Patents by Inventor Jeong-hoon Ahn

Jeong-hoon Ahn 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: 7358155
    Abstract: Scribe-line structures and methods of forming such scribe-line structures on a face of a semiconductor substrate are provided. By means of the scribe-line structures and the methods of this invention, physical shock and cracking tendencies along a semiconductor substrate can be minimized during performance of a cutting process on the semiconductor substrate as part of post-fabrication processing. A representative method according to this invention comprises the sequential steps of: forming a lower layer on a semiconductor substrate; forming a molding layer on the lower layer such that the molding layer includes at least one protective contact hole; subsequently forming a dielectric layer and an upper layer on the molding layer so as to fill the protective contact hole, such dielectric layer being formed of a material having a greater mechanical intensity than that of the molding layer; and then forming protective layer patterns on the upper layer.
    Type: Grant
    Filed: January 19, 2006
    Date of Patent: April 15, 2008
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jeong-Hoon Ahn, Heon-Jong Shin
  • Patent number: 7351653
    Abstract: Disclosed are methods for carrying out a damascene process in semiconductor fabrication including the steps of: forming an intermetal dielectric film on a semiconductor substrate; patterning the intermetal dielectric film and forming an intermetal dielectric pattern comprising at least two layers of different chemical compositions that includes at least an opening penetrating the intermetal dielectric film; forming a conductive film to fill the opening on the intermetal dielectric pattern; and etching the conductive film by means of a chemical/mechanical polishing operation until exposing an upper face of the intermetal dielectric pattern and the top of the filled opening so as to form a conductive pattern. An etching process is then performed to selectively remove an upper portion of the intermetal dielectric pattern.
    Type: Grant
    Filed: August 3, 2006
    Date of Patent: April 1, 2008
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jeong-Hoon Ahn, Kyung-Tae Lee, Yoon-Hae Kim
  • Publication number: 20080048339
    Abstract: Example embodiments may provide metal line structures, and example methods may include forming the same. Example embodiment metal line structures may include a first metal line on a substrate, a first barrier metal layer on sidewalls and a lower surface of the first metal line, a first insulating layer covering the first metal line, a second metal line on the first insulating layer, a contact plug passing through the first insulating layer to electrically connect the first metal line and the second metal line, and a second barrier metal layer on sidewalls and a lower surface of the contact plug and the second metal line. The first barrier metal layer and the second barrier metal layer may contact each other.
    Type: Application
    Filed: August 21, 2007
    Publication date: February 28, 2008
    Inventors: Jeong-Hoon Ahn, Heon-Jong Shin
  • Publication number: 20070184610
    Abstract: Embodiments of the invention include a MIM capacitor that has a high capacitance that can be manufactured without the problems that affected the prior art. Such a capacitor includes an upper electrode, a lower electrode, and a dielectric layer that is intermediate the upper and the lower electrodes. A first voltage can be applied to the upper electrode and a second voltage, which is different from the first voltage, can be applied to the lower electrode. A wire layer, through which the first voltage is applied to the upper electrode, is located in the same level as or in a lower level than the lower electrode.
    Type: Application
    Filed: April 10, 2007
    Publication date: August 9, 2007
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyoung-woo Lee, Wan-jae Park, Jeong-hoon Ahn, Kyung-tae Lee, Mu-kyeng Jung, Yong-jun Lee, Il-goo Kim, Soo-geun Lee
  • Patent number: 7229875
    Abstract: Embodiments of the invention include a MIM capacitor having a high capacitance with improved manufacturability. Such a capacitor includes an upper electrode, a lower electrode, and a dielectric layer that is intermediate the upper and the lower electrodes. A first voltage can be applied to the upper electrode and a second voltage, which is different from the first voltage, can be applied to the lower electrode. A wire layer, through which the first voltage is applied to the upper electrode, is located in the same level as or in a lower level than the lower electrode.
    Type: Grant
    Filed: October 16, 2003
    Date of Patent: June 12, 2007
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyoung-woo Lee, Wan-jae Park, Jeong-hoon Ahn, Kyung-tae Lee, Mu-kyeng Jung, Yong-jun Lee, Il-goo Kim, Soo-geun Lee
  • Publication number: 20070072319
    Abstract: Embodiments of the invention include a MIM capacitor that has a high capacitance that can be manufactured without the problems that affected the prior art. Such a capacitor includes an upper electrode, a lower electrode, and a dielectric layer that is intermediate the upper and the lower electrodes. A first voltage can be applied to the upper electrode and a second voltage, which is different from the first voltage, can be applied to the lower electrode. A wire layer, through which the first voltage is applied to the upper electrode, is located in the same level as or in a lower level than the lower electrode.
    Type: Application
    Filed: November 13, 2006
    Publication date: March 29, 2007
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jeong-Hoon AHN, Kyungtae LEE, Mu-Kyung JUNG, Yong-Jun LEE
  • Publication number: 20070037383
    Abstract: Disclosed are methods for carrying out a damascene process in semiconductor fabrication including the steps of: forming an intermetal dielectric film on a semiconductor substrate; patterning the intermetal dielectric film and forming an intermetal dielectric pattern comprising at least two layers of different chemical compositions that includes at least an opening penetrating the intermetal dielectric film; forming a conductive film to fill the opening on the intermetal dielectric pattern; and etching the conductive film by means of a chemical/mechanical polishing operation until exposing an upper face of the intermetal dielectric pattern and the top of the filled opening so as to form a conductive pattern. An etching process is then performed to selectively remove an upper portion of the intermetal dielectric pattern.
    Type: Application
    Filed: August 3, 2006
    Publication date: February 15, 2007
    Inventors: Jeong-Hoon Ahn, Kyung-Tae Lee, Yoon-Hae Kim
  • Publication number: 20060289999
    Abstract: A selective copper alloy interconnection in a semiconductor device is provided. The interconnection includes a substrate, a dielectric formed on the substrate, and a first interconnection formed in the dielectric. The first interconnection has a first pure copper pattern. In addition, a second interconnection having a larger width than the first interconnection is formed in the dielectric. The second interconnection has a copper alloy pattern. The copper alloy pattern may be an alloy layer formed of copper (Cu) and an additive material. A method of forming the selective copper alloy pattern is also provided.
    Type: Application
    Filed: March 27, 2006
    Publication date: December 28, 2006
    Inventors: Hyo-Jong Lee, Sun-Jung Lee, Bong-Seok Suh, Hong-Jae Shin, Nae-In Lee, Kyoung-Woo Lee, Se-Young Jeong, Jeong-Hoon Ahn, Soo-Geun Lee
  • Patent number: 7154162
    Abstract: Embodiments of the invention include a MIM capacitor that has a high capacitance that can be manufactured without the problems that affected the prior art. Such a capacitor includes an upper electrode, a lower electrode, and a dielectric layer that is intermediate the upper and the lower electrodes. A first voltage can be applied to the upper electrode and a second voltage, which is different from the first voltage, can be applied to the lower electrode. A wire layer, through which the first voltage is applied to the upper electrode, is located in the same level as or in a lower level than the lower electrode.
    Type: Grant
    Filed: October 3, 2003
    Date of Patent: December 26, 2006
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jeong-Hoon Ahn, Kyungtae Lee, Mu-Kyung Jung, Yong-Jun Lee
  • Publication number: 20060163701
    Abstract: Scribe-line structures and methods of forming such scribe-line structures on a face of a semiconductor substrate are provided. By means of the scribe-line structures and the methods of this invention, physical shock and cracking tendencies along a semiconductor substrate can be minimized during performance of a cutting process on the semiconductor substrate as part of post-fabrication processing. A representative method according to this invention comprises the sequential steps of: forming a lower layer on a semiconductor substrate; forming a molding layer on the lower layer such that the molding layer includes at least one protective contact hole; subsequently forming a dielectric layer and an upper layer on the molding layer so as to fill the protective contact hole, such dielectric layer being formed of a material having a greater mechanical intensity than that of the molding layer; and then forming protective layer patterns on the upper layer.
    Type: Application
    Filed: January 19, 2006
    Publication date: July 27, 2006
    Inventors: Jeong-Hoon Ahn, Heon-Jong Shin
  • Publication number: 20060009065
    Abstract: In a method of manufacturing a semiconductor device, a first insulation layer on the substrate is patterned to form a first opening having a first width. A lower electrode is formed along an inner contour of the first opening. A second insulation layer on the first insulation layer is patterned to form a second opening that has a second width greater than the first width and is connected to the first opening with a stepped portion. A dielectric layer is formed on the lower electrode in the first opening, a sidewall of the second opening and a first stepped portion between the first insulation layer and the second insulation layer, so that the electrode layer is covered with the dielectric layer. An upper electrode is formed on the dielectric layer. Accordingly, a leakage current between the lower and upper electrodes is suppressed.
    Type: Application
    Filed: July 5, 2005
    Publication date: January 12, 2006
    Inventors: Kyoung-Woo Lee, Hong-Jae Shin, Jeong-Hoon Ahn, Seung-Man Choi, Byung-Jun Oh, Yoon-Hae Kim
  • Patent number: 6953745
    Abstract: A metal interconnection structure includes a lower metal interconnection layer disposed in a first inter-layer dielectric layer. An inter-metal dielectric layer having a via contact hole that exposes a portion of surface of the lower metal layer pattern is disposed on the first inter-layer dielectric layer and the lower metal layer pattern. A second inter-layer dielectric layer having a trench that exposes the via contact hole is formed on the inter-metal dielectric layer. A barrier metal layer is formed on a vertical surface of the via contact and the exposed surface of the second lower metal interconnection layer pattern. A first upper metal interconnection layer pattern is disposed on the barrier metal layer, thereby filling the via contact hole and a portion of the trench. A void diffusion barrier layer is disposed on the first metal interconnection layer pattern and a second upper metal interconnection layer pattern is disposed on the void diffusion barrier layer to completely fill the trench.
    Type: Grant
    Filed: July 15, 2004
    Date of Patent: October 11, 2005
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jeong-hoon Ahn, Hyo-jong Lee, Kyung-tae Lee, Kyoung-woo Lee, Soo-geun Lee, Bong-seok Suh
  • Publication number: 20050029010
    Abstract: A metal interconnection structure includes a lower metal interconnection layer disposed in a first inter-layer dielectric layer. An inter-metal dielectric layer having a via contact hole that exposes a portion of surface of the lower metal layer pattern is disposed on the first inter-layer dielectric layer and the lower metal layer pattern. A second inter-layer dielectric layer having a trench that exposes the via contact hole is formed on the inter-metal dielectric layer. A barrier metal layer is formed on a vertical surface of the via contact and the exposed surface of the second lower metal interconnection layer pattern. A first upper metal interconnection layer pattern is disposed on the barrier metal layer, thereby filling the via contact hole and a portion of the trench. A void diffusion barrier layer is disposed on the first metal interconnection layer pattern and a second upper metal interconnection layer pattern is disposed on the void diffusion barrier layer to completely fill the trench.
    Type: Application
    Filed: July 15, 2004
    Publication date: February 10, 2005
    Inventors: Jeong-hoon Ahn, Hyo-jong Lee, Kyung-tae Lee, Kyoung-woo Lee, Soo-geun Lee, Bong-seok Suh
  • Publication number: 20040238962
    Abstract: A semiconductor device includes a metal interconnection and a metal resistor. The device is made by forming a lower interconnection of copper within an insulating layer, forming a capping layer on the insulating layer to cover and protect the lower interconnection, forming a window in the capping layer to selectively expose a top surface of the lower interconnection, and forming a metal resistor on the capping layer and which contacts the top surface of the lower interconnection through the window. Then an electrical contact is formed in the insulating layer. Alternatively, the metal resistor may be formed on the insulating layer after the electrical contact is formed.
    Type: Application
    Filed: April 15, 2004
    Publication date: December 2, 2004
    Inventors: Mu-Kyeng Jung, Kyung-Tae Lee, Jeong-Hoon Ahn
  • Publication number: 20040137694
    Abstract: Embodiments of the invention include a MIM capacitor that has a high capacitance that can be manufactured without the problems that affected the prior art. Such a capacitor includes an upper electrode, a lower electrode, and a dielectric layer that is intermediate the upper and the lower electrodes. A first voltage can be applied to the upper electrode and a second voltage, which is different from the first voltage, can be applied to the lower electrode. A wire layer, through which the first voltage is applied to the upper electrode, is located in the same level as or in a lower level than the lower electrode.
    Type: Application
    Filed: October 16, 2003
    Publication date: July 15, 2004
    Inventors: Kyoung-Woo Lee, Wan-Jae Park, Jeong-Hoon Ahn, Kyung-Tae Lee, Mu-Kyeng Jung, Yong-Jun Lee, Il-Goo Kim, Soo-Geun Lee
  • Publication number: 20040075131
    Abstract: Embodiments of the invention include a MIM capacitor that has a high capacitance that can be manufactured without the problems that affected the prior art. Such a capacitor includes an upper electrode, a lower electrode, and a dielectric layer that is intermediate the upper and the lower electrodes. A first voltage can be applied to the upper electrode and a second voltage, which is different from the first voltage, can be applied to the lower electrode. A wire layer, through which the first voltage is applied to the upper electrode, is located in the same level as or in a lower level than the lower electrode.
    Type: Application
    Filed: October 3, 2003
    Publication date: April 22, 2004
    Inventors: Jeong-Hoon Ahn, Kyungtae Lee, Mu-Kyung Jung, Yong-Jun Lee