Patents by Inventor Tae Je Cho

Tae Je Cho 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: 11043441
    Abstract: A semiconductor package includes: a semiconductor chip having an active surface, having connection pads disposed thereon, and an inactive surface, opposing the active surface; an encapsulant covering the inactive surface of the semiconductor chip; a thermally conductive via penetrating through at least a portion of the encapsulant on the inactive surface of the semiconductor chip and physically spaced apart from the inactive surface of the semiconductor chip; and a connection structure disposed on the active surface of the semiconductor chip and including a redistribution layer electrically connected to the connection pads.
    Type: Grant
    Filed: December 6, 2018
    Date of Patent: June 22, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Doo Hwan Lee, Tae Je Cho
  • Patent number: 11018026
    Abstract: A semiconductor package includes: a plurality of unit redistribution layers vertically stacked, each including: a first polymer layer having a first via hole pattern; a second polymer layer formed on the first polymer layer, and having a redistribution pattern on the first polymer layer and a second via hole pattern in the first via hole pattern; a seed layer covering sidewalls and bottom surfaces of the redistribution pattern and the second via hole pattern; a conductive via plug formed in the second via hole pattern; and a conductive redistribution line formed in the redistribution pattern; a connection terminal disposed on a bottom surface of a lowermost unit redistribution layer and electrically connected to the conductive via plug; a semiconductor device mounted on the unit redistribution layers with a conductive terminal interposed therebetween. Upper surfaces of the second polymer layer, the conductive redistribution line and the conductive via plug are substantially coplanar.
    Type: Grant
    Filed: November 29, 2019
    Date of Patent: May 25, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Un-Byoung Kang, Tae-Je Cho, Hyuek-Jae Lee, Cha-Jea Jo
  • Patent number: 10903170
    Abstract: A substrate having an embedded interconnect structure includes an interconnect structure including a circuit member including circuit layers and a passive device disposed in parallel with the circuit member and including an external electrode, and a printed circuit board including an insulating layer covering the interconnect structure, a first wiring layer disposed on the insulating layer, a first wiring via penetrating through at least a portion of the insulating layer and electrically connecting the first wiring layer to an uppermost circuit layer, among the circuit layers, and a second wiring via penetrating through at least a portion of the insulating layer and electrically connecting the first wiring layer to the external electrode of the passive device. A top surface of the uppermost circuit layer, contacting the first wiring via, is coplanar with a top surface of the external electrode, contacting the second wiring via.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: January 26, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Doo Hwan Lee, Yong Hoon Kim, Tae Je Cho, Jin Won Lee
  • Publication number: 20200144076
    Abstract: A method of fabricating an interposer includes: providing a carrier substrate; forming a unit redistribution layer on the carrier substrate, the unit redistribution layer including a conductive via plug and a conductive redistribution line; and removing the carrier substrate from the unit redistribution layer. The formation of the unit redistribution layer includes: forming a first photosensitive pattern layer including a first via hole pattern; forming a second photosensitive pattern layer including a second via hole pattern and a redistribution pattern on the first photosensitive pattern layer; at least partially filling insides of the first via hole pattern, the second via hole pattern, and the redistribution pattern with a conductive material; and performing planarization to make a top surface of the unit redistribution layer flat.
    Type: Application
    Filed: November 29, 2019
    Publication date: May 7, 2020
    Inventors: UN-BYOUNG KANG, Tae-Je CHO, Hyuek-Jae LEE, Cha-Jea JO
  • Publication number: 20200083179
    Abstract: A substrate having an embedded interconnect structure includes an interconnect structure including a circuit member including circuit layers and a passive device disposed in parallel with the circuit member and including an external electrode, and a printed circuit board including an insulating layer covering the interconnect structure, a first wiring layer disposed on the insulating layer, a first wiring via penetrating through at least a portion of the insulating layer and electrically connecting the first wiring layer to an uppermost circuit layer, among the circuit layers, and a second wiring via penetrating through at least a portion of the insulating layer and electrically connecting the first wiring layer to the external electrode of the passive device. A top surface of the uppermost circuit layer, contacting the first wiring via, is coplanar with a top surface of the external electrode, contacting the second wiring via.
    Type: Application
    Filed: November 28, 2018
    Publication date: March 12, 2020
    Inventors: Doo Hwan LEE, Yong Hoon KIM, Tae Je CHO, Jin Won LEE
  • Publication number: 20200066613
    Abstract: A semiconductor package includes: a semiconductor chip having an active surface, having connection pads disposed thereon, and an inactive surface, opposing the active surface; an encapsulant covering the inactive surface of the semiconductor chip; a thermally conductive via penetrating through at least a portion of the encapsulant on the inactive surface of the semiconductor chip and physically spaced apart from the inactive surface of the semiconductor chip; and a connection structure disposed on the active surface of the semiconductor chip and including a redistribution layer electrically connected to the connection pads.
    Type: Application
    Filed: December 6, 2018
    Publication date: February 27, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Doo Hwan LEE, Tae Je CHO
  • Patent number: 10535534
    Abstract: A method of fabricating an interposer includes: providing a carrier substrate; forming a unit redistribution layer on the carrier substrate, the unit redistribution layer including a conductive via plug and a conductive redistribution line; and removing the carrier substrate from the unit redistribution layer. The formation of the unit redistribution layer includes: forming a first photosensitive pattern layer including a first via hole pattern; forming a second photosensitive pattern layer including a second via hole pattern and a redistribution pattern on the first photosensitive pattern layer; at least partially filling insides of the first via hole pattern, the second via hole pattern, and the redistribution pattern with a conductive material; and performing planarization to make a top surface of the unit redistribution layer flat.
    Type: Grant
    Filed: May 4, 2017
    Date of Patent: January 14, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Un-Byoung Kang, Tae-Je Cho, Hyuek-Jae Lee, Cha-Jea Jo
  • Patent number: 10497675
    Abstract: There is provided a semiconductor device, enhanced with process capability and reliability by way of flow control of an adhesive material to fix semiconductor chips. The semiconductor device includes a first semiconductor chip including a first surface and a second surface opposite to each other, a flow regulating structure formed at the first surface of the first semiconductor chip, and a second semiconductor chip mounted on the first surface of the first semiconductor chip. The second semiconductor chip overlaps at least a portion of the flow regulating structure.
    Type: Grant
    Filed: October 21, 2016
    Date of Patent: December 3, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byoung Soo Kwak, Tae Hong Min, In Young Lee, Tae Je Cho
  • Patent number: 10134702
    Abstract: The semiconductor chip including a semiconductor device layer including a pad region and a cell region, a plurality of uppermost wirings formed on the semiconductor device layer to be arranged at an equal distance in the cell region, a passivation layer formed in the cell region and the pad region, and a plurality of thermal bumps disposed on the passivation layer to be electrically insulated from the plurality of uppermost wirings may be provided. The semiconductor device layer may include a plurality of through silicon via (TSV) structures in the pad region. The plurality of uppermost wirings may extend in parallel along one direction and have a same width. The passivation layer may cover at least a top surface of the plurality of uppermost wirings in the cell region and includes a top surface having a wave shape.
    Type: Grant
    Filed: April 24, 2017
    Date of Patent: November 20, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sun-kyoung Seo, Seung-kwan Ryu, Cha-jea Jo, Tae-Je Cho
  • Patent number: 10008462
    Abstract: A semiconductor package includes a semiconductor substrate and an electrode pad formed on the semiconductor substrate. The electrode pad includes a central portion and a peripheral portion, and a first pattern is located on the peripheral portion. A passivation layer is formed on the semiconductor substrate and the electrode pad. The passivation layer has an opening exposing the central portion of the electrode pad and a second pattern located on the first pattern. A seed layer is formed on the electrode pad and the passivation layer. The seed layer has a third pattern formed on the second pattern. A bump is formed on the seed layer and electrically connected to the electrode pad. An undercut is formed around the third pattern located under an edge of a lower portion of the bump.
    Type: Grant
    Filed: August 2, 2016
    Date of Patent: June 26, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sun-kyoung Seo, Tae-je Cho, Yong-hwan Kwon, Hyung-gil Baek, Hyun-soo Chung, Seung-kwan Ryu, Myeong-soon Park
  • Patent number: 9941196
    Abstract: In one embodiment, a semiconductor device includes a semiconductor substrate having a first surface, and a second surface opposite to the first surface. The second surface defines a redistribution trench. The substrate has a via hole extending therethrough. The semiconductor device also includes a through via disposed in the via hole. The through via may include a via hole insulating layer, a barrier layer, sequentially formed on an inner wall of the via hole. The through via may further include a conductive connector adjacent the barrier layer. The semiconductor device additionally includes an insulation layer pattern formed on the second surface of the substrate. The insulation layer pattern defines an opening that exposes a region of a top surface of the through via. The semiconductor devices includes a redistribution layer disposed in the trench and electrically connected to the through via. The insulation layer pattern overlaps a region of the conductive connector.
    Type: Grant
    Filed: April 15, 2016
    Date of Patent: April 10, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ho-Jin Lee, Tae-Je Cho, Dong-Hyeon Jang, Ho-Geon Song, Se-Young Jeong, Un-Byoung Kang, Min-Seung Yoon
  • Patent number: 9929022
    Abstract: A method of manufacturing a semiconductor package includes: providing a package substrate having a first surface and a second surface opposite the first surface; providing a first semiconductor chip on the package substrate, the first semiconductor chip having a first surface facing the second surface of the package substrate, a second surface opposite the first surface of the first semiconductor chip, and lateral surfaces extending from the first surface of the first semiconductor chip to the second surface of the first semiconductor chip; providing a molding layer covering the lateral surfaces of the first semiconductor chip and covering the second surface of the package substrate; and providing a plurality of through-molding conductive vias outside the lateral surfaces of the first semiconductor chip. The through-molding conductive vias may be formed before forming the molding layer and may pass through the molding layer.
    Type: Grant
    Filed: August 9, 2016
    Date of Patent: March 27, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seok-hyun Lee, Yun-seok Choi, Tae-je Cho, Jin-woo Park
  • Patent number: 9905538
    Abstract: A chip-stacked semiconductor package includes a first chip having a first front surface, a first back surface, and a first connection member on the first front surface, the first back surface being opposite to the first front surface; a second chip having a second front surface, a second back surface, a second connection member and a first through-silicon via (TSV) electrically connected to the second connection member, the second back surface opposite to the second front surface, and the second connection member on the second front face; and a first sealing member between the first front surface and the second front surface, the first sealing member filling a space between the first connection member and the second connection member, the first connection member of the first chip and the second connection member of the second chip being symmetric with respect to each other.
    Type: Grant
    Filed: January 10, 2017
    Date of Patent: February 27, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Un-Byoung Kang, Tae-Je Cho, Byung-Hyug Roh
  • Patent number: 9899337
    Abstract: A semiconductor package includes a package member and a stress controlling layer. The package member includes an encapsulation layer and at least one chip. The encapsulation layer encapsulates the at least one chip. The stress controlling layer is disposed on a surface of the package member. The stress controlling layer has an internal stress to the extent that the stress controlling layer prevents the package member from having warpage.
    Type: Grant
    Filed: June 6, 2016
    Date of Patent: February 20, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Gun-ho Chang, Tae-je Cho, Jong-bo Shim
  • Patent number: 9893018
    Abstract: Semiconductor devices and methods for manufacturing a semiconductor device include a first semiconductor substrate in which a first scribe line region and a first chip region are defined, a first alignment mark inside the first semiconductor substrate and in the first scribe line region so as to be spaced apart from an upper side of the first semiconductor substrate, a second semiconductor substrate on the first semiconductor substrate and in which a second scribe line region and a second chip region are defined, and a second alignment mark inside the second semiconductor substrate and in the second scribe line region so as to be spaced apart from an upper side of the second semiconductor substrate, wherein the second semiconductor substrate is on the first semiconductor substrate so that positions of the first alignment mark and the second alignment mark correspond to each other.
    Type: Grant
    Filed: May 14, 2015
    Date of Patent: February 13, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yeong-Kwon Ko, Tae-Hyeong Kim, Ji-Hwang Kim, Sun-Kyoung Seo, Tae-Je Cho
  • Patent number: 9875918
    Abstract: Provided are an initiator and a method for debonding a wafer supporting system. The initiator for debonding a wafer supporting system includes a rotation chuck having an upper surface on which a wafer supporting system (WSS), which includes a carrier wafer, a device wafer, and a glue layer for bonding the carrier wafer and the device wafer to each other, is seated to rotate the wafer supporting system, a detecting module detecting a height and a thickness of the glue layer and a laser module generating a fracture portion on the glue layer through irradiating a side surface of the glue layer with a laser on the basis of the height and the thickness of the glue layer.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: January 23, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyu-Dong Jung, Jung-Hwan Kim, Dong-Gil Lee, Tae-Je Cho, Kwang-Chul Choi
  • Patent number: 9853012
    Abstract: Provided are semiconductor packages having through electrodes and methods of fabricating the same. The method may include may include forming a wafer-level package including first semiconductor chips stacked on a second semiconductor chip, forming a chip-level package including fourth semiconductor chips stacked on a third semiconductor chip stacking a plurality of the chip-level packages on a back surface of the second semiconductor substrate of the wafer-level package, polishing the first mold layer of the wafer-level package and the first semiconductor chips to expose a first through electrodes of the first semiconductor chip, and forming outer electrodes on the polished first semiconductor chips to be connected to the first through electrodes, respectively.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: December 26, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyunsoo Chung, Jongyeon Kim, In-Young Lee, Tae-Je Cho
  • Patent number: 9831202
    Abstract: An electronic device is provided, which includes a substrate having an electrically conductive contact pad thereon and an electrically conductive connection terminal on the contact pad. The connection terminal includes an electrically conductive pillar structure and a solder layer that extends on the pillar structure and contacts a protruding portion of a sidewall of the pillar structure. The pillar structure can include a lower pillar layer, a diffusion barrier layer on the lower pillar layer and an upper pillar layer on the diffusion barrier layer. In some additional embodiments of the invention, the protruding portion of the sidewall of the pillar structure includes an outermost portion of an upper surface of the diffusion barrier layer. This can be achieved by making a width of the diffusion barrier layer greater than a width of the upper pillar layer when viewed in transverse cross-section.
    Type: Grant
    Filed: September 12, 2016
    Date of Patent: November 28, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sun-kyoung Seo, Seung-kwan Ryu, Ju-il Choi, Tae-je Cho, Yong-hwan Kwon
  • Publication number: 20170330767
    Abstract: A method of fabricating an interposer includes: providing a carrier substrate; forming a unit redistribution layer on the carrier substrate, the unit redistribution layer including a conductive via plug and a conductive redistribution line; and removing the carrier substrate from the unit redistribution layer. The formation of the unit redistribution layer includes: forming a first photosensitive pattern layer including a first via hole pattern; forming a second photosensitive pattern layer including a second via hole pattern and a redistribution pattern on the first photosensitive pattern layer; at least partially filling insides of the first via hole pattern, the second via hole pattern, and the redistribution pattern with a conductive material; and performing planarization to make a top surface of the unit redistribution layer flat.
    Type: Application
    Filed: May 4, 2017
    Publication date: November 16, 2017
    Inventors: Un-Byoung Kang, Tae-Je CHO, Hyuek-Jae Lee, Cha-Jea Jo
  • Patent number: 9761477
    Abstract: Methods of fabricating semiconductor packages are provided. One of the methods includes forming a protection layer including metal on a first surface of a substrate to cover a semiconductor device disposed on the first surface of the substrate, attaching a support substrate to the protection layer by using an adhesive member, processing a second surface of the substrate opposite to the protection layer to remove a part of the substrate, and detaching the support substrate from the substrate.
    Type: Grant
    Filed: October 6, 2016
    Date of Patent: September 12, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Gun-ho Chang, Un-byoung Kang, Tae-je Cho