Patents by Inventor Kyoo-chul Cho

Kyoo-chul Cho 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: 9359382
    Abstract: The ?-ketoimine ligand is represented by the following formula 1: wherein R1 and R2 are each independently a C1-C5 alkyl group. A metal complex compound includes the ?-ketoimine ligand. A method of forming the ?-ketoimine ligand and a method of forming a thin film using the metal complex compound including ?-ketoimine ligand are provided.
    Type: Grant
    Filed: June 27, 2014
    Date of Patent: June 7, 2016
    Assignees: SAMSUNG ELECTRONICS CO., LTD., ADEKA CORPORATION
    Inventors: Youn-Joung Cho, Senji Wada, Jung-Sik Choi, Jin-Seo Lee, Atsushi Sakurai, Kyoo-Chul Cho, Atsuya Yoshinaka, Haruyoshi Sato, Junji Ueyama, Tomoharu Yoshino, Masako Shimizu
  • Patent number: 9359383
    Abstract: The ?-ketoimine ligand is represented by the following formula 1: wherein R1 and R2 are each independently a C1-C5 alkyl group. A metal complex compound includes the ?-ketoimine ligand. A method of forming the ?-ketoimine ligand and a method of forming a thin film using the metal complex compound including ?-ketoimine ligand are provided.
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: June 7, 2016
    Assignees: SAMSUNG ELECTRONICS CO., LTD., ADEKA CORPORATION
    Inventors: Youn-Joung Cho, Senji Wada, Jung-Sik Choi, Jin-Seo Lee, Atsushi Sakurai, Kyoo-Chul Cho, Atsuya Yoshinaka, Haruyoshi Sato, Junji Ueyama, Tomoharu Yoshino, Masako Shimizu
  • Patent number: 9035309
    Abstract: A three-dimensional (3D) CMOS image sensor (CIS) that sufficiently absorbs incident infrared-rays (IRs) and includes an infrared-ray (IR) receiving unit formed in a thin epitaxial film, thereby being easily manufactured using a conventional CIS process, a sensor system including the 3D CIS, and a method of manufacturing the 3D CIS, the 3D CIS including an IR receiving part absorbing IRs incident thereto by repetitive reflection to produce electron-hole pairs (EHPs); and an electrode part formed on the IR receiving part and collecting electrons produced by applying a predetermined voltage thereto.
    Type: Grant
    Filed: January 5, 2011
    Date of Patent: May 19, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-soo Park, Won-joo Kim, Kyoo-chul Cho, Gi-jung Kim, Sam-jong Choi
  • Publication number: 20140316164
    Abstract: The ?-ketoimine ligand is represented by the following formula 1: wherein R1 and R2 are each independently a C1-C5 alkyl group. A metal complex compound includes the ?-ketoimine ligand. A method of forming the ?-ketoimine ligand and a method of forming a thin film using the metal complex compound including ?-ketoimine ligand are provided.
    Type: Application
    Filed: June 30, 2014
    Publication date: October 23, 2014
    Applicant: ADEKA CORPORATION
    Inventors: Youn-Joung CHO, Senji WADA, Jung-Sik CHOI, Jin-Seo LEE, Atsushi SAKURAI, Kyoo-Chul CHO, Atsuya YOSHINAKA, Haruyoshi SATO, Junji UEYAMA, Tomoharu YOSHINO, Masako SHIMIZU
  • Publication number: 20140309456
    Abstract: The ?-ketoimine ligand is represented by the following formula 1: wherein R1 and R2 are each independently a C1-C5 alkyl group. A metal complex compound includes the ?-ketoimine ligand. A method of forming the ?-ketoimine ligand and a method of forming a thin film using the metal complex compound including ?-ketoimine ligand are provided.
    Type: Application
    Filed: June 27, 2014
    Publication date: October 16, 2014
    Applicant: ADEKA CORPORATION
    Inventors: Youn-Joung CHO, Senji WADA, Jung-Sik CHOI, Jin-Seo LEE, Atsushi SAKURAI, Kyoo-Chul CHO, Atsuya YOSHINAKA, Haruyoshi SATO, Junji UEYAMA, Tomoharu YOSHINO, Masako SHIMIZU
  • Publication number: 20120251724
    Abstract: The ?-ketoimine ligand is represented by the following formula 1: wherein R1 and R2 are each independently a C1-C5 alkyl group. A metal complex compound includes the ?-ketoimine ligand. A method of forming the ?-ketoimine ligand and a method of forming a thin film using the metal complex compound including ?-ketoimine ligand are provided.
    Type: Application
    Filed: March 30, 2012
    Publication date: October 4, 2012
    Inventors: Youn-Joung CHO, Senji WADA, Jung-Sik CHOI, Jin-Seo LEE, Atsushi SAKURAI, Kyoo-Chul CHO, Atsuya YOSHINAKA, Haruyoshi SATO, Junji UEYAMA., Tomoharu YOSHINO, Masako SHIMIZU
  • Patent number: 8268397
    Abstract: Disclosed are an organometallic precursor that may be used in manufacturing a semiconductor device, a thin film having the same, a metal wiring including the thin film, a method of forming a thin film and a method of manufacturing a metal wiring. An organometallic precursor including a central metal, a borohydride ligand and an amine ligand for reducing a polarity of the organometallic precursor may be provided onto a substrate, and may be thermally decomposed to form a thin film on the substrate. The organometallic precursor having a reduced polarity may be provided to a chamber with a constant flow rate, and thus stability and/or efficiency of a semiconductor manufacturing process may be improved.
    Type: Grant
    Filed: July 31, 2008
    Date of Patent: September 18, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Youn-Joung Cho, Jung-Ho Lee, Jun-Hyun Cho, Seung-Min Ryu, Kyoo-Chul Cho, Jung-Sik Choi
  • Publication number: 20110193940
    Abstract: A three-dimensional (3D) CMOS image sensor (CIS) that sufficiently absorbs incident infrared-rays (IRs) and includes an infrared-ray (IR) receiving unit formed in a thin epitaxial film, thereby being easily manufactured using a conventional CIS process, a sensor system including the 3D CIS, and a method of manufacturing the 3D CIS, the 3D CIS including an IR receiving part absorbing IRs incident thereto by repetitive reflection to produce electron-hole pairs (EHPs); and an electrode part formed on the IR receiving part and collecting electrons produced by applying a predetermined voltage thereto.
    Type: Application
    Filed: January 5, 2011
    Publication date: August 11, 2011
    Inventors: Young-soo Park, Won-joo Kim, Kyoo-chul Cho, Gi-jung Kim, Sam-jong Choi
  • Patent number: 7964907
    Abstract: Methods of forming a gate structure for an integrated circuit memory device include forming a first dielectric layer having a dielectric constant of under 7 on an integrated circuit substrate. Ions of a selected element from group 4 of the periodic table and having a thermal diffusivity of less than about 0.5 centimeters per second (cm2/s) are injected into the first dielectric layer to form a charge storing region in the first dielectric layer with a tunnel dielectric layer under the charge storing region. A metal oxide second dielectric layer is formed on the first dielectric layer, the second dielectric layer. The substrate including the first and second dielectric layers is thermally treated to form a plurality of discrete charge storing nano crystals in the charge storing region and a gate electrode layer is formed on the second dielectric layer. Gate structures for integrated circuit devices and memory cells are also provided.
    Type: Grant
    Filed: May 19, 2009
    Date of Patent: June 21, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sam-jong Choi, Yong-kwon Kim, Kyoo-chul Cho, Kyung-soo Kim, Jae-ryong Jung, Tae-soo Kang, Sang-Sig Kim
  • Patent number: 7675091
    Abstract: Disclosed is a semiconductor wafer and method of fabricating the same. The semiconductor wafer is comprised of a semiconductor layer formed on an insulation layer on a base substrate. The semiconductor layer includes a surface region organized in a first crystallographic orientation, and another surface region organized in a second crystallographic orientation. The performance of a semiconductor device with unit elements that use charges, which are activated in high mobility to the crystallographic orientation, as carriers is enhanced. The semiconductor wafer is completed by forming the semiconductor layer with the second crystallographic orientation on the plane of the first crystallographic orientation, growing an epitaxial layer, forming the insulation layer on the epitaxial layer, and then bonding the insulation layer to the base substrate.
    Type: Grant
    Filed: August 8, 2006
    Date of Patent: March 9, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-Soo Park, Kyoo-Chul Cho, Shin-Hyeok Han, Tae-Soo Kang
  • Patent number: 7648854
    Abstract: Provided herein are methods of forming a metal oxide layer that include providing an organometallic compound and an oxidizing agent to the substrate to form the metal oxide layer on the substrate. The organometallic compound may have the general formula of M(NR1R2)3R3, wherein M is a metal; R1 and R2 are each independently hydrogen or alkyl; and R3 is selected from the group consisting of alkyl, cycloalkyl, heterocycloalkyl, aryl and heteroaryl.
    Type: Grant
    Filed: November 16, 2007
    Date of Patent: January 19, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung-Ho Lee, Jun-Hyun Cho, Youn-Joung Cho, Seung-Min Ryu, Kyoo-Chul Cho, Jung-Sik Choi
  • Publication number: 20090236655
    Abstract: Methods of forming a gate structure for an integrated circuit memory device include forming a first dielectric layer having a dielectric constant of under 7 on an integrated circuit substrate. Ions of a selected element from group 4 of the periodic table and having a thermal diffusivity of less than about 0.5 centimeters per second (cm2/s) are injected into the first dielectric layer to form a charge storing region in the first dielectric layer with a tunnel dielectric layer under the charge storing region. A metal oxide second dielectric layer is formed on the first dielectric layer, the second dielectric layer. The substrate including the first and second dielectric layers is thermally treated to form a plurality of discrete charge storing nano crystals in the charge storing region and a gate electrode layer is formed on the second dielectric layer. Gate structures for integrated circuit devices and memory cells are also provided.
    Type: Application
    Filed: May 19, 2009
    Publication date: September 24, 2009
    Inventors: Sam-jong Choi, Yong-kwon Kim, Kyoo-chul Cho, Kyung-soo Kim, Jae-ryong Jung, Tae-soo Kang, Sang-Sig Kim
  • Publication number: 20090233439
    Abstract: A metal organic precursor represented by a formula of R1-CpML is provided onto a substrate having a conductive pattern including silicon. Here, R1 is an alkyl group substituent of Cp, R1 including methyl, ethyl, propyl, pentamethyl, pentaethyl, diethyl, dimethyl or dipropyl, Cp is cyclopentadienyl, M includes nickel (Ni), cobalt (Co), titanium (Ti), platinum (Pt) zirconium (Zr) or ruthenium (Ru), and L is at least one ligand, the at least one ligand including a carbonyl. A deposition process is performed using the metal organic precursor to form a preliminary metal silicide layer and a metal layer on the substrate. The preliminary metal silicidation layer is formed on the conductive pattern. The preliminary metal silicide layer is transformed into a metal silicide layer.
    Type: Application
    Filed: March 5, 2009
    Publication date: September 17, 2009
    Inventors: Myung-Beom Park, Ki-Hag Lee, Hyun-Su Kim, Eun-Ok Lee, Kyoo-Chul Cho, Jung-Sik Choi, Byung-Hee Kim, Dae-Yong Kim
  • Patent number: 7573123
    Abstract: Provided are a semiconductor device, and a method of forming the same. In one embodiment, the semiconductor device includes a semiconductor layer, first and second semiconductor fins, an insulating layer, and an inter-fin connection member. The first and second semiconductor fins are placed on the semiconductor layer, and have different crystal directions. The first semiconductor fin is connected to the semiconductor layer, and has the equivalent crystal direction as that of the semiconductor layer. The insulating layer is interposed between the second semiconductor fin and the semiconductor layer, and has an opening in which the first semiconductor fin is inserted. The inter-fin connection member connects the first semiconductor fin and the second semiconductor fin together on the insulating layer.
    Type: Grant
    Filed: July 9, 2007
    Date of Patent: August 11, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-Soo Park, Kyoo-Chul Cho, Hee-Sung Kim, Tae-Soo Kang, Sam-Jong Choi
  • Patent number: 7550347
    Abstract: Methods of forming a gate structure for an integrated circuit memory device include forming a first dielectric layer having a dielectric constant of under 7 on an integrated circuit substrate. Ions of a selected element from group 4 of the periodic table and having a thermal diffusivity of less than about 0.5 centimeters per second (cm2/s) are injected into the first dielectric layer to form a charge storing region in the first dielectric layer with a tunnel dielectric layer under the charge storing region. A metal oxide second dielectric layer is formed on the first dielectric layer, the second dielectric layer. The substrate including the first and second dielectric layers is thermally treated to form a plurality of discrete charge storing nano crystals in the charge storing region and a gate electrode layer is formed on the second dielectric layer. Gate structures for integrated circuit devices and memory cells are also provided.
    Type: Grant
    Filed: August 25, 2006
    Date of Patent: June 23, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sam-jong Choi, Yong-kwon Kim, Kyoo-chul Cho, Kyung-soo Kim, Jae-ryong Jung, Tae-soo Kang, Sang-Sig Kim
  • Publication number: 20090096014
    Abstract: A nonvolatile memory device includes a semiconductor substrate, a charge-trap structure disposed on the semiconductor substrate, which includes an insulating film and a plurality of carbon nanocrystals embedded in the insulating film, and a gate disposed on the charge-trap structure. The nonvolatile memory device may exhibit memory hysteresis characteristics with improved reliability.
    Type: Application
    Filed: June 11, 2008
    Publication date: April 16, 2009
    Inventors: Sam-Jong Choi, Kyoo-Chul Cho, Jung-Sik Choi, Hee-sung Kim, Tae-Soo Kang, Yoon-Hee Lee
  • Patent number: 7488684
    Abstract: An organic aluminum precursor includes aluminum as a central metal, and borohydride and trimethylamine as ligands. In a method of forming an aluminum layer or wire, the organic aluminum presursor is introduced onto a substrate, and then thermally decomposed. The aluminum decomposed from the organic aluminum precursor is deposited on the substrate.
    Type: Grant
    Filed: September 20, 2006
    Date of Patent: February 10, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung-Sik Choi, Jung-Ho Lee, Jun-Hyun Cho, Youn-Joung Cho, Tae-Sung Kim, Mi-Ae Kim, Kyoo-Chul Cho, Dong-Jun Lee
  • Publication number: 20090035516
    Abstract: Disclosed are an organometallic precursor that may be used in manufacturing a semiconductor device, a thin film having the same, a metal wiring including the thin film, a method of forming a thin film and a method of manufacturing a metal wiring. An organometallic precursor including a central metal, a borohydride ligand and an amine ligand for reducing a polarity of the organometallic precursor may be provided onto a substrate, and may be thermally decomposed to form a thin film on the substrate. The organometallic precursor having a reduced polarity may be provided to a chamber with a constant flow rate, and thus stability and/or efficiency of a semiconductor manufacturing process may be improved.
    Type: Application
    Filed: July 31, 2008
    Publication date: February 5, 2009
    Inventors: Youn-Joung Cho, Jung-Ho Lee, Jun-Hyun Cho, Seung-Min Ryu, Kyoo-Chul Cho, Jung-Sik Choi
  • Patent number: 7452569
    Abstract: In a method of manufacturing a metal wiring, an organic aluminum precursor that includes aluminum as a central metal is applied to a substrate. The organic aluminum precursor applied to the substrate is thermally decomposed to form aluminum. The aluminum is deposited on the substrate to form an aluminum wiring having a low resistance. The organic aluminum precursor includes a chemical structure in accordance with one of the chemical formulae: wherein R1, R2, R3, R4 and R5 are independently H or a C1-C5 alkyl functional group, n is an integer of 1 to 5, x is 1 or 2, and y is 0 or 1, or wherein R1, R2, R3, R4 R5, R6, R7 and R8 are independently H or a C1-C5 alkyl functional group, and Y is boron.
    Type: Grant
    Filed: September 21, 2006
    Date of Patent: November 18, 2008
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung-Ho Lee, Jung-Sik Choi, Jun-Hyun Cho, Youn-Joung Cho, Tae-Sung Kim, Mi-Ae Kim, Kyoo-Chul Cho
  • Publication number: 20080246077
    Abstract: In a method for fabricating a semiconductor memory device and a semiconductor memory device fabricated by the method, the method includes forming a multi-layered dielectric structure including a first dielectric layer with an ion implantation layer and a second dielectric layer without an ion implantation layer, over a semiconductor substrate; forming nanocrystals in the first and second dielectric layers by diffusing ions of the ion implantation layer by thermally treating the multi-layered dielectric structure; and forming a gate electrode on the multi-layered dielectric structure.
    Type: Application
    Filed: February 4, 2008
    Publication date: October 9, 2008
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Young-Soo Park, Sam-Jong Choi, Kyoo-Chul Cho, Tae-Soo Kang