Patents by Inventor Sang-hyeob Lee

Sang-hyeob Lee 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: 20140373192
    Abstract: A high efficiency plant expression promoter from Capsicum annuum serine hydroxymethyl transferase gene and uses thereof. This high efficiency plant expression promoter and 5?-untranslated region (5?-UTR) from Capsicum annular, serine hydroxymethyl transferase gene, a high efficiency plant expression vector having the same, a plant transformed with said vector, a process for high efficiency expression of a foreign gene by using said vector and a transformed plant which expresses with high efficiency a foreign gene based on said process and seeds of the transformed plant.
    Type: Application
    Filed: August 19, 2010
    Publication date: December 18, 2014
    Applicant: INDUSTRY FOUNDATION OF CHONNAM NATIONAL UNIVERSITY
    Inventors: Young Hee Joung, Do Il Choi, Sang Hyeob Lee
  • Patent number: 8900999
    Abstract: A method of filling a feature in a substrate with tungsten without forming a seam is presented. The tungsten is deposited by a thermal chemical vapor deposition (CVD) process using hydrogen (H2) and tungsten hexafluoride (WF6) precursor gases. The H2 to WF6 flow rate ratio is greater than 40 to 1, such as from 40 to 1 to 100 to 1. The substrate temperature during deposition is less than 300 degrees Celsius (° C.) and the processing pressure during deposition is greater than 300 Torr.
    Type: Grant
    Filed: September 25, 2013
    Date of Patent: December 2, 2014
    Assignee: Applied Materials, Inc.
    Inventors: Kai Wu, Sang-Hyeob Lee, Joshua Collins, Kiejin Park
  • Patent number: 8865594
    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: Grant
    Filed: March 8, 2012
    Date of Patent: October 21, 2014
    Assignee: Applied Materials, Inc.
    Inventors: Sang-Hyeob Lee, Sang Ho Yu, Kai Wu
  • Patent number: 8835311
    Abstract: Embodiments of the invention provide an improved process for depositing tungsten-containing materials. In one embodiment, the method for forming a tungsten-containing material on a substrate includes forming an adhesion layer containing titanium nitride on a dielectric layer disposed on a substrate, forming a tungsten nitride intermediate layer on the adhesion layer, wherein the tungsten nitride intermediate layer contains tungsten nitride and carbon. The method further includes forming a tungsten barrier layer (e.g., tungsten or tungsten-carbon material) from the tungsten nitride intermediate layer by thermal decomposition during a thermal annealing process (e.g., temperature from about 700° C. to less than 1,000° C.).
    Type: Grant
    Filed: December 31, 2013
    Date of Patent: September 16, 2014
    Assignee: Applied Materials, Inc.
    Inventors: Joshua Collins, Murali K. Narasimhan, Jingjing Liu, Sang-Hyeob Lee, Kai Wu, Avgerinos V. Gelatos
  • Patent number: 8821637
    Abstract: Embodiments of the invention provide apparatuses for vapor depositing tungsten-containing materials, such as metallic tungsten and tungsten nitride. In one embodiment, a processing chamber is provided which includes a lid assembly containing a lid plate, a showerhead, a mixing cavity, a distribution cavity, and a resistive heating element contained within the lid plate. In one example, the resistive heating element is configured to provide the lid plate at a temperature within a range from about 120° C. to about 180° C., preferably, from about 140° C. to about 160° C., more preferably, from about 145° C. to about 155° C. The mixing cavity may be in fluid communication with a tungsten precursor source containing tungsten hexafluoride and a nitrogen precursor source containing ammonia. In some embodiments, a single processing chamber may be used to deposit metallic tungsten and tungsten nitride materials by CVD processes.
    Type: Grant
    Filed: January 29, 2008
    Date of Patent: September 2, 2014
    Assignee: Applied Materials, Inc.
    Inventors: Avgerinos V. Gelatos, Sang-Hyeob Lee, Xiaoxiong Yuan, Salvador P. Umotoy, Yu Chang, Gwo-Chuan Tzu, Emily Renuart, Jing Lin, Wing-Cheong Lai, Sang Q. Le
  • Publication number: 20140187038
    Abstract: Embodiments of the invention provide an improved process for depositing tungsten-containing materials. In one embodiment, the method for forming a tungsten-containing material on a substrate includes forming an adhesion layer containing titanium nitride on a dielectric layer disposed on a substrate, forming a tungsten nitride intermediate layer on the adhesion layer, wherein the tungsten nitride intermediate layer contains tungsten nitride and carbon. The method further includes forming a tungsten barrier layer (e.g., tungsten or tungsten-carbon material) from the tungsten nitride intermediate layer by thermal decomposition during a thermal annealing process (e.g., temperature from about 700° C. to less than 1,000° C.).
    Type: Application
    Filed: December 31, 2013
    Publication date: July 3, 2014
    Applicant: APPLIED MATERIALS, INC.
    Inventors: Joshua COLLINS, Murali K. NARASIMHAN, Jingjing LIU, Sang-Hyeob LEE, Kai WU, Avgerinos V. GELATOS
  • Patent number: 8729340
    Abstract: The present invention relates to a Solanum lycopersicum histidine decarboxylase-2 (SlHD-2) gene-derived fruit-specific expression promoter, to a 5? untranslated region (5?-UTR), to a (5?UTR), —specific expression vector comprising same, to a method for the fruit-specific expression of an exotic gene using the expression vector, to a plant transformed with the expression vector, and to a seed thereof. According to the present invention, a gene introduced from a transformed plant can be specifically expressed fruit tissue as compared to the widely used conventional Cauliflower mosaic virus-derived CaMV 35S promoter which induces the expression of an exotic gene in the whole tissue. Further, the present invention can be valuably used in the development of a transformed plant, which seeks to produce valuable substances from fruit.
    Type: Grant
    Filed: February 11, 2010
    Date of Patent: May 20, 2014
    Assignee: Industry Foundation of Chonnam National University
    Inventors: Young Hee Joung, Ah Young Kim, Sang Hyeob Lee
  • 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: 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: 8617985
    Abstract: Embodiments of the invention provide an improved process for depositing tungsten-containing materials. In one embodiment, the method for forming a tungsten-containing material on a substrate includes forming an adhesion layer containing titanium nitride on a dielectric layer disposed on a substrate, forming a tungsten nitride intermediate layer on the adhesion layer, wherein the tungsten nitride intermediate layer contains tungsten nitride and carbon. The method further includes forming a tungsten barrier layer (e.g., tungsten or tungsten-carbon material) from the tungsten nitride intermediate layer by thermal decomposition during a thermal annealing process (e.g., temperature from about 700° C. to less than 1,000° C.).
    Type: Grant
    Filed: October 25, 2012
    Date of Patent: December 31, 2013
    Assignee: Applied Materials, Inc.
    Inventors: Joshua Collins, Murali K. Narasimhan, Jingjing Liu, Sang-Hyeob Lee, Kai Wu, Avgerinos V. Gelatos
  • Publication number: 20130168864
    Abstract: A tungsten nucleation film is formed on a surface of a semiconductor substrate by alternatively providing to that surface, reducing gases and tungsten-containing gases. Each cycle of the method provides for one or more monolayers of the tungsten film. The film is conformal and has improved step coverage, even for a high aspect ratio contact hole.
    Type: Application
    Filed: October 2, 2012
    Publication date: July 4, 2013
    Inventors: Sang-Hyeob Lee, Joshua Collins
  • 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: 20130109172
    Abstract: Embodiments of the invention provide an improved process for depositing tungsten-containing materials. In one embodiment, the method for forming a tungsten-containing material on a substrate includes forming an adhesion layer containing titanium nitride on a dielectric layer disposed on a substrate, forming a tungsten nitride intermediate layer on the adhesion layer, wherein the tungsten nitride intermediate layer contains tungsten nitride and carbon. The method further includes forming a tungsten barrier layer (e.g., tungsten or tungsten-carbon material) from the tungsten nitride intermediate layer by thermal decomposition during a thermal annealing process (e.g., temperature from about 700° C. to less than 1,000° C.).
    Type: Application
    Filed: October 25, 2012
    Publication date: May 2, 2013
    Inventors: JOSHUA COLLINS, Murali K. Narasimhan, Jingjing Liu, Sang-Hyeob Lee, Kai Wu, Avgerinos V. Gelatos
  • Patent number: 8350124
    Abstract: The present invention relates to a root specific plant expression promoter and 5?-untranslated region (5?-UTR) from Aquaporin gene of Capsicum annuum, a root specific plant expression vector comprising the same, a process for root specif-expression of a foreign gene by using said vector, and a plant transformed with said vector and seeds of the transformed plant. According to the present invention, the root specific expression promoter of the present invention can be used for root specific expression of a gene that is introduced to a transformed plant, compared to CaMV35S promoter from cauliflower mosaic virus by which gene expression is promoted in entire tissues of a plant. Consequently, the claimed invention can be advantageously used for the development of a transformed plant which is desired to be used for production of a useful material in a plant root.
    Type: Grant
    Filed: February 18, 2009
    Date of Patent: January 8, 2013
    Inventors: Young Hee Joung, Do il Choi, Sang hyeob Lee
  • 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: 20120090048
    Abstract: The present invention relates to a root specific plant expression promoter and 5?-untranslated region (5?-UTR) from Aquaporin gene of Capsicum annuum, a root specific plant expression vector comprising the same, a process for root specif-expression of a foreign gene by using said vector, and a plant transformed with said vector and seeds of the transformed plant. According to the present invention, the root specific expression promoter of the present invention can be used for root specific expression of a gene that is introduced to a transformed plant, compared to CaMV35S promoter from cauliflower mosaic virus by which gene expression is promoted in entire tissues of a plant. Consequently, the claimed invention can be advan tageously used for the development of a transformed plant which is desired to be used for production of a useful material in a plant root.
    Type: Application
    Filed: February 18, 2009
    Publication date: April 12, 2012
    Inventors: Young Hee Joung, Do il Choi, Sang hyeob Lee
  • Publication number: 20120012465
    Abstract: Methods for forming barrier/seed layers for interconnect structures are provided herein. In some embodiments, a method of processing a substrate having an opening formed in a first surface of the substrate, the opening having a sidewall and a bottom surface, the method may include forming a layer comprising manganese (Mn) and at least one of ruthenium (Ru) or cobalt (Co) on the sidewall and bottom surface of the opening; and depositing a conductive material on the layer to fill the opening. In some embodiments, one of ruthenium (Ru) or cobalt (Co) is deposited on the sidewall and bottom surface of the opening. The materials may be deposited by chemical vapor deposition (CVD) or by physical vapor deposition (PVD).
    Type: Application
    Filed: June 23, 2011
    Publication date: January 19, 2012
    Applicant: APPLIED MATERIALS, INC.
    Inventors: HOON KIM, WEI TI LEE, SANG HO YU, SESHADRI GANGULI, HYOUNG-CHAN HA, SANG HYEOB LEE
  • Publication number: 20110321188
    Abstract: The present invention relates to a Solanum lycopersicum histidine decarboxylase-2 (S1HD-2) gene-derived fruit-specific expression promoter, to a 5? untranslated region (5?-UTR), to a (5?UTR),-specific expression vector comprising same, to a method for the fruit-specific expression of an exotic gene using the expression vector, to a plant transformed with the expression vector, and to a seed thereof. According to the present invention, a gene introduced from a transformed plant can be specifically expressed fruit tissue as compared to the widely used conventional Cauliflower mosaic virus-derived CaMV 35S promoter which induces the expression of an exotic gene in the whole tissue. Further, the present invention can be valuably used in the development of a transformed plant, which seeks to produce valuable substances from fruit.
    Type: Application
    Filed: February 11, 2010
    Publication date: December 29, 2011
    Applicant: INDUSTRY FOUNDATION OF CHONNAM NATIONAL UNIVERSITY
    Inventors: Young Hee Joung, Ah Young Kim, Sang Hyeob Lee
  • Publication number: 20110312148
    Abstract: Methods for depositing ruthenium-containing films are provided 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 film to an oxygen-containing gas to remove at least some of the carbon from the deposited ruthenium-containing film. In some embodiments, the oxygen-containing gas exposed ruthenium-containing film may be annealed in a hydrogen-containing gas to remove at least some oxygen from the ruthenium-containing film. In some embodiments, the deposition, exposure, and annealing may be repeated to deposit the ruthenium-containing film to a desired thickness.
    Type: Application
    Filed: June 8, 2011
    Publication date: December 22, 2011
    Applicant: APPLIED MATERIALS, INC.
    Inventors: HOON KIM, SANG-HYEOB LEE, SANG HO YU, WEI TI LEE, SESHADRI GANGULI, HYOUNG-CHAN HA
  • Publication number: 20110298062
    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: Application
    Filed: May 26, 2011
    Publication date: December 8, 2011
    Applicant: 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