Patents by Inventor Hyeong-seok Choi

Hyeong-seok Choi 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: 9368481
    Abstract: A semiconductor device includes a substrate having a first surface and a second surface that are opposite to each other, a plurality of through electrodes penetrating the substrate and extending from the first surface to the second surface, front-side bumps disposed on the first surface and connected to odd-numbered through electrodes among the plurality of through electrodes, and backside bumps disposed on the second surface and connected to even-numbered through electrodes among the plurality of through electrodes. Related semiconductor packages, fabrication methods, electronic systems and memory cards are also provided.
    Type: Grant
    Filed: February 12, 2015
    Date of Patent: June 14, 2016
    Assignee: SK HYNIX INC.
    Inventor: Hyeong Seok Choi
  • Patent number: 9312232
    Abstract: A conductive bump includes a step member formed to form a step on a portion of a connection pad; and a conductive member formed on the connection pad and the step member and having an inclined surface which is inclined with respect to the connection pad.
    Type: Grant
    Filed: May 8, 2015
    Date of Patent: April 12, 2016
    Assignee: SK hynix Inc.
    Inventor: Hyeong Seok Choi
  • Publication number: 20160099229
    Abstract: A semiconductor device includes a substrate having a first surface and a second surface that are opposite to each other, a plurality of through electrodes penetrating the substrate and extending from the first surface to the second surface, front-side bumps disposed on the first surface and connected to odd-numbered through electrodes among the plurality of through electrodes, and backside bumps disposed on the second surface and connected to even-numbered through electrodes among the plurality of through electrodes. Related semiconductor packages, fabrication methods, electronic systems and memory cards are also provided.
    Type: Application
    Filed: February 12, 2015
    Publication date: April 7, 2016
    Inventor: Hyeong Seok CHOI
  • Patent number: 9252139
    Abstract: A stacked semiconductor package includes a first semiconductor chip having a first surface and a second surface which faces away from the first surface and including first bonding pads which are formed on the first surface and first through electrodes which pass through the first surface and the second surface; a second semiconductor chip stacked over the second surface of the first semiconductor chip, and including second bonding pads which are formed on a third surface facing the first semiconductor chip and second through electrodes which pass through the third surface and a fourth surface facing away from the third surface and are electrically connected with the first through electrodes; and a molding part formed to substantially cover the stacked first and second semiconductor chips and having openings which expose one end of the first through electrodes disposed on the first surface of the first semiconductor chip.
    Type: Grant
    Filed: November 7, 2014
    Date of Patent: February 2, 2016
    Assignee: SK Hynix Inc.
    Inventor: Hyeong Seok Choi
  • Publication number: 20150243619
    Abstract: A conductive bump includes a step member formed to form a step on a portion of a connection pad; and a conductive member formed on the connection pad and the step member and having an inclined surface which is inclined with respect to the connection pad.
    Type: Application
    Filed: May 8, 2015
    Publication date: August 27, 2015
    Inventor: Hyeong Seok CHOI
  • Patent number: 9059150
    Abstract: A conductive bump includes a step member formed to form a step on a portion of a connection pad; and a conductive member formed on the connection pad and the step member and having an inclined surface which is inclined with respect to the connection pad.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: June 16, 2015
    Assignee: SK Hynix Inc.
    Inventor: Hyeong Seok Choi
  • Publication number: 20150064843
    Abstract: A stacked semiconductor package includes a first semiconductor chip having a first surface and a second surface which faces away from the first surface and including first bonding pads which are formed on the first surface and first through electrodes which pass through the first surface and the second surface; a second semiconductor chip stacked over the second surface of the first semiconductor chip, and including second bonding pads which are formed on a third surface facing the first semiconductor chip and second through electrodes which pass through the third surface and a fourth surface facing away from the third surface and are electrically connected with the first through electrodes; and a molding part formed to substantially cover the stacked first and second semiconductor chips and having openings which expose one end of the first through electrodes disposed on the first surface of the first semiconductor chip.
    Type: Application
    Filed: November 7, 2014
    Publication date: March 5, 2015
    Inventor: Hyeong Seok CHOI
  • Patent number: 8912659
    Abstract: A stacked semiconductor package includes a first semiconductor chip having a first surface and a second surface which faces away from the first surface and including first bonding pads which are formed on the first surface and first through electrodes which pass through the first surface and the second surface; a second semiconductor chip stacked over the second surface of the first semiconductor chip, and including second bonding pads which are formed on a third surface facing the first semiconductor chip and second through electrodes which pass through the third surface and a fourth surface facing away from the third surface and are electrically connected with the first through electrodes; and a molding part formed to substantially cover the stacked first and second semiconductor chips and having openings which expose one end of the first through electrodes disposed on the first surface of the first semiconductor chip.
    Type: Grant
    Filed: December 4, 2012
    Date of Patent: December 16, 2014
    Assignee: SK Hynix Inc.
    Inventor: Hyeong Seok Choi
  • Publication number: 20140048930
    Abstract: A conductive bump includes a step member formed to form a step on a portion of a connection pad; and a conductive member formed on the connection pad and the step member and having an inclined surface which is inclined with respect to the connection pad.
    Type: Application
    Filed: December 21, 2012
    Publication date: February 20, 2014
    Applicant: SK HYNIX INC.
    Inventor: Hyeong Seok CHOI
  • Publication number: 20130292845
    Abstract: A stacked semiconductor package includes a first semiconductor chip having a first surface and a second surface which faces away from the first surface and including first bonding pads which are formed on the first surface and first through electrodes which pass through the first surface and the second surface; a second semiconductor chip stacked over the second surface of the first semiconductor chip, and including second bonding pads which are formed on a third surface facing the first semiconductor chip and second through electrodes which pass through the third surface and a fourth surface facing away from the third surface and are electrically connected with the first through electrodes; and a molding part formed to substantially cover the stacked first and second semiconductor chips and having openings which expose one end of the first through electrodes disposed on the first surface of the first semiconductor chip.
    Type: Application
    Filed: December 4, 2012
    Publication date: November 7, 2013
    Applicant: SK HYNIX INC.
    Inventor: Hyeong Seok CHOI
  • Patent number: 8338921
    Abstract: A wafer level chip scale package having an enhanced heat exchange efficiency with an EMF shield is presented. The wafer level chip scale package includes a semiconductor chip, an insulation layer, and a metal plate. The semiconductor chip has a plurality of bonding pads on an upper face thereof. The insulation layer is disposed over the upper face of the semiconductor chip and has openings that expose some portions of the bonding pads. The metal plate covers an upper face of the insulation layer and side faces of the semiconductor chip in which the metal plate is electrically insulated from the bonding pads.
    Type: Grant
    Filed: November 4, 2011
    Date of Patent: December 25, 2012
    Assignee: SK Hynix Inc.
    Inventors: Chang Jun Park, Kwon Whan Han, Seong Cheol Kim, Sung Min Kim, Hyeong Seok Choi, Ha Na Lee, Tac Keun Oh, Sang Joon Lim
  • Publication number: 20120049385
    Abstract: A wafer level chip scale package having an enhanced heat exchange efficiency with an EMF shield is presented. The wafer level chip scale package includes a semiconductor chip, an insulation layer, and a metal plate. The semiconductor chip has a plurality of bonding pads on an upper face thereof. The insulation layer is disposed over the upper face of the semiconductor chip and has openings that expose some portions of the bonding pads. The metal plate covers an upper face of the insulation layer and side faces of the semiconductor chip in which the metal plate is electrically insulated from the bonding pads.
    Type: Application
    Filed: November 4, 2011
    Publication date: March 1, 2012
    Applicant: HYNIX SEMICONDUCTOR INC.
    Inventors: Chang Jun PARK, Kwon Whan HAN, Seong Cheol KIM, Sung Min KIM, Hyeong Seok CHOI, Ha Na LEE, Tac Keun OH, Sang Joon LIM
  • Publication number: 20120007213
    Abstract: A semiconductor chip includes: a semiconductor substrate in which a bonding pad is provided on a first surface thereof; a through silicon via (TSV) group including a plurality of TSVs connected to the bonding pad and exposed to a second surface opposite to the first surface of the semiconductor substrate; and a fuse box including a plurality of fuses connected to the plurality of TSVs and formed on the first surface of the semiconductor substrate.
    Type: Application
    Filed: May 31, 2011
    Publication date: January 12, 2012
    Applicant: HYNIX SEMICONDUCTOR INC.
    Inventors: Hyeong Seok CHOI, Jin Hui LEE
  • Publication number: 20110304027
    Abstract: A semiconductor chip includes: a device layer having a first surface and a second surface facing away from the first surface, and possessing conductive patterns, which are formed in the first surface such that at least portions of the conductive patterns are exposed on the first surface, and bonding pads, which are formed on the second surface, are electrically connected. An insulation layer pattern, formed on the first surface of the device layer, has via holes which expose the conductive patterns, and through electrodes are formed in the via holes to be electrically connected with the exposed conductive patterns.
    Type: Application
    Filed: February 28, 2011
    Publication date: December 15, 2011
    Applicant: HYNIX SEMICONDUCTOR INC.
    Inventors: Jin Hui LEE, Hyeong Seok CHOI
  • Publication number: 20110006412
    Abstract: A semiconductor chip package and method for manufacturing thereof and stack package using the same is presented that reduces electrical signal transmission delays and realizes a reduction in thickness is presented. The stack package includes a plurality of semiconductor chip packages coupled to a substrate. Each semiconductor chip package includes a substrate and a device layer attached to the substrate. The device layer has first bonding pads on a first surface and second bonding pads on a second surface opposite to the first surface. The first and second bonding pads are coupled together by through electrodes that pass through the device layer. The stack package also includes conductive materials attached to the second bonding pads such that the conductive materials couple together adjacent semiconductor chip packages and the substrate.
    Type: Application
    Filed: December 17, 2009
    Publication date: January 13, 2011
    Applicant: HYNIX SEMICONDUCTOR INC.
    Inventor: Hyeong Seok Choi
  • Patent number: 7859102
    Abstract: A stacked wafer level semiconductor package module includes a semiconductor chip module including first and second semiconductor chips each having a rectangular shape. The first semiconductor chip has first pads disposed along a first short side of a lower surface thereof. The second semiconductor chip has second pads disposed along a first short side of a lower surface thereof. The first and second semiconductor chips are stacked so as to expose the first pad and the second pad on one side of the stacked first and second semiconductor chips. The package also includes a substrate having a first connection pad facing the first pad and a second connection pad facing the second pad. The package also includes a first connection member for connecting the first pad to the first connection pad, and a second connection member for connecting the second pad to the second connection pad.
    Type: Grant
    Filed: March 14, 2008
    Date of Patent: December 28, 2010
    Assignee: Hynix Semiconductor Inc.
    Inventors: Sung Min Kim, Chang Jun Park, Kwon Whan Han, Seong Cheol Kim, Hyeong Seok Choi, Ha Na Lee
  • Patent number: 7795073
    Abstract: Manufacturing a wafer level stack package includes the steps of back-grinding a lower surface of a wafer including a plurality of first semiconductor chips. A support member is attached to a lower surface of the back-grinded wafer. One or more second semiconductor chips are stacked on the respective first semiconductor chips of the back-grinded wafer. First through-electrodes are formed to electrically connect the stacked first semiconductor chips and second semiconductor chips. Third semiconductor chips are attached to uppermost ones of the stacked second semiconductor chips, and the third semiconductor chips have second through-electrodes which are electrically connected to the first through-electrodes and re-distribution lines which are connected to the second through-electrodes. Outside connection terminals are attached to the re-distribution lines of the third semiconductor chips.
    Type: Grant
    Filed: December 30, 2008
    Date of Patent: September 14, 2010
    Assignee: Hynix Semiconductor Inc.
    Inventors: Kwon Whan Han, Chang Jun Park, Seong Cheol Kim, Sung Min Kim, Hyeong Seok Choi, Ha Na Lee
  • Publication number: 20090197372
    Abstract: Manufacturing a wafer level stack package includes the steps of back-grinding a lower surface of a wafer including a plurality of first semiconductor chips. A support member is attached to a lower surface of the back-grinded wafer. One or more second semiconductor chips are stacked on the respective first semiconductor chips of the back-grinded wafer. First through-electrodes are formed to electrically connect the stacked first semiconductor chips and second semiconductor chips. Third semiconductor chips are attached to uppermost ones of the stacked second semiconductor chips, and the third semiconductor chips have second through-electrodes which are electrically connected to the first through-electrodes and re-distribution lines which are connected to the second through-electrodes. Outside connection terminals are attached to the re-distribution lines of the third semiconductor chips.
    Type: Application
    Filed: December 30, 2008
    Publication date: August 6, 2009
    Inventors: Kwon Whan HAN, Chang Jun PARK, Seong Cheol KIM, Sung Min KIM, Hyeong Seok CHOI, Ha Na LEE
  • Publication number: 20090184414
    Abstract: A wafer level chip scale package having an enhanced heat exchange efficiency with an EMF shield is presented. The wafer level chip scale package includes a semiconductor chip, an insulation layer, and a metal plate. The semiconductor chip has a plurality of bonding pads on an upper face thereof. The insulation layer is disposed over the upper face of the semiconductor chip and has openings that expose some portions of the bonding pads. The metal plate covers an upper face of the insulation layer and side faces of the semiconductor chip in which the metal plate is electrically insulated from the bonding pads.
    Type: Application
    Filed: December 31, 2008
    Publication date: July 23, 2009
    Inventors: Chang Jun PARK, Kwon Whan HAN, Seong Cheol KIM, Sung Min KIM, Hyeong Seok CHOI, Ha Na LEE, Tac Keun OH, Sang Joon LIM
  • Publication number: 20090166853
    Abstract: A stacked wafer level semiconductor package module includes a semiconductor chip module including first and second semiconductor chips each having a rectangular shape. The first semiconductor chip has first pads disposed along a first short side of a lower surface thereof. The second semiconductor chip has second pads disposed along a first short side of a lower surface thereof. The first and second semiconductor chips are stacked so as to expose the first pad and the second pad on one side of the stacked first and second semiconductor chips. The package also includes a substrate having a first connection pad facing the first pad and a second connection pad facing the second pad. The package also includes a first connection member for connecting the first pad to the first connection pad, and a second connection member for connecting the second pad to the second connection pad.
    Type: Application
    Filed: March 14, 2008
    Publication date: July 2, 2009
    Inventors: Sung Min Kim, Chang Jun Park, Kwon Whan Han, Seong Cheol Kim, Hyeong Seok Choi, Ha Na Lee