Patents by Inventor Akihisa Kuroyanagi

Akihisa Kuroyanagi 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: 11195790
    Abstract: A fan-out semiconductor package includes: a frame including insulating layers, wiring layers, and connection via layers, and having a recess portion and a stopper layer disposed on a bottom surface of the recess portion; a semiconductor chip disposed in the recess portion; a resin layer disposed on an active surface of the semiconductor chip; an encapsulant covering at least portions of side surfaces of the semiconductor chip and the resin layer and filling at least portions of the recess portion; a first redistribution layer disposed on the resin layer and the encapsulant; first redistribution vias penetrating through the resin layer to fill via holes in the resin layer exposing at least portions of the connection pads and electrically connecting the connection pads and the first redistribution layer to each other; and a connection member disposed on the resin layer and the encapsulant and including one or more second redistribution layers.
    Type: Grant
    Filed: November 15, 2019
    Date of Patent: December 7, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Akihisa Kuroyanagi, Jun Woo Myung, Eun Sil Kim, Yeong A Kim
  • Patent number: 10854528
    Abstract: A semiconductor package including an organic interposer includes: first and second semiconductor chips each having active surfaces having connection pads disposed thereon; the organic interposer disposed on the active surfaces of the first and second semiconductor chips and including a wiring layer electrically connected to the connection pads; barrier layers disposed on side surfaces of the first and second semiconductor chips; and an encapsulant encapsulating at least portions of the first and second semiconductor chips.
    Type: Grant
    Filed: January 17, 2020
    Date of Patent: December 1, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun Woo Myung, Akihisa Kuroyanagi, Yeong A Kim, Eun Sil Kim
  • Patent number: 10692791
    Abstract: An electronic component package includes a core member including an insulating layer, and having a first through-hole passing through the insulating layer, a semiconductor chip disposed in the first through-hole, and having an active surface on which a connection pad is disposed, and an inactive surface opposing the active surface, an encapsulant encapsulating the core member and the semiconductor chip, and filling at least a portion of the first through-hole, a connection member disposed on the core member and the semiconductor chip, and including a redistribution layer electrically connected to the connection pad, a backside metal layer disposed on the encapsulant, and covering at least the inactive surface of the semiconductor chip, and a backside metal via passing through the encapsulant, and connecting the backside metal layer to one side of the insulating layer. The backside metal via is in contact with the one side of the insulating layer.
    Type: Grant
    Filed: November 1, 2018
    Date of Patent: June 23, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Akihisa Kuroyanagi, Jun Woo Myung, Jae Kul Lee
  • Publication number: 20200152538
    Abstract: A semiconductor package including an organic interposer includes: first and second semiconductor chips each having active surfaces having connection pads disposed thereon; the organic interposer disposed on the active surfaces of the first and second semiconductor chips and including a wiring layer electrically connected to the connection pads; barrier layers disposed onside surfaces of the first and second semiconductor chips; and an encapsulant encapsulating at least portions of the first and second semiconductor chips.
    Type: Application
    Filed: January 17, 2020
    Publication date: May 14, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun Woo MYUNG, Akihisa KUROYANAGI, Yeong A. KIM, Eun Sil KIM
  • Publication number: 20200083163
    Abstract: A fan-out semiconductor package includes: a frame including insulating layers, wiring layers, and connection via layers, and having a recess portion and a stopper layer disposed on a bottom surface of the recess portion; a semiconductor chip disposed in the recess portion; a resin layer disposed on an active surface of the semiconductor chip; an encapsulant covering at least portions of side surfaces of the semiconductor chip and the resin layer and filling at least portions of the recess portion; a first redistribution layer disposed on the resin layer and the encapsulant; first redistribution vias penetrating through the resin layer to fill via holes in the resin layer exposing at least portions of the connection pads and electrically connecting the connection pads and the first redistribution layer to each other; and a connection member disposed on the resin layer and the encapsulant and including one or more second redistribution layers.
    Type: Application
    Filed: November 15, 2019
    Publication date: March 12, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Akihisa KUROYANAGI, Jun Woo MYUNG, Eun Sil KIM, Yeong A KIM
  • Patent number: 10541187
    Abstract: A semiconductor package including an organic interposer includes: first and second semiconductor chips each having active surfaces having connection pads disposed thereon; the organic interposer disposed on the active surfaces of the first and second semiconductor chips and including a wiring layer electrically connected to the connection pads; barrier layers disposed onside surfaces of the first and second semiconductor chips; and an encapsulant encapsulating at least portions of the first and second semiconductor chips.
    Type: Grant
    Filed: April 11, 2018
    Date of Patent: January 21, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun Woo Myung, Akihisa Kuroyanagi, Yeong A Kim, Eun Sil Kim
  • Patent number: 10504836
    Abstract: A fan-out semiconductor package includes: a frame including insulating layers, wiring layers, and connection via layers, and having a recess portion and a stopper layer disposed on a bottom surface of the recess portion; a semiconductor chip disposed in the recess portion; a resin layer disposed on an active surface of the semiconductor chip; an encapsulant covering at least portions of side surfaces of the semiconductor chip and the resin layer and filling at least portions of the recess portion; a first redistribution layer disposed on the resin layer and the encapsulant; first redistribution vias penetrating through the resin layer to fill via holes in the resin layer exposing at least portions of the connection pads and electrically connecting the connection pads and the first redistribution layer to each other; and a connection member disposed on the resin layer and the encapsulant and including one or more second redistribution layers.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: December 10, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Akihisa Kuroyanagi, Jun Woo Myung, Eun Sil Kim, Yeong A Kim
  • Publication number: 20190371692
    Abstract: An electronic component package includes a core member including an insulating layer, and having a first through-hole passing through the insulating layer, a semiconductor chip disposed in the first through-hole, and having an active surface on which a connection pad is disposed, and an inactive surface opposing the active surface, an encapsulant encapsulating the core member and the semiconductor chip, and filling at least a portion of the first through-hole, a connection member disposed on the core member and the semiconductor chip, and including a redistribution layer electrically connected to the connection pad, a backside metal layer disposed on the encapsulant, and covering at least the inactive surface of the semiconductor chip, and a backside metal via passing through the encapsulant, and connecting the backside metal layer to one side of the insulating layer. The backside metal via is in contact with the one side of the insulating layer.
    Type: Application
    Filed: November 1, 2018
    Publication date: December 5, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Akihisa KUROYANAGI, Jun Woo MYUNG, Jae Kul LEE
  • Patent number: 10475776
    Abstract: A fan-out semiconductor package module includes a core member having first and second through-holes. A semiconductor chip is in the first through-hole and has an active surface with a connection pad and an inactive surface opposing the active surface. Another passive component is in the second through-hole. An first encapsulant covers at least portions of the core member and the passive component, and fills at least a portion of the second through-hole. A reinforcing member is on the first encapsulant. A second encapsulant covers at least a portion of the semiconductor chip, and fills at least a portion of the first through-hole. A connection member is on the core member, the active surface of the semiconductor chip, and the passive component, and includes a redistribution layer electrically connected to the connection pad and the passive component.
    Type: Grant
    Filed: February 20, 2018
    Date of Patent: November 12, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yeong A Kim, Eun Sil Kim, Young Gwan Ko, Akihisa Kuroyanagi, Jin Su Kim, Jun Woo Myung
  • Publication number: 20190252311
    Abstract: A fan-out semiconductor package includes: a frame including insulating layers, wiring layers, and connection via layers, and having a recess portion and a stopper layer disposed on a bottom surface of the recess portion; a semiconductor chip disposed in the recess portion; a resin layer disposed on an active surface of the semiconductor chip; an encapsulant covering at least portions of side surfaces of the semiconductor chip and the resin layer and filling at least portions of the recess portion; a first redistribution layer disposed on the resin layer and the encapsulant; first redistribution vias penetrating through the resin layer to fill via holes in the resin layer exposing at least portions of the connection pads and electrically connecting the connection pads and the first redistribution layer to each other; and a connection member disposed on the resin layer and the encapsulant and including one or more second redistribution layers.
    Type: Application
    Filed: August 2, 2018
    Publication date: August 15, 2019
    Inventors: Akihisa KUROYANAGI, Jun Woo MYUNG, Eun Sil KIM, Yeong A KIM
  • Publication number: 20190139851
    Abstract: A semiconductor package including an organic interposer includes: first and second semiconductor chips each having active surfaces having connection pads disposed thereon; the organic interposer disposed on the active surfaces of the first and second semiconductor chips and including a wiring layer electrically connected to the connection pads; barrier layers disposed onside surfaces of the first and second semiconductor chips; and an encapsulant encapsulating at least portions of the first and second semiconductor chips.
    Type: Application
    Filed: April 11, 2018
    Publication date: May 9, 2019
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jun Woo MYUNG, Akihisa KUROYANAGI, Yeong A KIM, Eun Sil KIM
  • Publication number: 20190131285
    Abstract: A fan-out semiconductor package module includes a core member having first and second through-holes. A semiconductor chip is in the first through-hole and has an active surface with a connection pad and an inactive surface opposing the active surface. Another passive component is in the second through-hole. An first encapsulant covers at least portions of the core member and the passive component, and fills at least a portion of the second through-hole. A reinforcing member is on the first encapsulant. A second encapsulant covers at least a portion of the semiconductor chip, and fills at least a portion of the first through-hole. A connection member is on the core member, the active surface of the semiconductor chip, and the passive component, and includes a redistribution layer electrically connected to the connection pad and the passive component.
    Type: Application
    Filed: February 20, 2018
    Publication date: May 2, 2019
    Inventors: Yeong A KIM, Eun Sil KIM, Young Gwan KO, Akihisa KUROYANAGI, Jin Su KIM, Jun Woo MYUNG
  • Publication number: 20070049679
    Abstract: A fly ash powder containing substantially no silanol group, wherein electric conductivity of water extract after soaking of 10 g of the fly ash powder in 100 ml of a pure water at 20° C. for 6 hours is 200 ?S/cm or less. A fly ash powder in which the ionic impurity content is reduced and is excellent in affinity (wettability) for various resins is provided.
    Type: Application
    Filed: March 11, 2004
    Publication date: March 1, 2007
    Applicant: NITTO DENKO CORPORATION
    Inventors: Akihisa Kuroyanagi, Shuji Nishimori, Tsuyoshi Yamaji
  • Patent number: 6933618
    Abstract: A tablet for producing a semiconductor device with substantially no bowing, comprising an epoxy resin composition comprising an epoxy resin and a curing agent, wherein the tablet has the characteristic of an amount reduced by heating being less than 0.05% by weight; a wafer with a resin layer and a semiconductor device produced by using the tablet; and a process for producing the wafer and the semiconductor device.
    Type: Grant
    Filed: May 12, 2004
    Date of Patent: August 23, 2005
    Assignee: Nitto Denko Corporation
    Inventors: Akihisa Kuroyanagi, Hisataka Ito, Shinichirou Sudo, Hirofumi Oono
  • Patent number: 6852263
    Abstract: A tablet for producing a semiconductor device with substantially no bowing, comprising an epoxy resin composition comprising an epoxy resin and a curing agent, wherein the tablet has the characteristic of an amount reduced by heating being less than 0.05% by weight; a wafer with a resin layer and a semiconductor device produced by using the tablet; and a process for producing the wafer and the semiconductor device.
    Type: Grant
    Filed: September 16, 2003
    Date of Patent: February 8, 2005
    Assignee: Nitto Denko Corporation
    Inventors: Akihisa Kuroyanagi, Hisataka Ito, Shinichirou Sudo, Hirofumi Oono
  • Publication number: 20040210008
    Abstract: A tablet for producing a semiconductor device with substantially no bowing, comprising an epoxy resin composition comprising an epoxy resin and a curing agent, wherein the tablet has the characteristic of an amount reduced by heating being less than 0.05% by weight; a wafer with a resin layer and a semiconductor device produced by using the tablet; and a process for producing the wafer and the semiconductor device.
    Type: Application
    Filed: May 12, 2004
    Publication date: October 21, 2004
    Applicant: Nitto Denko Corporation
    Inventors: Akihisa Kuroyanagi, Hisataka Ito, Shinichirou Sudo, Hirofumi Oono
  • Publication number: 20040052933
    Abstract: A tablet for producing a semiconductor device with substantially no bowing, comprising an epoxy resin composition comprising an epoxy resin and a curing agent, wherein the tablet has the characteristic of an amount reduced by heating being less than 0.05% by weight; a wafer with a resin layer and a semiconductor device produced by using the tablet; and a process for producing the wafer and the semiconductor device.
    Type: Application
    Filed: September 16, 2003
    Publication date: March 18, 2004
    Applicant: NITTO DENKO CORPORATION
    Inventors: Akihisa Kuroyanagi, Hisataka Ito, Shinichirou Sudo, Hirofumi Oono
  • Patent number: 6646063
    Abstract: A tablet for producing a semiconductor device with substantially no bowing, comprising an epoxy resin composition comprising an epoxy resin and a curing agent, wherein the tablet has the characteristic of an amount reduced by heating being less than 0.05% by weight; a wafer with a resin layer and a semiconductor device produced by using the tablet; and a process for producing the wafer and the semiconductor device.
    Type: Grant
    Filed: March 29, 2001
    Date of Patent: November 11, 2003
    Assignee: Nitto Denko Corporation
    Inventors: Akihisa Kuroyanagi, Hisataka Ito, Shinichirou Sudo, Hirofumi Oono
  • Publication number: 20010045671
    Abstract: A tablet for producing a semiconductor device with substantially no bowing, comprising an epoxy resin composition comprising an epoxy resin and a curing agent, wherein the tablet has the characteristic of an amount reduced by heating being less than 0.05% by weight; a wafer with a resin layer and a semiconductor device produced by using the tablet; and a process for producing the wafer and the semiconductor device.
    Type: Application
    Filed: March 29, 2001
    Publication date: November 29, 2001
    Inventors: Akihisa Kuroyanagi, Hisataka Ito, Shinichirou Sudo, Hirofumi Oono