Patents by Inventor Qwan Ho Chung

Qwan Ho Chung 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: 9609742
    Abstract: Package substrates are provided. The package substrate may include a power line and a ground line on a first surface of a substrate body; a plurality of signal lines on the first surface between the power line and the ground line; and a lower ground pattern and a lower power pattern positioned on a second surface of the substrate body opposite to the first surface. The lower ground pattern may be disposed to be opposite to the power line and the lower power pattern may be disposed to be opposite to the ground line. Related semiconductor packages are also provided.
    Type: Grant
    Filed: August 30, 2013
    Date of Patent: March 28, 2017
    Assignee: SK hynix Inc.
    Inventors: Eul Chul Jang, Qwan Ho Chung, Sang Joon Lim, Sung Woo Han
  • Patent number: 9412716
    Abstract: A method of manufacturing a semiconductor package includes: forming a strip substrate including a plurality of unit substrates, each being provided with a first connection pad and a second connection pad on a first surface of the unit substrate and each unit substrate being electrically and physically isolated from each other with the intervention of saw lines, first ground connection pads formed on the respective unit substrates, each of the first ground connection pads being electrically coupled with the first connection pad over the respective unit substrates, second ground connection pads formed on the saw line on the first surface side of the unit substrates and electrically isolated from the unit substrates, and test wiring formed on the saw line, the test wiring being electrically isolated from the unit substrates and electrically coupled with the second ground connection pads; and attaching semiconductor chips onto the respective unit substrates.
    Type: Grant
    Filed: May 22, 2014
    Date of Patent: August 9, 2016
    Assignee: SK hynix Inc.
    Inventors: Jin Ho Bae, Qwan Ho Chung, Seong Kweon Ha, Jong Hyun Kim, Bok Gyu Min, Jae Won Shin
  • Patent number: 9368456
    Abstract: A semiconductor package includes a dielectric layer in which a chip is embedded, interconnection parts disposed on a first surface of the dielectric layer, through connectors each of which penetrates a portion of the dielectric layer over the chip to electrically couple the chip to a corresponding one of the interconnection parts, a shielding plate covering a second surface of the dielectric layer that is opposite to the first surface, and a shielding encapsulation part connected to one of the interconnection parts and covering sidewalls of the dielectric layer. The shielding encapsulation part includes a portion contacting the shielding plate.
    Type: Grant
    Filed: May 29, 2014
    Date of Patent: June 14, 2016
    Assignee: SK HYNIX INC.
    Inventor: Qwan Ho Chung
  • Patent number: 9305895
    Abstract: A package substrate includes a core layer having a first surface and a second surface which are opposite to each other, a ball land pad disposed on the first surface of the core layer, an opening that penetrates the core layer to expose the ball land pad, and a dummy ball land disposed on the second surface of the core layer to surround the opening. The dummy ball land includes at least one sub-pattern and at least one vent hole. Related semiconductor packages and related methods are also provided.
    Type: Grant
    Filed: April 25, 2014
    Date of Patent: April 5, 2016
    Assignee: SK HYNIX INC.
    Inventors: Jong Woo Yoo, Qwan Ho Chung
  • Patent number: 9252136
    Abstract: A package stacked device may include a first packaging body layer having a first chip embedded therein, and a second packaging body layer positioned under the first packaging body layer and having a second chip embedded therein. The package stacked device may also include a first connection unit protruding from a first bottom surface of the first packaging body layer, a second connection unit protruding from a second top surface of the second packaging body layer, a first covering layer providing a first opening to expose the top surface of the second connection unit and substantially covering the second top surface of the second packaging body layer, and a first adhesive layer substantially covering the exposed top surface of the second connection unit within the first opening. The first connection unit may be inserted into the first opening and connected to the first adhesive layer.
    Type: Grant
    Filed: August 26, 2014
    Date of Patent: February 2, 2016
    Assignee: SK Hynix Inc.
    Inventors: Seung Jee Kim, Qwan Ho Chung
  • Patent number: 9209150
    Abstract: Embedded packages are provided. The embedded package includes a chip attached to a first surface of a core layer, a plurality of bumps on a surface of the chip opposite to the core layer, and a first insulation layer surrounding the core layer, the chip and the plurality of bumps. The first insulation layer has a trench disposed in a portion of the first insulation layer to expose the plurality of bumps.
    Type: Grant
    Filed: November 20, 2013
    Date of Patent: December 8, 2015
    Assignee: SK Hynix Inc.
    Inventors: Sang Yong Lee, Qwan Ho Chung, Seung Jee Kim, Jong Hyun Nam, Si Han Kim
  • Patent number: 9209146
    Abstract: An electronic device package includes a bump having a post disposed on a contact portion of a semiconductor chip and an enlarged portion laterally protruded from an upper portion of the post; an interconnection portion having a locking portion that substantially surrounds the enlarged portion and an upper sidewall of the post; and a dielectric layer substantially surrounding the bump and the locking portion to separate the interconnection portion from the semiconductor chip.
    Type: Grant
    Filed: November 4, 2014
    Date of Patent: December 8, 2015
    Assignee: SK Hynix Inc.
    Inventors: Seung Jee Kim, Qwan Ho Chung, Jong Hyun Nam, Si Han Kim, Sang Yong Lee, Seong Cheol Shin
  • Publication number: 20150287702
    Abstract: A package stacked device may include a first packaging body layer having a first chip embedded therein, and a second packaging body layer positioned under the first packaging body layer and having a second chip embedded therein. The package stacked device may also include a first connection unit protruding from a first bottom surface of the first packaging body layer, a second connection unit protruding from a second top surface of the second packaging body layer, a first covering layer providing a first opening to expose the top surface of the second connection unit and substantially covering the second top surface of the second packaging body layer, and a first adhesive layer substantially covering the exposed top surface of the second connection unit within the first opening. The first connection unit may be inserted into the first opening and connected to the first adhesive layer.
    Type: Application
    Filed: August 26, 2014
    Publication date: October 8, 2015
    Inventors: Seung Jee KIM, Qwan Ho CHUNG
  • Patent number: 9111820
    Abstract: An embedded package includes a semiconductor chip divided into a cell region and a peripheral region, having a first surface and a second surface which faces away from the first surface, and including an integrated circuit which is formed in the cell region on the first surface, a bonding pad which is formed in the peripheral region on the first surface and a bump which is formed over the bonding pad; a core layer attached to the second surface of the to semiconductor chip; an insulation component formed over the core layer including the semiconductor chip and having an opening which exposes the bump; and a circuit wiring line formed over the insulation component and the bump and electrically connected to the bump, wherein the insulation component formed in the cell region has a thickness larger than a height of the bump.
    Type: Grant
    Filed: March 18, 2014
    Date of Patent: August 18, 2015
    Assignee: SK Hynix Inc.
    Inventor: Qwan Ho Chung
  • Publication number: 20150187705
    Abstract: A semiconductor package includes a dielectric layer in which a chip is embedded, interconnection parts disposed on a first surface of the dielectric layer, through connectors each of which penetrates a portion of the dielectric layer over the chip to electrically couple the chip to a corresponding one of the interconnection parts, a shielding plate covering a second surface of the dielectric layer that is opposite to the first surface, and a shielding encapsulation part connected to one of the interconnection parts and covering sidewalls of the dielectric layer. The shielding encapsulation part includes a portion contacting the shielding plate.
    Type: Application
    Filed: May 29, 2014
    Publication date: July 2, 2015
    Applicant: SK HYNIX INC.
    Inventor: Qwan Ho CHUNG
  • Publication number: 20150145131
    Abstract: A package substrate includes a core layer having a first surface and a second surface which are opposite to each other, a ball land pad disposed on the first surface of the core layer, an opening that penetrates the core layer to expose the ball land pad, and a dummy ball land disposed on the second surface of the core layer to surround the opening. The dummy ball land includes at least one sub-pattern and at least one vent hole. Related semiconductor packages and related methods are also provided.
    Type: Application
    Filed: April 25, 2014
    Publication date: May 28, 2015
    Applicant: SK hynix Inc.
    Inventors: Jong Woo YOO, Qwan Ho CHUNG
  • Publication number: 20150123283
    Abstract: A method of manufacturing a semiconductor package includes: forming a strip substrate including a plurality of unit substrates, each being provided with a first connection pad and a second connection pad on a first surface of the unit substrate and each unit substrate being electrically and physically isolated from each other with the intervention of saw lines, first ground connection pads formed on the respective unit substrates, each of the first ground connection pads being electrically coupled with the first connection pad over the respective unit substrates, second ground connection pads formed on the saw line on the first surface side of the unit substrates and electrically isolated from the unit substrates, and test wiring formed on the saw line, the test wiring being electrically isolated from the unit substrates and electrically coupled with the second ground connection pads; and attaching semiconductor chips onto the respective unit substrates.
    Type: Application
    Filed: May 22, 2014
    Publication date: May 7, 2015
    Applicant: SK hynix Inc.
    Inventors: Jin Ho BAE, Qwan Ho CHUNG, Seong Kweon HA, Jong Hyun KIM, Bok Gyu MIN, Jae Won SHIN
  • Publication number: 20150056755
    Abstract: An electronic device package includes a bump having a post disposed on a contact portion of a semiconductor chip and an enlarged portion laterally protruded from an upper portion of the post; an interconnection portion having a locking portion that substantially surrounds the enlarged portion and an upper sidewall of the post; and a dielectric layer substantially surrounding the bump and the locking portion to separate the interconnection portion from the semiconductor chip.
    Type: Application
    Filed: November 4, 2014
    Publication date: February 26, 2015
    Inventors: Seung Jee KIM, Qwan Ho CHUNG, Jong Hyun NAM, Si Han KIM, Sang Yong LEE, Seong Cheol SHIN
  • Publication number: 20140367851
    Abstract: Embedded packages are provided. The embedded package includes a chip attached to a first surface of a core layer, a plurality of bumps on a surface of the chip opposite to the core layer, and a first insulation layer surrounding the core layer, the chip and the plurality of bumps. The first insulation layer has a trench disposed in a portion of the first insulation layer to expose the plurality of bumps.
    Type: Application
    Filed: November 20, 2013
    Publication date: December 18, 2014
    Applicant: SK HYNIX INC.
    Inventors: Sang Yong LEE, Qwan Ho CHUNG, Seung Jee KIM, Jong Hyun NAM, Si Han KIM
  • Patent number: 8907487
    Abstract: An electronic device package includes a bump having a post disposed on a contact portion of a semiconductor chip and an enlarged portion laterally protruded from an upper portion of the post; an interconnection portion having a locking portion that substantially surrounds the enlarged portion and an upper sidewall of the post; and a dielectric layer substantially surrounding the bump and the locking portion to separate the interconnection portion from the semiconductor chip.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: December 9, 2014
    Assignee: SK Hynix Inc.
    Inventors: Seung Jee Kim, Qwan Ho Chung, Jong Hyun Nam, Si Han Kim, Sang Yong Lee, Seong Cheol Shin
  • Publication number: 20140291837
    Abstract: An embedded package includes a semiconductor chip divided into a cell region and a peripheral region, having a first surface and a second surface which faces away from the first surface, and including an integrated circuit which is formed in the cell region on the first surface, a bonding pad which is formed in the peripheral region on the first surface and a bump which is formed over the bonding pad; a core layer attached to the second surface of the to semiconductor chip; an insulation component formed over the core layer including the semiconductor chip and having an opening which exposes the bump; and a circuit wiring line formed over the insulation component and the bump and electrically connected to the bump, wherein the insulation component formed in the cell region has a thickness larger than a height of the bump.
    Type: Application
    Filed: March 18, 2014
    Publication date: October 2, 2014
    Applicant: SK hynix Inc.
    Inventor: Qwan Ho CHUNG
  • Patent number: 8823183
    Abstract: A bump for a semiconductor package includes: a first bump formed on a semiconductor chip and having at least two land parts and a connection part which connects the land parts and has a line width smaller than the land parts; and a second bump formed on the first bump and projecting on the land parts of the first bump in shapes of a hemisphere.
    Type: Grant
    Filed: December 29, 2010
    Date of Patent: September 2, 2014
    Assignee: SK Hynix Inc.
    Inventors: Ki Young Kim, Qwan Ho Chung, Sung Ho Hyun, Myung Gun Park, Jin Ho Bae
  • Patent number: 8796834
    Abstract: A stack package includes a core layer having a first surface and a second surface, and including first circuit wiring lines; a first semiconductor device disposed on the second surface of the core layer; a first resin layer formed on the second surface of the core layer to cover the first semiconductor device; second circuit wiring lines formed on the first resin layer and electrically connected with the first semiconductor device; a second semiconductor device disposed over the first resin layer including the second circuit wiring lines and electrically connected with the second circuit wiring lines; a second resin layer formed on the second circuit wiring lines and the first resin layer to cover the second semiconductor device; and a plurality of via patterns formed to pass through the first resin layer and the core layer and electrically connecting the first circuit wiring lines and the second circuit wiring lines.
    Type: Grant
    Filed: May 31, 2011
    Date of Patent: August 5, 2014
    Assignee: SK Hynix Inc.
    Inventors: Jin Ho Bae, Qwan Ho Chung, Woong Sun Lee
  • Publication number: 20140175680
    Abstract: Package substrates are provided. The package substrate may include a power line and a ground line on a first surface of a substrate body; a plurality of signal lines on the first surface between the power line and the ground line; and a lower ground pattern and a lower power pattern positioned on a second surface of the substrate body opposite to the first surface. The lower ground pattern may be disposed to be opposite to the power line and the lower power pattern may be disposed to be opposite to the ground line. Related semiconductor packages are also provided.
    Type: Application
    Filed: August 30, 2013
    Publication date: June 26, 2014
    Applicant: SK hynix Inc.
    Inventors: Eul Chul JANG, Qwan Ho CHUNG, Sang Joon LIM, Sung Woo HAN
  • Patent number: 8710652
    Abstract: An embedded package includes a semiconductor chip divided into a cell region and a peripheral region, having a first surface and a second surface which faces away from the first surface, and including an integrated circuit which is formed in the cell region on the first surface, a bonding pad which is formed in the peripheral region on the first surface and a bump which is formed over the bonding pad; a core layer attached to the second surface of the semiconductor chip; an insulation component formed over the core layer including the semiconductor chip and having an opening which exposes the bump; and a circuit wiring line formed over the insulation component and the bump and electrically connected to is the bump, wherein the insulation component formed in the cell region has a thickness larger than a height of the bump.
    Type: Grant
    Filed: December 22, 2011
    Date of Patent: April 29, 2014
    Assignee: SK Hynix Inc.
    Inventor: Qwan Ho Chung