Patents by Inventor Ki-Jun Sung

Ki-Jun Sung 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: 10658332
    Abstract: A stack package includes a second sub-package stacked on a first sub-package. The stack package also includes a plurality of dummy balls located between the first and second sub-packages to support the second sub-package. Each of the first and second sub-packages includes a semiconductor die and a bridge, die which are spaced apart from each other.
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: May 19, 2020
    Assignee: SK hynix Inc.
    Inventors: Ki Jun Sung, Jong Hoon Kim
  • Patent number: 10643973
    Abstract: Semiconductor packages are provided. The semiconductor package includes a first semiconductor chip to which a first elevated pillar bump is connected, a second semiconductor chip stacked on the first semiconductor chip to leave revealed the first elevated pillar bump and configured to include a first chip pad disposed on a center region of the second semiconductor chip, a third semiconductor chip offset and stacked on the second semiconductor chip to leave revealed the first chip pad, and a chip supporter supporting an overhang of the third semiconductor chip.
    Type: Grant
    Filed: September 24, 2018
    Date of Patent: May 5, 2020
    Assignee: SK hynix Inc.
    Inventor: Ki Jun Sung
  • Publication number: 20200091123
    Abstract: A semiconductor package includes first and second semiconductor dies, first and second redistributed line structures, a first bridge die, and a vertical connector. The first semiconductor die and the first bridge die are disposed on the first redistributed line structure. The first bridge die is disposed to provide a level difference between the first semiconductor die and the first bridge die, the first bridge die having a height that is less than a height of the first semiconductor die. The second redistributed line structure has a protrusion, laterally protruding from a side surface of the first semiconductor die when viewed from a plan view, and a bottom surface of the second redistributed line structure is in contact with a top surface of the first semiconductor die. The second semiconductor die is disposed on the second redistributed line structure. The vertical connector is disposed between the bridge die and the protrusion of the second redistributed line structure to support the protrusion.
    Type: Application
    Filed: November 21, 2019
    Publication date: March 19, 2020
    Applicant: SK hynix Inc.
    Inventors: Ki Jun SUNG, Sung Kyu KIM, Sang Hyuk LIM
  • Publication number: 20200075490
    Abstract: A stack package includes a plurality of sub-packages vertically stacked. Each of the sub-packages includes a bridge die having a plurality of vertical interconnectors and a semiconductor die. A first group of vertical interconnectors disposed in a first bridge die included in a first sub-package of the sub-packages and other vertical interconnectors connected to the first group of vertical interconnectors constitute a first electric path, and a second group of vertical interconnectors disposed in a second bridge die included in a second sub-package of the sub-packages and other vertical interconnectors connected to the second group of vertical interconnectors constitute a second electric path. The first and second electric paths are electrically isolated from each other and disposed to provide two separate electric paths.
    Type: Application
    Filed: December 11, 2018
    Publication date: March 5, 2020
    Applicant: SK hynix Inc.
    Inventors: Ki Jun SUNG, Ha Gyeong SONG
  • Publication number: 20200075542
    Abstract: A stack package includes a second sub-package stacked on a first sub-package. The stack package also includes a plurality of dummy balls located between the first and second sub-packages to support the second sub-package. Each of the first and second sub-packages includes a semiconductor die and a bridge, die which are spaced apart from each other.
    Type: Application
    Filed: December 13, 2018
    Publication date: March 5, 2020
    Applicant: SK hynix Inc.
    Inventors: Ki Jun SUNG, Jong Hoon KIM
  • Patent number: 10553567
    Abstract: A chip stack package includes first and second semiconductor chips. A first redistribution line structure is disposed on a front surface of the first semiconductor chip, and the first redistribution line structure extends onto a side surface of the first semiconductor chip. A second redistribution line structure is disposed on the front surface of the first semiconductor chip, and the second redistribution line structure extends onto the side surface of the first semiconductor chip. A third redistribution line structure is disposed on a front surface of the second semiconductor chip, and the third redistribution line structure extends onto a side surface of the second semiconductor chip to be electrically connected to the second redistribution line structure.
    Type: Grant
    Filed: November 7, 2018
    Date of Patent: February 4, 2020
    Assignee: SK hynix Inc.
    Inventors: Ki Jun Sung, Ki Bum Kim
  • Publication number: 20190333834
    Abstract: A semiconductor package includes a semiconductor die and a bridge die. The bridge die includes through vias, and the through vias are connected to post bumps. The through vias are electrically connected to the semiconductor die by redistribution lines.
    Type: Application
    Filed: November 20, 2018
    Publication date: October 31, 2019
    Applicant: SK hynix Inc.
    Inventors: Ki Jun SUNG, Sungkyu KIM
  • Publication number: 20190319009
    Abstract: A chip stack package includes first and second semiconductor chips. A first redistribution line structure is disposed on a front surface of the first semiconductor chip and the first redistribution line structure extends onto a side surface of the first semiconductor chip. A second redistribution line structure is disposed on the front surface of the first semiconductor chip, and the second redistribution line structure extends onto the side surface of the first semiconductor chip. A third redistribution line structure is disposed on a front surface of the second semiconductor chip, and the third redistribution line structure extends onto a side surface of the second semiconductor chip to be electrically connected to the second redistribution line structure.
    Type: Application
    Filed: November 7, 2018
    Publication date: October 17, 2019
    Applicant: SK hynix Inc.
    Inventors: Ki Jun SUNG, Ki Bum KIM
  • Publication number: 20190221543
    Abstract: Semiconductor packages are provided. The semiconductor package includes a first semiconductor chip to which a first elevated pillar bump is connected, a second semiconductor chip stacked on the first semiconductor chip to leave revealed the first elevated pillar bump and configured to include a first chip pad disposed on a center region of the second semiconductor chip, a third semiconductor chip offset and stacked on the second semiconductor chip to leave revealed the first chip pad, and a chip supporter supporting an overhang of the third semiconductor chip.
    Type: Application
    Filed: September 24, 2018
    Publication date: July 18, 2019
    Applicant: SK hynix Inc.
    Inventor: Ki Jun SUNG
  • Patent number: 10170456
    Abstract: A semiconductor package may be provided. The semiconductor package may include a first semiconductor chip and a second semiconductor chip disposed on an interconnection layer. The semiconductor package may include a heat transferring block disposed between the first and second semiconductor chips to be mounted on the interconnection layer. Related methods are also provided.
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: January 1, 2019
    Assignee: SK hynix Inc.
    Inventors: Ki Jun Sung, Rae Hyung Jeong
  • Publication number: 20180175011
    Abstract: A semiconductor package may be provided. The semiconductor package may include a first semiconductor chip and a second semiconductor chip disposed on an interconnection layer. The semiconductor package may include a heat transferring block disposed between the first and second semiconductor chips to be mounted on the interconnection layer. Related methods are also provided.
    Type: Application
    Filed: June 28, 2017
    Publication date: June 21, 2018
    Applicant: SK hynix Inc.
    Inventors: Ki Jun SUNG, Rae Hyung JEONG
  • Patent number: 9922965
    Abstract: A semiconductor package structure and a method for manufacturing the same are provided. According to the method, a first mold layer is formed to cover a first semiconductor chip and a first bumps. A portion of the first mold layer is removed to expose top portions of the first bumps and second bumps are disposed to be connected to each of the first bumps. A second mold layer is formed, and the second mold layer is recessed to form through mold connectors that substantially penetrate the second mold layer with the second bumps disposed on the first bumps.
    Type: Grant
    Filed: April 13, 2017
    Date of Patent: March 20, 2018
    Assignee: SK hynix Inc.
    Inventors: Jong Hoon Kim, Ki Jun Sung, Young Geun Yoo, Hyeong Seok Choi
  • Patent number: 9847322
    Abstract: There is provided a structure and a method of manufacturing a semiconductor package. The method includes disposing a first semiconductor device and through mold ball connectors (TMBCs) on a first surface of an interconnection structure layer, recessing a molding layer on the first surface of the interconnection structure layer to expose a portion of each of the TMBCs, attaching outer connectors to the exposed portions of the TMBCs, and mounting a second semiconductor device on a second surface of the interconnection structure layer opposite to the molding layer.
    Type: Grant
    Filed: January 6, 2017
    Date of Patent: December 19, 2017
    Assignee: SK hynix Inc.
    Inventors: Ki Jun Sung, Jong Hoon Kim, Yeon Seung Jung, Hyeong Seok Choi
  • Patent number: 9847285
    Abstract: There may be provided a method of manufacturing a semiconductor package. The method may include disposing a first semiconductor device and through mold ball connectors (TMBCs) on a first surface of an interconnection structure layer, forming a molding layer on the first surface of the interconnection structure layer to expose a portion of each of the TMBCs, attaching outer connectors to the exposed portions of the TMBCs, mounting a second semiconductor device on a second surface of the interconnection structure layer opposite to the molding layer, and attaching a heat spreader to the second surface of the interconnection structure layer to overlap with a portion of the first semiconductor device.
    Type: Grant
    Filed: February 17, 2017
    Date of Patent: December 19, 2017
    Assignee: SK hynix Inc.
    Inventors: Ki Jun Sung, Jong Hoon Kim, Han Jun Bae
  • Publication number: 20170352612
    Abstract: There may be provided a method of manufacturing a semiconductor package. The method may include disposing a first semiconductor device and through mold ball connectors (TMBCs) on a first surface of an interconnection structure layer, forming a molding layer on the first surface of the interconnection structure layer to expose a portion of each of the TMBCs, attaching outer connectors to the exposed portions of the TMBCs, mounting a second semiconductor device on a second surface of the interconnection structure layer opposite to the molding layer, and attaching a heat spreader to the second surface of the interconnection structure layer to overlap with a portion of the first semiconductor device.
    Type: Application
    Filed: February 17, 2017
    Publication date: December 7, 2017
    Applicant: SK hynix Inc.
    Inventors: Ki Jun SUNG, Jong Hoon KIM, Han Jun BAE
  • Patent number: 9837360
    Abstract: Wafer level packages are provided. The wafer level package includes alignment marks disposed at a first surface of a protection wafer, a semiconductor die disposed on the first surface of the protection wafer to be spaced apart from the alignment marks, a first photosensitive dielectric layer covering the semiconductor die and having a flat top surface, and a second dielectric layer covering the flat top surface of the first photosensitive dielectric layer. Redistribution lines are disposed between the first photosensitive dielectric layer and the second dielectric layer and electrically connected to the semiconductor die through first opening portions penetrating the first photosensitive dielectric layer. Outer connectors are disposed on the second dielectric layer and electrically connected to the redistribution lines through second opening portions penetrating the second dielectric layer.
    Type: Grant
    Filed: August 22, 2016
    Date of Patent: December 5, 2017
    Assignee: SK hynix Inc.
    Inventors: Hyeong Seok Choi, Ki Jun Sung, Jong Hoon Kim, Young Geun Yoo, Pil Soon Bae
  • Publication number: 20170338205
    Abstract: There is provided a structure and a method of manufacturing a semiconductor package. The method includes disposing a first semiconductor device and through mold ball connectors (TMBCs) on a first surface of an interconnection structure layer, recessing a molding layer on the first surface of the interconnection structure layer to expose a portion of each of the TMBCs, attaching outer connectors to the exposed portions of the TMBCs, and mounting a second semiconductor device on a second surface of the interconnection structure layer opposite to the molding layer.
    Type: Application
    Filed: January 6, 2017
    Publication date: November 23, 2017
    Inventors: Ki Jun SUNG, Jong Hoon KIM, Yeon Seung JUNG, Hyeong Seok CHOI
  • Patent number: 9806015
    Abstract: A semiconductor package includes first bump pads on a first surface of an interconnection structure layer, elevated pads thicker than the first bump pads on the first surface of the interconnection structure layer, a first semiconductor device connected on the first bump pads, through mold ball connectors connected on the elevated pads, respectively, a molding layer disposed covering the first surface of the interconnection structure layer to expose a portion of each of the through mold ball connectors, outer connectors respectively attached to the through mold ball connectors, and a second semiconductor device on a second surface of the interconnection structure layer opposite to the molding layer.
    Type: Grant
    Filed: January 30, 2017
    Date of Patent: October 31, 2017
    Assignee: SK hynix Inc.
    Inventors: Ki Jun Sung, Jong Hoon Kim, Han Jun Bae
  • Publication number: 20170221868
    Abstract: A semiconductor package structure and a method for manufacturing the same are provided. According to the method, a first mold layer is formed to cover a first semiconductor chip and a first bumps. A portion of the first mold layer is removed to expose top portions of the first bumps and second bumps are disposed to be connected to each of the first bumps. A second mold layer is formed, and the second mold layer is recessed to form through mold connectors that substantially penetrate the second mold layer with the second bumps disposed on the first bumps.
    Type: Application
    Filed: April 13, 2017
    Publication date: August 3, 2017
    Applicant: SK hynix Inc.
    Inventors: Jong Hoon KIM, Ki Jun SUNG, Young Geun YOO, Hyeong Seok CHOI
  • Publication number: 20170170127
    Abstract: According to various embodiments, there may be provided packages, semiconductors, and wafer level packages, and there may be provided methods of manufacturing packages, semiconductors, and wafer level packages. A method of manufacturing a wafer level package may include forming alignment marks at a surface of a protection wafer, mounting semiconductor dice on the protection wafer using the alignment marks, forming a first dielectric layer covering the semiconductor dice, planarizing a top surface of the first photosensitive layer, exposuring and developing portions of the planarized first dielectric layer to form opening portions exposing portions of the semiconductor dice, and forming redistribution lines on the first photosensitive dielectric layer. A second dielectric layer may be formed to cover the redistribution lines. Related wafer level packages may also be provided.
    Type: Application
    Filed: August 22, 2016
    Publication date: June 15, 2017
    Inventors: Hyeong Seok CHOI, Ki Jun SUNG, Jong Hoon KIM, Young Geun YOO, Pil Soon BAE