Patents by Inventor Bee Lyong Yang

Bee Lyong Yang 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: 6713344
    Abstract: The present invention provides a semiconductor device and a manufacturing method capable of preventing penetration of plasma with impurities into an interface between an inter-layer insulation layer and a diffusion barrier, thereby reducing degradation of the capacitor properties and increasing production yield. The inventive semiconductor device, including: a capacitor formed on a top portion of a semiconductor substrate, wherein the capacitor includes a bottom electrode, a dielectric layer and a top electrode; an Iridium (Ir) capping layer formed on the top electrode of the capacitor; an inter-layer insulation layer for covering the capacitor and the Ir capping layer; a Ti layer for preventing plasma with impurities from penetrating into the capacitor through a contact hole, wherein the Ti layer is contacted with the inter-layer insulation layer exposed on lateral sides of the contact hole and the Ir capping layer exposed on a lower side of the contact hole; and a metal line formed on the Ti layer.
    Type: Grant
    Filed: November 6, 2002
    Date of Patent: March 30, 2004
    Assignee: Hynix Semiconductor Inc.
    Inventor: Bee-Lyong Yang
  • Patent number: 6642100
    Abstract: A semiconductor device for use in a memory cell including an active matrix provided with a transistor and a first insulating layer formed around the transistor; a capacitor structure, formed on top of the first insulating layer and composed of a bottom electrode, a capacitor thin film placed on top of the bottom electrode and a top electrode formed on top of the capacitor thin film; a second insulating layer formed on top of the transistor and the capacitor structure; a metal interconnection formed on top of the second insulating layer and the active matrix to electrically connect the transistor to the capacitor structure; and a hydrogen barrier layer formed on top of the metal interconnection, wherein the hydrogen barrier layer is made of an aluminum oxide (AlxOy) layer.
    Type: Grant
    Filed: June 28, 2001
    Date of Patent: November 4, 2003
    Assignee: Hyundai Electronics Industries Co., Ltd.
    Inventors: Bee-Lyong Yang, Seaung-Suk Lee, Suk-Kyoung Hong, Nam-Soo Kang
  • Publication number: 20030173677
    Abstract: A semiconductor device for use in a memory cell including an active matrix provided with a transistor and a first insulating layer formed around the transistor; a capacitor structure, formed on top of the first insulating layer and composed of a bottom electrode, a capacitor thin film placed on top of the bottom electrode and a top electrode formed on top of the capacitor thin film; a second insulating layer formed on top of the transistor and the capacitor structure; a metal interconnection formed on top of the second insulating layer and the active matrix to electrically connect the transistor to the capacitor structure; and a hydrogen barrier layer formed on top of the metal interconnection, wherein the hydrogen barrier layer is made of an aluminum oxide (AlxOy) layer.
    Type: Application
    Filed: April 14, 2003
    Publication date: September 18, 2003
    Applicant: Hyundai Electronics Industries Co., Ltd.
    Inventors: Bee-Lyong Yang, Seaung-Suk Lee, Suk-Kyoung Hong, Nam-Soo Kang
  • Publication number: 20030094643
    Abstract: The present invention provides a semiconductor device and a manufacturing method capable of preventing penetration of plasma with impurities into an interface between an inter-layer insulation layer and a diffusion barrier, thereby reducing degradation of the capacitor properties and increasing production yield. The inventive semiconductor device, including: a capacitor formed on a top portion of a semiconductor substrate, wherein the capacitor includes a bottom electrode, a dielectric layer and a top electrode; an Iridium (Ir) capping layer formed on the top electrode of the capacitor; an inter-layer insulation layer for covering the capacitor and the Ir capping layer; a Ti layer for preventing plasma with impurities from penetrating into the capacitor through a contact hole, wherein the Ti layer is contacted with the inter-layer insulation layer exposed on lateral sides of the contact hole and the Ir capping layer exposed on a lower side of the contact hole; and a metal line formed on the Ti layer.
    Type: Application
    Filed: November 6, 2002
    Publication date: May 22, 2003
    Inventor: Bee-Lyong Yang
  • Publication number: 20030006443
    Abstract: A semiconductor device for use in a memory cell including an active matrix provided with a transistor and a first insulating layer formed around the transistor; a capacitor structure, formed on top of the first insulating layer and composed of a bottom electrode, a capacitor thin film placed on top of the bottom electrode and a top electrode formed on top of the capacitor thin film; a second insulating layer formed on top of the transistor and the capacitor structure; a metal interconnection formed on top of the second insulating layer and the active matrix to electrically connect the transistor to the capacitor structure; and a hydrogen barrier layer formed on top of the metal interconnection, wherein the hydrogen barrier layer is made of an aluminum oxide (AlxOy) layer.
    Type: Application
    Filed: March 20, 2002
    Publication date: January 9, 2003
    Applicant: Hyundai Electronics Industries Co., Ltd.
    Inventors: Bee-Lyong Yang, Seaung-Suk Lee, Suk-Kyoung Hong, Nam-Soo Kang
  • Patent number: 6423554
    Abstract: A semiconductor device for use in a memory cell including an active matrix provided with a transistor and a first insulating layer formed around the transistor; a capacitor structure formed on top of the first insulating layer, composed of a bottom electrode, a capacitor thin film placed on top of the bottom electrode and a top electrode formed on top of the capacitor thin film; a second insulating layer formed on top of the transistor and the capacitor structure; a metal interconnection formed on top of the second insulating layer and the active matrix to electrically connect the transistor to the capacitor structure; and a hydrogen barrier layer formed on top of the metal interconnection.
    Type: Grant
    Filed: December 19, 2000
    Date of Patent: July 23, 2002
    Assignee: Hyundai Electronics Industries Co., Ltd.
    Inventors: Bee-Lyong Yang, Seaung-Suk Lee, Suk-Kyoung Hong, Nam-Soo Kang
  • Publication number: 20020020868
    Abstract: A semiconductor device for use in a memory cell including an active matrix provided with a transistor and a first insulating layer formed around the transistor; a capacitor structure, formed on top of the first insulating layer and composed of a bottom electrode, a capacitor thin film placed on top of the bottom electrode and a top electrode formed on top of the capacitor thin film; a second insulating layer formed on top of the transistor and the capacitor structure; a metal interconnection formed on top of the second insulating layer and the active matrix to electrically connect the transistor to the capacitor structure; and a hydrogen barrier layer formed on top of the metal interconnection, wherein the hydrogen barrier layer is made of an aluminum oxide (AlxOy) layer.
    Type: Application
    Filed: June 28, 2001
    Publication date: February 21, 2002
    Inventors: Bee-Lyong Yang, Seaung-Suk Lee, Suk-Kyoung Hong, Nam-Soo Kang
  • Publication number: 20020001859
    Abstract: A method for manufacturing a ferroelectric memory device including steps of forming a ferroelectric layer, carrying out a rapid thermal process (RTP) to the ferroelectric layer to form perovskite crystal nuclei therein, and carrying out a heat treatment to the ferroelectric layer below 650° C. in the presence of O2 gas to crystallize the ferroelectric layer.
    Type: Application
    Filed: June 19, 2001
    Publication date: January 3, 2002
    Inventors: Bee-Lyong Yang, Nam-Soo Kang
  • Patent number: 6291292
    Abstract: The present invention discloses a ferroelectric memory device and a method for fabricating the same.
    Type: Grant
    Filed: October 22, 1999
    Date of Patent: September 18, 2001
    Assignee: Hyundai Electronics Industries Co., Ltd.
    Inventor: Bee Lyong Yang
  • Publication number: 20010006241
    Abstract: A semiconductor device for use in a memory cell including an active matrix provided with a transistor and a first insulating layer formed around the transistor; a capacitor structure, formed on top of the first insulating layer, composed of a bottom electrode, a capacitor thin film placed on top of the bottom electrode and a top electrode formed on top of the capacitor thin film; a hydrogen barrier layer, formed on the capacitor structure, for protecting the capacitor structure from hydrogen diffusion; a second insulating layer formed on top of the transistor and the capacitor structure; and a metal interconnection formed on top of the second insulating layer to electrically connect the transistor to the capacitor structure.
    Type: Application
    Filed: December 19, 2000
    Publication date: July 5, 2001
    Inventor: Bee-Lyong Yang
  • Publication number: 20010006239
    Abstract: A semiconductor device for use in a memory cell including an active matrix provided with a transistor and a first insulating layer formed around the transistor; a capacitor structure formed on top of the first insulating layer, composed of a bottom electrode, a capacitor thin film placed on top of the bottom electrode and a top electrode formed on top of the capacitor thin film; a second insulating layer formed on top of the transistor and the capacitor structure; a metal interconnection formed on top of the second insulating layer and the active matrix to electrically connect the transistor to the capacitor structure; and a hydrogen barrier layer formed on top of the metal interconnection.
    Type: Application
    Filed: December 19, 2000
    Publication date: July 5, 2001
    Inventors: Bee-Lyong Yang, Seaung-Suk Lee, Suk-Kyoung Hong, Nam-Soo Kang