Patents by Inventor Seok Geun Ahn

Seok Geun 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).

  • Publication number: 20240128176
    Abstract: A semiconductor package includes; a semiconductor substrate including a device region and an edge region, a first redistribution layer on a lower surface of the semiconductor substrate, a second redistribution layer on an upper surface of the semiconductor substrate, through vias vertically penetrating the semiconductor substrate in the edge region to electrically connect the first redistribution layer and the second redistribution layer, and a circuit layer between the lower surface of the semiconductor substrate and the first redistribution layer. The circuit layer may include; a circuit element on the lower surface of the semiconductor substrate, a circuit wiring pattern electrically connected to the circuit element and the first redistribution layer, and a device interlayer dielectric layer substantially encompassing the circuit element and the circuit wiring pattern, wherein the circuit element and the circuit wiring pattern are disposed in the device region and not in the edge region.
    Type: Application
    Filed: September 15, 2023
    Publication date: April 18, 2024
    Inventor: SEOK GEUN AHN
  • Publication number: 20240063129
    Abstract: A semiconductor package includes a package substrate, an interposer substrate on the package substrate, first connection bumps between the package substrate and the interposer substrate, first and second semiconductor chips on the interposer substrate, second connection bumps between the interposer substrate and the first and second semiconductor chips, and an upper molding layer on the interposer substrate and at least partially surrounding the first semiconductor chip and the second semiconductor chip. The interposer substrate includes a plurality of sub-interposers horizontally spaced apart from each other and each including through electrodes, a lower molding layer in a space between the sub-interposers, and a redistribution layer electrically connected to the through electrodes on the sub-interposers and the lower molding layer. A sum of areas of the sub-interposers is less than a sum of areas of the first and second semiconductor chips.
    Type: Application
    Filed: April 13, 2023
    Publication date: February 22, 2024
    Inventors: Seok Geun Ahn, Seokhyun Lee, Yanggyoo Jung, Hwanyoung Choi
  • Publication number: 20240055337
    Abstract: A semiconductor package includes a first semiconductor chip having a first top surface and an opposite first bottom surface, first pads on the first top surface, each having a first width and a first height, second pads on the first top surface further outward from a center of the first semiconductor chip, each having a second width less than the first width and a second height greater than the first height. The semiconductor package further includes a second semiconductor chip having a second bottom surface which faces the first top surface and an opposite second top surface, third pads on the second bottom surface which are connected to the first pads, and fourth pads on the second bottom surface which are connected to the second pads. The second bottom surface is convex.
    Type: Application
    Filed: April 28, 2023
    Publication date: February 15, 2024
    Inventors: Hwan Young CHOI, Seok Hyun LEE, Jung Min KO, Seok Geun AHN
  • Publication number: 20240014117
    Abstract: A semiconductor package includes a first lower redistribution layer, a first upper redistribution layer over the first lower redistribution layer, a first semiconductor chip between the first lower redistribution layer and the first upper redistribution layer, a first connection post spaced apart from the first semiconductor chip and connecting the first lower redistribution layer to the first upper redistribution layer, a first interposition layer on the first upper redistribution layer, a second interposition layer on the first interposition layer, a second lower redistribution layer on the second interposition layer, a second upper redistribution layer over the second lower redistribution layer, a second semiconductor chip between the second lower redistribution layer and the second upper redistribution layer, and a second connection post spaced apart from each other and connecting the second lower redistribution layer to the second upper redistribution layer.
    Type: Application
    Filed: March 6, 2023
    Publication date: January 11, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seok Geun AHN, Hwanyoung Choi
  • Publication number: 20230060586
    Abstract: Disclosed are semiconductor packages and their fabrication methods. The semiconductor package comprises a package substrate, a redistribution layer on the package substrate, a vertical connection terminals that connects the package substrate to the redistribution layer, a first semiconductor chip between the package substrate and the redistribution layer, a first molding layer that fills a space between the package substrate and the redistribution layer, a second semiconductor chip on the redistribution layer, a third semiconductor chip on the second semiconductor chip, a first connection wire that directly and vertically connects the redistribution layer to a first chip pad of the third semiconductor chip, the first chip pad is beside the second semiconductor chip and on a bottom surface of the third semiconductor chip, and a second molding layer on the redistribution layer and covering the second semiconductor chip and the third semiconductor chip.
    Type: Application
    Filed: April 11, 2022
    Publication date: March 2, 2023
    Applicant: Samsung Electronics Co., Ltd.
    Inventor: Seok Geun AHN
  • Patent number: 11562965
    Abstract: A semiconductor package includes a first substrate, a first semiconductor chip disposed on the first substrate, a second substrate disposed on the first semiconductor chip, a second semiconductor chip disposed on the second substrate, and a mold layer disposed between the first substrate and the second substrate. The second substrate includes a recess formed at an edge, the mold layer fills the recess, and the recess protrudes concavely inward from the edge of the second substrate toward a center of the second substrate.
    Type: Grant
    Filed: December 28, 2020
    Date of Patent: January 24, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sun Chul Kim, Sang Soo Kim, Yong Kwan Lee, Hyun Ki Kim, Seok Geun Ahn, Jun Young Oh
  • Patent number: 11515262
    Abstract: A semiconductor package includes a first substrate including a first recess formed in a top surface of the first substrate, a first semiconductor chip disposed in the first recess and mounted on the first substrate, an interposer substrate disposed on the first semiconductor chip and including a second recess formed in a bottom surface of the interposer substrate, an adhesive layer disposed in the second recess and in contact with a top surface of the first semiconductor chip, a plurality of connection terminals spaced apart from the first recess and connecting the first substrate to the interposer substrate, and a molding layer disposed between the first substrate and the interposer substrate.
    Type: Grant
    Filed: December 22, 2020
    Date of Patent: November 29, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Juhyung Lee, Seok Geun Ahn, Sunchul Kim
  • Patent number: 11469133
    Abstract: A bonding apparatus includes a body part; a vacuum hole disposed in the body part; a first protruding part protruding in a first direction from a first surface of the body part; a second protruding part protruding from the first surface of the body part in the first direction and spaced farther apart from a center of the first surface of the body part than the first protruding part in a second direction intersecting with the first direction; and a trench defined by the first surface of the body part and second surfaces of the first protruding part, the second surfaces protruding in the first direction from the first surface of the body part, and the trench being connected to the vacuum hole, wherein the second protruding part protrudes farther from the first surface of the body part in the first direction than the first protruding part.
    Type: Grant
    Filed: March 2, 2020
    Date of Patent: October 11, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seok Geun Ahn, Min Keun Kwak, Ji Won Shin, Sang Hoon Lee, Byoung Wook Jang
  • Publication number: 20210398930
    Abstract: A semiconductor device includes a low-density substrate, a high-density patch positioned inside a cavity in the low-density substrate, a first semiconductor die, and a second semiconductor die. The first semiconductor dies includes high-density bumps and low-density bumps. The second semiconductor die includes high-density bumps and low-density bumps. The high-density bumps of the first semiconductor die and the high-density bumps of the second semiconductor die are electrically connected to the high-density patch. The low-density bumps of the first semiconductor die and the low-density bumps of the second semiconductor die are electrically connected to the low-density substrate.
    Type: Application
    Filed: May 24, 2021
    Publication date: December 23, 2021
    Inventors: Jae Hun Bae, Won Chul Do, Min Yoo, Young Rae Kim, Min Hwa Chang, Dong Hyun Kim, Ah Ra Jo, Seok Geun Ahn
  • Publication number: 20210375773
    Abstract: A semiconductor package includes a first substrate including a first recess formed in a top surface of the first substrate, a first semiconductor chip disposed in the first recess and mounted on the first substrate, an interposer substrate disposed on the first semiconductor chip and including a second recess formed in a bottom surface of the interposer substrate, an adhesive layer disposed in the second recess and in contact with a top surface of the first semiconductor chip, a plurality of connection terminals spaced apart from the first recess and connecting the first substrate to the interposer substrate, and a molding layer disposed between the first substrate and the interposer substrate.
    Type: Application
    Filed: December 22, 2020
    Publication date: December 2, 2021
    Inventors: JUHYUNG LEE, Seok Geun Ahn, Sunchul Kim
  • Publication number: 20210366834
    Abstract: A semiconductor package includes a first substrate, a first semiconductor chip disposed on the first substrate, a second substrate disposed on the first semiconductor chip, a second semiconductor chip disposed on the second substrate, and a mold layer disposed between the first substrate and the second substrate. The second substrate includes a recess formed at an edge, the mold layer fills the recess, and the recess protrudes concavely inward from the edge of the second substrate toward a center of the second substrate.
    Type: Application
    Filed: December 28, 2020
    Publication date: November 25, 2021
    Inventors: Sun Chul Kim, Sang Soo Kim, Yong Kwan Lee, Hyun Ki Kim, Seok Geun Ahn, Jun Young Oh
  • Patent number: 11018107
    Abstract: A semiconductor device includes a low-density substrate, a high-density patch positioned inside a cavity in the low-density substrate, a first semiconductor die, and a second semiconductor die. The first semiconductor dies includes high-density bumps and low-density bumps. The second semiconductor die includes high-density bumps and low-density bumps. The high-density bumps of the first semiconductor die and the high-density bumps of the second semiconductor die are electrically connected to the high-density patch. The low-density bumps of the first semiconductor die and the low-density bumps of the second semiconductor die are electrically connected to the low-density substrate.
    Type: Grant
    Filed: May 20, 2019
    Date of Patent: May 25, 2021
    Assignee: Amkor Technology Singapore Holding Pte. Ltd.
    Inventors: Jae Hun Bae, Won Chul Do, Min Yoo, Young Rae Kim, Min Hwa Chang, Dong Hyun Kim, Ah Ra Jo, Seok Geun Ahn
  • Publication number: 20200388522
    Abstract: A bonding apparatus includes a body part; a vacuum hole disposed in the body part; a first protruding part protruding in a first direction from a first surface of the body part; a second protruding part protruding from the first surface of the body part in the first direction and spaced farther apart from a center of the first surface of the body part than the first protruding part in a second direction intersecting with the first direction; and a trench defined by the first surface of the body part and second surfaces of the first protruding part, the second surfaces protruding in the first direction from the first surface of the body part, and the trench being connected to the vacuum hole, wherein the second protruding part protrudes farther from the first surface of the body part in the first direction than the first protruding part.
    Type: Application
    Filed: March 2, 2020
    Publication date: December 10, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seok Geun AHN, Min Keun KWAK, Ji Won SHIN, Sang Hoon LEE, Byoung Wook JANG
  • Publication number: 20200051944
    Abstract: A semiconductor device includes a low-density substrate, a high-density patch positioned inside a cavity in the low-density substrate, a first semiconductor die, and a second semiconductor die. The first semiconductor dies includes high-density bumps and low-density bumps. The second semiconductor die includes high-density bumps and low-density bumps. The high-density bumps of the first semiconductor die and the high-density bumps of the second semiconductor die are electrically connected to the high-density patch. The low-density bumps of the first semiconductor die and the low-density bumps of the second semiconductor die are electrically connected to the low-density substrate.
    Type: Application
    Filed: May 20, 2019
    Publication date: February 13, 2020
    Inventors: Jae Hun Bae, Won Chul Do, Min Yoo, Young Rae Kim, Min Hwa Chang, Dong Hyun Kim, Ah Ra Jo, Seok Geun Ahn
  • Patent number: 10340244
    Abstract: A semiconductor device includes a low-density substrate, a high-density patch positioned inside a cavity in the low-density substrate, a first semiconductor die, and a second semiconductor die. The first semiconductor dies includes high-density bumps and low-density bumps. The second semiconductor die includes high-density bumps and low-density bumps. The high-density bumps of the first semiconductor die and the high-density bumps of the second semiconductor die are electrically connected to the high-density patch. The low-density bumps of the first semiconductor die and the low-density bumps of the second semiconductor die are electrically connected to the low-density substrate.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: July 2, 2019
    Assignee: AMKOR TECHNOLOGY, INC.
    Inventors: Jae Hun Bae, Won Chul Do, Min Yoo, Young Rae Kim, Min Hwa Chang, Dong Hyun Kim, Ah Ra Jo, Seok Geun Ahn
  • Publication number: 20180211929
    Abstract: A semiconductor device includes a low-density substrate, a high-density patch positioned inside a cavity in the low-density substrate, a first semiconductor die, and a second semiconductor die. The first semiconductor dies includes high-density bumps and low-density bumps. The second semiconductor die includes high-density bumps and low-density bumps. The high-density bumps of the first semiconductor die and the high-density bumps of the second semiconductor die are electrically connected to the high-density patch. The low-density bumps of the first semiconductor die and the low-density bumps of the second semiconductor die are electrically connected to the low-density substrate.
    Type: Application
    Filed: December 19, 2017
    Publication date: July 26, 2018
    Inventors: Jae Hun Bae, Won Chul Do, Min Yoo, Young Rae Kim, Min Hwa Chang, Dong Hyun Kim, Ah Ra Jo, Seok Geun Ahn