Patents by Inventor Jeong-O Ha

Jeong-O Ha 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: 7776650
    Abstract: Embodiments of the invention provide a method for fabricating a system in package. In one embodiment, the method comprises preparing a printed circuit board (PCB) strip comprising a plurality of individual PCBs, stacking a plurality of first semiconductor chips and forming an encapsulant on a first surface of a first individual PCB of the plurality of individual PCBs to form a first semiconductor chip stack structure comprising a first semiconductor chip stack, and performing a first test adapted to test one of the first semiconductor chips in the first semiconductor chip stack. The method further comprises flip chip bonding a second semiconductor chip to a second surface of the first individual PCB if the first semiconductor chip stack structure meets a test standard based on a result of the first test, and dividing the first semiconductor chip stack structure to form a system in package.
    Type: Grant
    Filed: March 16, 2009
    Date of Patent: August 17, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Heung-Kyu Kwon, Tae-Hun Kim, Jeong-O Ha
  • Patent number: 7723836
    Abstract: A chip stack structure having a shielding capability may comprise a wiring substrate, the wiring substrate including a ground layer. The structure may also comprise a first chip attached on an upper surface of the wiring substrate and electrically connected to the ground layer. The structure may also comprise a plurality of first bonding wires which electrically connect the first chip to the wiring substrate. The structure may also comprise a shield plate attached to the first chip and detached from at least one of the plurality of first bonding wires, the shield plate being configured to cover the first chip and at least one of the plurality of first bonding wires. The structure may also comprise a grounding wire which connects the shield plate to the ground layer of the wiring substrate. The structure may also comprise a second chip attached to and supported by the shield plate.
    Type: Grant
    Filed: October 12, 2006
    Date of Patent: May 25, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Houng-Kyu Kwon, Jeong-O Ha
  • Publication number: 20090181498
    Abstract: Embodiments of the invention provide a method for fabricating a system in package. In one embodiment, the method comprises preparing a printed circuit board (PCB) strip comprising a plurality of individual PCBs, stacking a plurality of first semiconductor chips and forming an encapsulant on a first surface of a first individual PCB of the plurality of individual PCBs to form a first semiconductor chip stack structure comprising a first semiconductor chip stack, and performing a first test adapted to test one of the first semiconductor chips in the first semiconductor chip stack. The method further comprises flip chip bonding a second semiconductor chip to a second surface of the first individual PCB if the first semiconductor chip stack structure meets a test standard based on a result of the first test, and dividing the first semiconductor chip stack structure to form a system in package.
    Type: Application
    Filed: March 16, 2009
    Publication date: July 16, 2009
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Heung-Kyu Kwon, Tae-Hun Kim, Jeong-O Ha
  • Patent number: 7541680
    Abstract: Disclosed is a semiconductor device packaging technique that is capable of resolving a problem of instability of bonding wires when stacking a plurality of semiconductor chips. The technique is also capable of realizing a slim, light and small package. The semiconductor device package includes a substrate having a substrate pad on a surface thereof, one or more memory chips stacked on the substrate with each memory chip having a pad connected to a common pin receiving a common signal applied to all the memory chips, an interposer chip stacked on the substrate and having an interconnection wire connected to the memory chip pad, the common pin of each of the memory chips being electrically connected to the interconnection wire via the memory chip pad, and a logic chip stacked on the substrate and having a bypass circuit which electrically connects or disconnects the interconnection wire to or from the substrate pad.
    Type: Grant
    Filed: August 25, 2006
    Date of Patent: June 2, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Heung-kyu Kwon, Se-nyun Kim, Tae-hun Kim, Jeong-o Ha, Hak-kyoon Byun, Sung-yong Park
  • Patent number: 7517723
    Abstract: Embodiments of the invention provide a method for fabricating a system in package. In one embodiment, the method comprises preparing a printed circuit board (PCB) strip comprising a plurality of individual PCBs, stacking a plurality of first semiconductor chips and forming an encapsulant on a first surface of a first individual PCB of the plurality of individual PCBs to form a first semiconductor chip stack structure comprising a first semiconductor chip stack, and performing a first test adapted to test one of the first semiconductor chips in the first semiconductor chip stack. The method further comprises flip chip bonding a second semiconductor chip to a second surface of the first individual PCB if the first semiconductor chip stack structure meets a test standard based on a result of the first test, and dividing the first semiconductor chip stack structure to form a system in package.
    Type: Grant
    Filed: October 19, 2006
    Date of Patent: April 14, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Heung-Kyu Kwon, Tae-Hun Kim, Jeong-O Ha
  • Publication number: 20080211078
    Abstract: A stacked semiconductor package can be formed according to principles of the present invention by stacking a plurality of semiconductor packages. A method of manufacturing the stacked semiconductor packages provides a simple manufacturing process. The stacked semiconductor package embodying these principles preferably includes a base substrate, one or more lower semiconductor packages, one or more upper semiconductor packages, and an external sealing agent. Each lower semiconductor package can include a first inner substrate, one or more first semiconductor chips electrically connected to and mounted on the first inner substrate, a first inner sealing agent sealing the first semiconductor chips, and a first contact portion. Each lower semiconductor package is preferably mounted on a portion of an upper surface of the base substrate and is electrically connected to the base substrate via the first contact portion.
    Type: Application
    Filed: November 20, 2007
    Publication date: September 4, 2008
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Heung-Kyu KWON, Jeong-O HA
  • Publication number: 20070161153
    Abstract: Embodiments of the invention provide a method for fabricating a system in package. In one embodiment, the method comprises preparing a printed circuit board (PCB) strip comprising a plurality of individual PCBs, stacking a plurality of first semiconductor chips and forming an encapsulant on a first surface of a first individual PCB of the plurality of individual PCBs to form a first semiconductor chip stack structure comprising a first semiconductor chip stack, and performing a first test adapted to test one of the first semiconductor chips in the first semiconductor chip stack. The method further comprises flip chip bonding a second semiconductor chip to a second surface of the first individual PCB if the first semiconductor chip stack structure meets a test standard based on a result of the first test, and dividing the first semiconductor chip stack structure to form a system in package.
    Type: Application
    Filed: October 19, 2006
    Publication date: July 12, 2007
    Inventors: Heung-Kyu Kwon, Tae-Hun Kim, Jeong-O Ha
  • Publication number: 20070096335
    Abstract: A chip stack structure having a shielding capability may comprise a wiring substrate, the wiring substrate including a ground layer. The structure may also comprise a first chip attached on an upper surface of the wiring substrate and electrically connected to the ground layer. The structure may also comprise a plurality of first bonding wires which electrically connect the first chip to the wiring substrate. The structure may also comprise a shield plate attached to the first chip and detached from at least one of the plurality of first bonding wires, the shield plate being configured to cover the first chip and at least one of the plurality of first bonding wires. The structure may also comprise a grounding wire which connects the shield plate to the ground layer of the wiring substrate. The structure may also comprise a second chip attached to and supported by the shield plate.
    Type: Application
    Filed: October 12, 2006
    Publication date: May 3, 2007
    Inventors: Houng-Kyu Kwon, Jeong-O Ha
  • Publication number: 20070045828
    Abstract: Disclosed is a semiconductor device packaging technique that is capable of resolving a problem of instability of bonding wires when stacking a plurality of semiconductor chips. The technique is also capable of realizing a slim, light and small package. The semiconductor device package includes a substrate having a substrate pad on a surface thereof, one or more memory chips stacked on the substrate with each memory chip having a pad connected to a common pin receiving a common signal applied to all the memory chips, an interposer chip stacked on the substrate and having an interconnection wire connected to the memory chip pad, the common pin of each of the memory chips being electrically connected to the interconnection wire via the memory chip pad, and a logic chip stacked on the substrate and having a bypass circuit which electrically connects or disconnects the interconnection wire to or from the substrate pad.
    Type: Application
    Filed: August 25, 2006
    Publication date: March 1, 2007
    Inventors: Heung-kyu Kwon, Se-nyun Kim, Tae-hun Kim, Jeong-o Ha, Hak-kyoon Byun, Sung-yong Park
  • Publication number: 20060102992
    Abstract: A multi-chip package includes a substrate having first and second substrate pads, ball pads electrically connected to the first and second substrate pads, a first chip attached on the substrate and having first chip pads flip-chip bonded to the first substrate pads, and a second chip attached on the first chip and having second chip pads wire-bonded to the second substrate pads. The second chip may have overhang portions. Solder balls may be formed on the ball pads and act as external connection terminals. A support member may be interposed between the first chip and the second chip to support the overhang portions of the second chip.
    Type: Application
    Filed: October 25, 2005
    Publication date: May 18, 2006
    Inventors: Heung-Kyu Kwon, Se-Nyun Kim, Jeong-O Ha