Patents by Inventor Sang-Ho Yu

Sang-Ho Yu 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: 8747556
    Abstract: Embodiments of the invention provide apparatuses and methods for atomic layer deposition (ALD), such as plasma-enhanced ALD (PE-ALD). In some embodiments, a PE-ALD chamber is provided which includes a chamber lid assembly coupled with a chamber body having a substrate support therein. In one embodiment, the chamber lid assembly has an inlet manifold assembly containing an annular channel encompassing a centralized channel, wherein the centralized channel extends through the inlet manifold assembly, and the inlet manifold assembly further contains injection holes extending from the annular channel, through a sidewall of the centralized channel, and to the centralized channel.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: June 10, 2014
    Assignee: Applied Materials, Inc.
    Inventors: Hyman W. H. Lam, Bo Zheng, Hua Ai, Michael Jackson, Xiaoxiong Yuan, Hougong Wang, Salvador P. Umotoy, Sang Ho Yu
  • Publication number: 20140134351
    Abstract: Methods for depositing ruthenium by a PECVD process are described herein. Methods for depositing ruthenium can include positioning a substrate in a processing chamber, the substrate having a barrier layer formed thereon, heating and maintaining the substrate at a first temperature, flowing a first deposition gas into a processing chamber, the first deposition gas comprising a ruthenium containing precursor, generating a plasma from the first deposition gas to deposit a first ruthenium layer over the barrier layer, flowing a second deposition gas into the processing chamber to deposit a second ruthenium layer over the first ruthenium layer, the second deposition gas comprising a ruthenium containing precursor, depositing a copper seed layer over the second ruthenium layer and annealing the substrate at a second temperature.
    Type: Application
    Filed: August 15, 2013
    Publication date: May 15, 2014
    Applicant: Applied Materials, Inc.
    Inventors: Tae Hong Ha, Sang Ho Yu, Kiejin Park
  • Publication number: 20140120712
    Abstract: Embodiments provide methods for depositing metal-containing materials. The methods include deposition processes that form metal, metal carbide, metal silicide, metal nitride, and metal carbide derivatives by a vapor deposition process, including thermal decomposition, CVD, pulsed-CVD, or ALD. A method for processing a substrate is provided which includes depositing a dielectric material forming a feature definition in the dielectric material, depositing a work function material conformally on the sidewalls and bottom of the feature definition, and depositing a metal gate fill material on the work function material to fill the feature definition, wherein the work function material is deposited by reacting at least one metal-halide precursor having the formula MXY, wherein M is tantalum, hafnium, titanium, and lanthanum, X is a halide selected from the group of fluorine, chlorine, bromine, or iodine, and y is from 3 to 5.
    Type: Application
    Filed: January 3, 2014
    Publication date: May 1, 2014
    Applicant: APPLIED MATERIALS, INC.
    Inventors: Seshadri GANGULI, Srinivas GANDIKOTA, Yu LEI, Xinliang LU, Sang Ho YU, Hoon KIM, Paul F. MA, Mei CHANG, Maitreyee MAHAJANI, Patricia M. LIU
  • Publication number: 20140106083
    Abstract: A method for selectively controlling deposition rate of a catalytic material during a catalytic bulk CVD deposition is disclosed herein. The method can include positioning a substrate in a processing chamber including both surface regions and gap regions, depositing a first nucleation layer comprising tungsten conformally over an exposed surface of the substrate, treating at least a portion of the first nucleation layer with activated nitrogen, wherein the activated nitrogen is deposited preferentially on the surface regions, reacting a first deposition gas comprising tungsten halide and hydrogen-containing gas to deposit a tungsten fill layer preferentially in gap regions of the substrate, reacting a nucleation gas comprising a tungsten halide to form a second nucleation layer, and reacting a second deposition gas comprising tungsten halide and a hydrogen-containing gas to deposit a tungsten field layer.
    Type: Application
    Filed: August 15, 2013
    Publication date: April 17, 2014
    Applicant: Applied Materials, Inc.
    Inventors: KAI WU, Kiejin Park, Sang Ho Yu, Sang-Hyeob Lee, Kazuya Daito, Joshua Collins, Benjamin C. Wang
  • Patent number: 8654155
    Abstract: Disclosed is a display device including a first storage unit having driving data for driving a display panel and a first check SUM data on the driving data stored therein, a second storage unit for retrieving the driving data and the first check SUM data from the first storage unit and storing the driving data and the check SUM data in response to the instruction of a ROM interface, and a data error detection/correction unit generating a second check SUM data with reference to the driving data stored in the second storage unit.
    Type: Grant
    Filed: July 15, 2009
    Date of Patent: February 18, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Sang-Ho Yu, Kyoung-Don Woo, Young-Jun Hong
  • Patent number: 8642468
    Abstract: Embodiments of the invention generally provide methods for depositing metal-containing materials and compositions thereof. The methods include deposition processes that form metal, metal carbide, metal silicide, metal nitride, and metal carbide derivatives by a vapor deposition process, including thermal decomposition, CVD, pulsed-CVD, or ALD.
    Type: Grant
    Filed: April 25, 2011
    Date of Patent: February 4, 2014
    Assignee: Applied Materials, Inc.
    Inventors: Seshadri Ganguli, Srinivas Gandikota, Yu Lei, Xinliang Lu, Sang Ho Yu, Hoon Kim, Paul F. Ma, Mei Chang, Maitreyee Mahajani, Patricia M. Liu
  • Patent number: 8637390
    Abstract: Metal gate structures and methods for forming thereof are provided herein. In some embodiments, a method for forming a metal gate structure on a substrate having a feature formed in a high k dielectric layer may include depositing a first layer within the feature atop the dielectric layer; depositing a second layer comprising cobalt or nickel within the feature atop the first layer; and depositing a third layer comprising a metal within the feature atop the second layer to fill the feature, wherein at least one of the first or second layers forms a wetting layer to form a nucleation layer for a subsequently deposited layer, wherein one of the first, second, or third layers forms a work function layer, and wherein the third layer forms a gate electrode.
    Type: Grant
    Filed: May 26, 2011
    Date of Patent: January 28, 2014
    Assignee: Applied Materials, Inc.
    Inventors: Seshadri Ganguli, Sang Ho Yu, Sang-Hyeob Lee, Hyoung-Chan Ha, Wei Ti Lee, Hoon Kim, Srinivas Gandikota, Yu Lei, Kevin Moraes, Xianmin Tang
  • Patent number: 8586479
    Abstract: Methods for forming a contact metal layer in a contact structure in semiconductor devices are provided in the present invention. In one embodiment, a method for depositing a contact metal layer for forming a contact structure in a semiconductor device includes pulsing a deposition precursor gas mixture to a surface of a substrate disposed in a metal deposition processing chamber, pulsing a purge gas mixture to an edge of the substrate, wherein the purge gas mixture includes at least a hydrogen containing gas and an inert gas, and forming a contact metal layer on the substrate from the first deposition precursor gas mixture.
    Type: Grant
    Filed: January 23, 2012
    Date of Patent: November 19, 2013
    Assignee: Applied Materials, Inc.
    Inventors: Xinyu Fu, Srinivas Gandikota, Sang Ho Yu, Kavita Shah, Yu Lei
  • Patent number: 8563424
    Abstract: Methods for forming cobalt silicide are provided. One method for forming a cobalt silicide material includes exposing a substrate having a silicon-containing material to either a wet etch solution or a pre-clean plasma during a first step and then to a hydrogen plasma during a second step of a pre-clean process. The method further includes depositing a cobalt metal layer on the silicon-containing material by a CVD process, heating the substrate to form a first cobalt silicide layer comprising CoSi at the interface of the cobalt metal layer and the silicon-containing material during a first annealing process, removing any unreacted cobalt metal from the substrate during an etch process, and heating the substrate to form a second cobalt silicide layer comprising CoSi2 during a second annealing process.
    Type: Grant
    Filed: April 26, 2012
    Date of Patent: October 22, 2013
    Assignee: Applied Materials, Inc.
    Inventors: Seshadri Ganguli, Sang-Ho Yu, See-Eng Phan, Mei Chang, Amit Khandelwal, Hyoung-Chan Ha
  • Publication number: 20130260555
    Abstract: Methods for depositing a contact metal layer in contact structures of a semiconductor device are provided. In one embodiment, a method for depositing a contact metal layer for forming a contact structure in a semiconductor device is provided. The method comprises performing a cyclic metal deposition process to deposit a contact metal layer on a substrate and annealing the contact metal layer disposed on the substrate. The cyclic metal deposition process comprises exposing the substrate to a deposition precursor gas mixture to deposit a portion of the contact metal layer on the substrate, exposing the portion of the contact metal layer to a plasma treatment process, and repeating the exposing the substrate to a deposition precursor gas mixture and exposing the portion of the contact metal layer to a plasma treatment process until a predetermined thickness of the contact metal layer is achieved.
    Type: Application
    Filed: March 6, 2013
    Publication date: October 3, 2013
    Inventors: Bhushan N. ZOPE, Avgerinos V. GELATOS, Bo ZHENG, Yu LEI, Xinyu FU, Srinivas GANDIKOTA, Sang-Ho YU, Mathew ABRAHAM
  • Patent number: 8536778
    Abstract: An organic electroluminescent device including a switching element and a driving element connected to the switching element on a substrate including a pixel region, a cathode connected to the driving element, in which the cathode includes molybdenum (Mo), an emitting layer on the cathode, and an anode on the emitting layer.
    Type: Grant
    Filed: March 4, 2011
    Date of Patent: September 17, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Jung-Soo Heo, Jae-Hee Park, Sang-Ho Yu, Kyung-Min Park, Sung-Hoon Choi, Seok-Jong Lee
  • Publication number: 20130189840
    Abstract: Methods for forming a contact metal layer in a contact structure in semiconductor devices are provided in the present invention. In one embodiment, a method for depositing a contact metal layer for forming a contact structure in a semiconductor device includes pulsing a deposition precursor gas mixture to a surface of a substrate disposed in a metal deposition processing chamber, pulsing a purge gas mixture to an edge of the substrate, wherein the purge gas mixture includes at least a hydrogen containing gas and an inert gas, and forming a contact metal layer on the substrate from the first deposition precursor gas mixture.
    Type: Application
    Filed: January 23, 2012
    Publication date: July 25, 2013
    Applicant: APPLIED MATERIALS, INC.
    Inventors: Xinyu Fu, Srinivas Gandikota, Sang Ho Yu, Kavita Shah, Yu Lei
  • Publication number: 20130146468
    Abstract: Methods for depositing ruthenium-containing films are disclosed herein. In some embodiments, a method of depositing a ruthenium-containing film on a substrate may include depositing a ruthenium-containing film on a substrate using a ruthenium-containing precursor, the deposited ruthenium-containing film having carbon incorporated therein; and exposing the deposited ruthenium-containing layer to a hydrogen-containing gas to remove at least some of the carbon from the deposited ruthenium-containing film. In some embodiments, the hydrogen-containing gas exposed ruthenium-containing film may be subsequently exposed to an oxygen-containing gas to at least one of remove at least some carbon from or add oxygen to the ruthenium-containing film. In some embodiments, the deposition and exposure to the hydrogen-containing gas and optionally, the oxygen-containing gas may be repeated to deposit the ruthenium-containing film to a desired thickness.
    Type: Application
    Filed: December 8, 2011
    Publication date: June 13, 2013
    Applicant: APPLIED MATERIALS, INC.
    Inventors: HOON KIM, SANG HYEOB LEE, WEI TI LEE, SESHADRI GANGULI, HYOUNG-CHAN HA, SANG HO YU
  • Publication number: 20130008984
    Abstract: Embodiments of the invention provide apparatuses and methods for atomic layer deposition (ALD), such as plasma-enhanced ALD (PE-ALD). In some embodiments, a PE-ALD chamber is provided which includes a chamber lid assembly coupled with a chamber body having a substrate support therein. In one embodiment, the chamber lid assembly has an inlet manifold assembly containing an annular channel encompassing a centralized channel, wherein the centralized channel extends through the inlet manifold assembly, and the inlet manifold assembly further contains injection holes extending from the annular channel, through a sidewall of the centralized channel, and to the centralized channel.
    Type: Application
    Filed: September 14, 2012
    Publication date: January 10, 2013
    Applicant: APPLIED MATERIALS, INC.
    Inventors: Hyman Lam, Bo Zheng, Hua Ai, Michael Jackson, Xiaoxiong (John) Yuan, Hou Gong Wang, Salvador P. Umotoy, Sang Ho Yu
  • Patent number: 8291857
    Abstract: Embodiments of the invention provide apparatuses and methods for atomic layer deposition (ALD), such as plasma-enhanced ALD (PE-ALD). In some embodiments, a PE-ALD chamber is provided which includes a chamber lid assembly coupled with a chamber body having a substrate support therein. In one embodiment, the chamber lid assembly has an inlet manifold assembly containing an annular channel encompassing a centralized channel, wherein the centralized channel extends through the inlet manifold assembly, and the inlet manifold assembly further contains injection holes extending from the annular channel, through a sidewall of the centralized channel, and to the centralized channel.
    Type: Grant
    Filed: June 30, 2009
    Date of Patent: October 23, 2012
    Assignee: Applied Materials, Inc.
    Inventors: Hyman Lam, Bo Zheng, Hua Ai, Michael Jackson, Xiaoxiong (John) Yuan, Hou Gong Wang, Salvador P. Umotoy, Sang Ho Yu
  • Patent number: 8293015
    Abstract: Embodiments of the invention provide apparatuses and methods for atomic layer deposition (ALD), such as plasma-enhanced ALD (PE-ALD). In some embodiments, a PE-ALD chamber is provided which includes a chamber lid assembly coupled with a chamber body having a substrate support therein. In one embodiment, the chamber lid assembly has an inlet manifold assembly containing an annular channel encompassing a centralized channel, wherein the centralized channel extends through the inlet manifold assembly, and the inlet manifold assembly further contains injection holes extending from the annular channel, through a sidewall of the centralized channel, and to the centralized channel.
    Type: Grant
    Filed: September 14, 2011
    Date of Patent: October 23, 2012
    Assignee: Applied Materials, Inc.
    Inventors: Hyman W. H. Lam, Bo Zheng, Hua Ai, Michael Jackson, Xiaoxiong Yuan, Hougong Wang, Salvador P. Umotoy, Sang Ho Yu
  • Publication number: 20120264291
    Abstract: Embodiments of the invention described herein generally provide methods and apparatuses for forming cobalt silicide layers, metallic cobalt layers, and other cobalt-containing materials. In one embodiment, a method for forming a cobalt silicide containing material on a substrate is provided which includes exposing a substrate to at least one preclean process to expose a silicon-containing surface, depositing a cobalt silicide material on the silicon-containing surface, depositing a metallic cobalt material on the cobalt silicide material, and depositing a metallic contact material on the substrate. In another embodiment, a method includes exposing a substrate to at least one preclean process to expose a silicon-containing surface, depositing a cobalt silicide material on the silicon-containing surface, expose the substrate to an annealing process, depositing a barrier material on the cobalt silicide material, and depositing a metallic contact material on the barrier material.
    Type: Application
    Filed: April 20, 2012
    Publication date: October 18, 2012
    Applicant: Applied Materials, Inc.
    Inventors: Seshadri Ganguli, Schubert S. Chu, Mei Chang, Sang-Ho Yu, Kevin Moraes, See-Eng Phan
  • Patent number: 8284124
    Abstract: An organic electroluminescent display device includes an organic light-emitting diode, a first transistor outputting a data voltage by an nth scan signal (n is a natural number), a second transistor providing a current to the organic light-emitting by the data voltage, a capacitor storing the data voltage, and a third transistor supplying the second transistor and the capacitor with a pre-charge voltage by an (n?1)th scan signal, the pre-charge voltage having an opposite polarity to the data voltage.
    Type: Grant
    Filed: December 28, 2006
    Date of Patent: October 9, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Jin-Hyoung Kim, In-Hwan Kim, Seung-Chan Byun, Sang-Ho Yu
  • Publication number: 20120231626
    Abstract: The invention provides a method of forming a film stack on a substrate, comprising performing a silicon containing gas soak process to form a silicon containing layer over the substrate, reacting with the silicon containing layer to form a tungsten silicide layer on the substrate, depositing a tungsten nitride layer on the substrate, subjecting the substrate to a nitridation treatment using active nitrogen species from a remote plasma, and depositing a conductive bulk layer directly on the tungsten nitride layer.
    Type: Application
    Filed: March 8, 2012
    Publication date: September 13, 2012
    Applicant: APPLIED MATERIALS, INC.
    Inventors: SANG-HYEOB LEE, Sang Ho Yu, Kai Wu
  • Publication number: 20120214303
    Abstract: Embodiments of the invention generally provide methods for forming cobalt silicide. In one embodiment, a method for forming a cobalt silicide material includes exposing a substrate having a silicon-containing material to either a wet etch solution or a pre-clean plasma during a first step and then to a hydrogen plasma during a second step of a pre-clean process. The method further includes depositing a cobalt metal layer on the silicon-containing material by a CVD process, heating the substrate to form a first cobalt silicide layer comprising CoSi at the interface of the cobalt metal layer and the silicon-containing material during a first annealing process, removing any unreacted cobalt metal from the substrate during an etch process, and heating the substrate to form a second cobalt silicide layer comprising CoSi2 during a second annealing process.
    Type: Application
    Filed: April 26, 2012
    Publication date: August 23, 2012
    Inventors: SESHADRI GANGULI, Sang-Ho Yu, See-Eng Phan, Mei Chang, Amit Khandelwal, Hyoung-Chan Ha