residue are low pH aqueous composition comprising solvent, a weakly coordinating anion, amine, and at least two non-oxidizing trace metal ions. The aqueous compositions contain no non-ambient oxidizer, and are exposed to air. Bifluoride, or metal corrosion inhibitor may be added to the aqueous composition. Systems and processes use the aqueous compositions for stripping titanium nitride(TiN or TiNxOy) hard mask and removing titanium nitride(TiN or TiNxOy) etch residue.
    Type: Application
    Filed: November 19, 2014
    Publication date: June 25, 2015
    Applicant: AIR PRODUCTS AND CHEMICALS, INC.
    Inventors: William Jack Casteel, JR., Seiji Inaoka, Madhukar Bhaskara Rao, Brenda Faye Ross, Yi-Chia Lee, Wen Dar Liu, Tianniu Chen
  • Publication number: 20150162213
    Abstract: Compositions and methods for substantially and efficiently removing NiPt (1-25%) material from microelectronic devices having same thereon. The compositions are substantially compatible with other materials present on the microelectronic device such as gate metal materials.
    Type: Application
    Filed: May 10, 2013
    Publication date: June 11, 2015
    Applicant: ADVANCED TECHNOLOGY MATERIALS, INC.
    Inventors: Tianniu Chen, Steven M. Bilodeau, Emanuel I. Cooper, Li-Min Chen, Jeffrey A. Barnes, Mark Biscotto, Karl E. Boggs, Rekha Rajaram
  • Patent number: 9034688
    Abstract: Precursors for use in depositing antimony-containing films on substrates such as wafers or other microelectronic device substrates, as well as associated processes of making and using such precursors, and source packages of such precursors. The precursors are useful for deposition of Ge2Sb2Te5 chalcogenide thin films in the manufacture of nonvolatile Phase Change Memory (PCM) or for the manufacturing of thermoelectric devices, by deposition techniques such as chemical vapor deposition (CVD) and atomic layer deposition (ALD).
    Type: Grant
    Filed: March 18, 2014
    Date of Patent: May 19, 2015
    Assignee: ENTEGRIS, INC.
    Inventors: Tianniu Chen, William Hunks, Philip S. H. Chen, Chongying Xu, Leah Maylott
  • Publication number: 20150050199
    Abstract: A leaching composition that substantially removes lead from solid materials and a method of using said composition. Preferably, the concentration of lead in the solid materials following processing is low enough that the solid materials can be reused and/or disposed of at minimal cost to the processor. Preferably, the solid materials comprise glass, such as cathode ray tube glass.
    Type: Application
    Filed: April 5, 2013
    Publication date: February 19, 2015
    Applicant: Entegris, Inc.
    Inventors: Michael B. Korzenski, Tianniu Chen, Ping Jiang