Patents by Inventor Jin-Hong Ahn

Jin-Hong 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).

  • Patent number: 11551732
    Abstract: A semiconductor device includes a plurality of input/output (I/O) pads; a serial input pad; a serial output pad; a plurality of interface circuits respectively corresponding to the I/O pads; and a plurality of option setting circuits respectively corresponding to the interface circuits, suitable for setting options of the respective interface circuits, wherein the serial input pad, the interface circuits, the option setting circuits, and the serial output pad configure a serial chain.
    Type: Grant
    Filed: June 14, 2021
    Date of Patent: January 10, 2023
    Assignees: SK hynix Inc., ONE Semiconductor Corporation
    Inventor: Jin Hong Ahn
  • Patent number: 11508728
    Abstract: A semiconductor memory device includes a plurality of memory cell transistors arranged along a common semiconductor layer. Each of the plurality of memory cell transistors comprises a first source/drain region and a second source/drain region formed in the common semiconductor layer; a gate stack formed on a portion of the common semiconductor layer between the first source/drain region and the second source/drain region; and an electrical floating portion in the portion of the common semiconductor layer, a charge state of the electrical floating portion being adapted to adjust a threshold voltage and a channel conductance of the memory cell transistor. The plurality of memory cell transistors connected in series with each other along the common semiconductor layer provide a memory string.
    Type: Grant
    Filed: August 13, 2021
    Date of Patent: November 22, 2022
    Assignees: SK hynix Inc., Duality Inc.
    Inventor: Jin Hong Ahn
  • Patent number: 11456297
    Abstract: A semiconductor memory device includes a plurality of memory cell transistors arranged along a common semiconductor layer. Each of the plurality of memory cell transistors comprises a first source/drain region and a second source/drain region formed in the common semiconductor layer; a gate stack formed on a portion of the common semiconductor layer between the first source/drain region and the second source/drain region; and an electrical floating portion in the portion of the common semiconductor layer, a charge state of the electrical floating portion being adapted to adjust a threshold voltage and a channel conductance of the memory cell transistor. The plurality of memory cell transistors connected in series with each other along the common semiconductor layer provide a memory string.
    Type: Grant
    Filed: August 13, 2021
    Date of Patent: September 27, 2022
    Assignees: SK hynix Inc., Duality Inc.
    Inventor: Jin Hong Ahn
  • Publication number: 20220208236
    Abstract: A semiconductor device includes a plurality of input/output (I/O) pads; a serial input pad; a serial output pad; a plurality of interface circuits respectively corresponding to the I/O pads; and a plurality of option setting circuits respectively corresponding to the interface circuits, suitable for setting options of the respective interface circuits, wherein the serial input pad, the interface circuits, the option setting circuits, and the serial output pad configure a serial chain.
    Type: Application
    Filed: June 14, 2021
    Publication date: June 30, 2022
    Inventor: Jin Hong AHN
  • Patent number: 11289486
    Abstract: A semiconductor memory device includes a plurality of memory cell transistors arranged along a common semiconductor layer. Each of the plurality of memory cell transistors comprises a first source/drain region and a second source/drain region formed in the common semiconductor layer; a gate stack formed on a portion of the common semiconductor layer between the first source/drain region and the second source/drain region; and an electrical floating portion in the portion of the common semiconductor layer, a charge state of the electrical floating portion being adapted to adjust a threshold voltage and a channel conductance of the memory cell transistor. The plurality of memory cell transistors connected in series with each other along the common semiconductor layer provide a memory string.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: March 29, 2022
    Assignees: SK hynix Inc., Duality Inc.
    Inventor: Jin Hong Ahn
  • Publication number: 20210375871
    Abstract: A semiconductor memory device includes a plurality of memory cell transistors arranged along a common semiconductor layer. Each of the plurality of memory cell transistors comprises a first source/drain region and a second source/drain region formed in the common semiconductor layer; a gate stack formed on a portion of the common semiconductor layer between the first source/drain region and the second source/drain region; and an electrical floating portion in the portion of the common semiconductor layer, a charge state of the electrical floating portion being adapted to adjust a threshold voltage and a channel conductance of the memory cell transistor. The plurality of memory cell transistors connected in series with each other along the common semiconductor layer provide a memory string.
    Type: Application
    Filed: August 13, 2021
    Publication date: December 2, 2021
    Inventor: Jin Hong AHN
  • Publication number: 20210375872
    Abstract: A semiconductor memory device includes a plurality of memory cell transistors arranged along a common semiconductor layer. Each of the plurality of memory cell transistors comprises a first source/drain region and a second source/drain region formed in the common semiconductor layer; a gate stack formed on a portion of the common semiconductor layer between the first source/drain region and the second source/drain region; and an electrical floating portion in the portion of the common semiconductor layer, a charge state of the electrical floating portion being adapted to adjust a threshold voltage and a channel conductance of the memory cell transistor. The plurality of memory cell transistors connected in series with each other along the common semiconductor layer provide a memory string.
    Type: Application
    Filed: August 13, 2021
    Publication date: December 2, 2021
    Inventor: Jin Hong AHN
  • Patent number: 10817765
    Abstract: The present invention discloses an asynchronous serial communication system and method. The asynchronous serial communication system may include a semiconductor device having two terminals and configured to receive a voltage required for an operation from data transmitted through one terminal; and a controller configured to perform asynchronous serial communication with the semiconductor device with two terminals. The asynchronous serial communication system may perform asynchronous serial communication between the semiconductor device and the controller in order to write or read data through the one terminal.
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: October 27, 2020
    Assignee: DUALITY INC.
    Inventor: Jin Hong Ahn
  • Patent number: 10629503
    Abstract: A semiconductor device and a method of fabricating the same are disclosed. A semiconductor device according to an embodiment of the present invention includes: a first type doped semiconductor substrate; a second type doped deep well configured such that one or more semiconductor device elements are formed therein; a first type doped first well formed inside a region surrounded by the deep well of the one surface of the semiconductor substrate, and separated from the semiconductor substrate by the deep well; a first electrical contact formed on a part of the one surface of the semiconductor substrate, and electrically connected to the first well; and a second electrical contact formed on another surface of the semiconductor substrate.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: April 21, 2020
    Assignee: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Jin Hong Ahn, Young June Park
  • Publication number: 20190304979
    Abstract: A semiconductor memory device includes a plurality of memory cell transistors arranged along a common semiconductor layer. Each of the plurality of memory cell transistors comprises a first source/drain region and a second source/drain region formed in the common semiconductor layer; a gate stack formed on a portion of the common semiconductor layer between the first source/drain region and the second source/drain region; and an electrical floating portion in the portion of the common semiconductor layer, a charge state of the electrical floating portion being adapted to adjust a threshold voltage and a channel conductance of the memory cell transistor. The plurality of memory cell transistors connected in series with each other along the common semiconductor layer provide a memory string.
    Type: Application
    Filed: March 27, 2019
    Publication date: October 3, 2019
    Inventor: Jin Hong AHN
  • Publication number: 20190214320
    Abstract: A semiconductor device and a method of fabricating the same are disclosed. A semiconductor device according to an embodiment of the present invention includes: a first type doped semiconductor substrate; a second type doped deep well configured such that one or more semiconductor device elements are formed therein; a first type doped first well formed inside a region surrounded by the deep well of the one surface of the semiconductor substrate, and separated from the semiconductor substrate by the deep well; a first electrical contact formed on a part of the one surface of the semiconductor substrate, and electrically connected to the first well; and a second electrical contact formed on another surface of the semiconductor substrate.
    Type: Application
    Filed: March 15, 2019
    Publication date: July 11, 2019
    Inventors: Jin Hong Ahn, Young June Park
  • Publication number: 20190192019
    Abstract: A biosensor including: a first electrode; a second electrode spaced from the first electrode; a channel unit electrically connected at a portion with the first electrode and electrically connected at another portion with the second electrode; a stimuli source electrically connected with the channel unit and applying an electric stimulus; and probes connected to the channel unit and complementarily bound with target materials to sense.
    Type: Application
    Filed: February 22, 2019
    Publication date: June 27, 2019
    Applicant: SNU R&DB FOUNDATION
    Inventors: Young-june PARK, Jun-myung WOO, Seok-hyang KIM, Jin-hong AHN
  • Patent number: 10269665
    Abstract: A semiconductor device and a method of fabricating the same are disclosed. A semiconductor device according to an embodiment of the present invention includes: a first type doped semiconductor substrate; a second type doped deep well configured such that one or more semiconductor device elements are formed therein; a first type doped first well formed inside a region surrounded by the deep well of the one surface of the semiconductor substrate, and separated from the semiconductor substrate by the deep well; a first electrical contact formed on a part of the one surface of the semiconductor substrate, and electrically connected to the first well; and a second electrical contact formed on another surface of the semiconductor substrate.
    Type: Grant
    Filed: February 5, 2016
    Date of Patent: April 23, 2019
    Assignee: Seoul National University R&DB Foundation
    Inventors: Jin Hong Ahn, Young June Park
  • Publication number: 20180276516
    Abstract: The present invention discloses an asynchronous serial communication system and method. The asynchronous serial communication system may include a semiconductor device having two terminals and configured to receive a voltage required for an operation from data transmitted through one terminal; and a controller configured to perform asynchronous serial communication with the semiconductor device with two terminals. The asynchronous serial communication system may perform asynchronous serial communication between the semiconductor device and the controller in order to write or read data through the one terminal.
    Type: Application
    Filed: August 19, 2016
    Publication date: September 27, 2018
    Applicant: DUALITY INC.
    Inventor: Jin Hong AHN
  • Publication number: 20160155678
    Abstract: A semiconductor device and a method of fabricating the same are disclosed. A semiconductor device according to an embodiment of the present invention includes: a first type doped semiconductor substrate; a second type doped deep well configured such that one or more semiconductor device elements are formed therein; a first type doped first well formed inside a region surrounded by the deep well of the one surface of the semiconductor substrate, and separated from the semiconductor substrate by the deep well; a first electrical contact formed on a part of the one surface of the semiconductor substrate, and electrically connected to the first well; and a second electrical contact formed on another surface of the semiconductor substrate.
    Type: Application
    Filed: February 5, 2016
    Publication date: June 2, 2016
    Inventors: Jin Hong Ahn, Young June Park
  • Patent number: 8917079
    Abstract: A reference potential adjusting apparatus is provided. The reference potential adjusting apparatus includes a reference potential measuring unit configured to measure a potential of a solution, a counter electrode disposed in the solution, and configured to change the potential of the solution through oxidation-reduction reactions with the solution, and a comparator configured to compare a measurement voltage provided by the reference voltage measuring unit to a reference voltage provided by a reference voltage supply unit, and to adjust reactions of the counter electrode with the solution according to the result of the comparison. The reference potential measuring unit includes a reference electrode, a common electrode disposed to be spaced apart from the reference electrode, and at least one nano structure contacting the reference electrode and the common electrode, and having electrical conductivity changing according to the potential of the solution.
    Type: Grant
    Filed: February 16, 2011
    Date of Patent: December 23, 2014
    Assignee: SNU R&DB Foundation
    Inventors: Jin Hong Ahn, Young June Park
  • Patent number: 8891275
    Abstract: A memory includes at least one first substrate on which unit memory arrays are disposed as a matrix type, each unit memory array including unit memory cells disposed in an array, a second substrate stacked with the at least one first substrate, the second substrate including a sense amplifier region in which sense amplifiers configured to sense information stored in the unit memory cells are disposed, and a plurality of vertical conduction traces configured to electrically connect the at least one first substrate with the second substrate. The sense amplifier region is disposed in a memory region of the second substrate, wherein the memory region of the second substrate corresponds to the memory region of the first substrate.
    Type: Grant
    Filed: October 25, 2013
    Date of Patent: November 18, 2014
    Assignee: SNU R&DB Foundation
    Inventors: Jin-Hong Ahn, Young-June Park
  • Publication number: 20140119090
    Abstract: A memory includes at least one first substrate on which unit memory arrays are disposed as a matrix type, each unit memory array including unit memory cells disposed in an array, a second substrate stacked with the at least one first substrate, the second substrate including a sense amplifier region in which sense amplifiers configured to sense information stored in the unit memory cells are disposed, and a plurality of vertical conduction traces configured to electrically connect the at least one first substrate with the second substrate. The sense amplifier region is disposed in a memory region of the second substrate, wherein the memory region of the second substrate corresponds to the memory region of the first substrate.
    Type: Application
    Filed: October 25, 2013
    Publication date: May 1, 2014
    Applicant: SNU R&DB FOUNDATION
    Inventors: Jin-Hong AHN, Young-June Park
  • Publication number: 20140027314
    Abstract: A binding enhancing apparatus according to the present invention includes: a first electrode; a second electrode spaced from the first electrode; a channel unit electrically connected at a portion with the first electrode and electrically connected at another portion with the second electrode; a stimuli source electrically connected with the channel unit and applying an electric stimulus; and probes connected to the channel unit and complementarily bound with target materials to sense.
    Type: Application
    Filed: July 22, 2013
    Publication date: January 30, 2014
    Inventors: Young June PARK, Jun Myung WOO, Seok Hyang KIM, Jin Hong AHN
  • Patent number: RE45036
    Abstract: A semiconductor memory device includes a first first-type well including a first cell array for storing a data to apply the data to one of a first bit line and a first bit line bar, and a first precharge MOS transistor having a second-type channel for equalizing voltage levels of the first bit line and the first bit line bar; a first second-type well including a first sense amplifying MOS transistor having a first-type channel for sensing and amplifying the signal difference between the first bit line and the first bit line bar, and a first connection MOS transistor; and a second first-type well including a second sense amplifying MOS transistor having a second-type channel for sensing and amplifying the signal difference between the first bit line and the first bit line bar.
    Type: Grant
    Filed: February 27, 2013
    Date of Patent: July 22, 2014
    Assignee: Conversant IP N.B. 868 Inc.
    Inventors: Hee-Bok Kang, Jin-Hong Ahn