Patents by Inventor Don Choi

Don 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).

  • Publication number: 20240154042
    Abstract: A semiconductor device includes a substrate including an upper surface and a lower surface that are opposite to each other in a first direction, an active pattern which is on the upper surface of the substrate and extends in a second direction, a gate electrode which is on the active pattern and extends in a third direction, a first source/drain pattern which is connected to the active pattern on the upper surface of the substrate, and includes a lower epitaxial region and an upper epitaxial region, the upper epitaxial region including an epitaxial recess, and the lower epitaxial region being inside the epitaxial recess, a first source/drain contact, which is connected to the first source/drain pattern and extends into the substrate, and a contact silicide layer, which is between the first source/drain contact and the first source/drain pattern and contacts the lower epitaxial region.
    Type: Application
    Filed: July 17, 2023
    Publication date: May 9, 2024
    Inventors: Jun Ki PARK, Wan Don KIM, Jeong Hyuk YIM, Hyo Seok CHOI, Sung Hwan KIM
  • Publication number: 20240120279
    Abstract: A semiconductor device may include a first film and a second film defining parts of a trench, a plug conductive film, a via, and a wiring in the trench. The trench may include a second sub-trench having a second width below a first sub-trench having a first width. The plug conductive film may extend from a first side of the first film to penetrate a bottom face of the trench. An uppermost face of the plug conducive film may be in the trench. The via may include an insulating liner between the plug conductive film and the first film. The uppermost face of the plug conductive film and at least a part of a side wall of the plug conductive film may be in contact with the wiring. An upper face of the insulating liner may be exposed by a bottom face of the second sub-trench.
    Type: Application
    Filed: September 21, 2023
    Publication date: April 11, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jeong Hyuk YIM, Wan Don KIM, Hyun Bae LEE, Hyo Seok CHOI, Geun Woo KIM
  • Publication number: 20240021259
    Abstract: A nonvolatile memory (NVM) device includes a data pin, a control pin, an on-die termination (ODT) pin, and a plurality of NVM memory chips commonly connected to the data pin and the control pin. A first NVM chip among the NVM chips includes an ODT circuit. The first NVM chip determines one of an ODT write mode and an ODT read mode based on a control signal received through the control pin and an ODT signal received through the ODT pin, uses the ODT circuit to perform an ODT on the data pin during the ODT write mode, and uses the ODT circuit to perform the ODT on the control pin during the ODT read mode.
    Type: Application
    Filed: July 28, 2023
    Publication date: January 18, 2024
    Inventors: EUN-JI KIM, JUNG-JUNE PARK, JEONG-DON IHM, BYUNG-HOON JEONG, YOUNG-DON CHOI
  • Publication number: 20230377842
    Abstract: An inductively coupled plasma apparatus for exhaust gas treatment, includes: an inductively coupled plasma reactor installed on an exhaust pipe through which exhaust gas generated from a process chamber of a semiconductor manufacturing facility is discharged; a power supply configured to supply high-frequency power to the inductively coupled plasma reactor through a transmission line; and an impedance matching unit configured to match impedance of the inductively coupled plasma reactor with impedance of the power supply, wherein the impedance matching unit includes a variable power storage element, an operation data measuring instrument measuring operation data of the inductively coupled plasma reactor, and a controller stepwise adjusting total capacitance by the variable power storage element using an operation data sampling value obtained by the operation data measuring instrument in one operation cycle and reflecting the adjusted total capacitance on starting impedance matching in a next operation cycle.
    Type: Application
    Filed: February 9, 2022
    Publication date: November 23, 2023
    Applicant: LOT CES CO., LTD.
    Inventors: Jin Ho BAE, Min Jae KIM, Sang Don CHOI
  • Publication number: 20230298645
    Abstract: A memory device in which reliability of a clock signal is improved is provided. The memory device comprises a data module including a clock signal generator configured to receive an internal clock signal from a buffer, and to generate a first internal clock signal, a second internal clock signal, a third internal clock signal, and a fourth internal clock signal having different phases, on the basis of the internal clock signal, and a first data signal generator configured to generate a first data signal on the basis of first data and the first internal clock signal, generate a second data signal on the basis of second data and the second internal clock signal, generate a third data signal on the basis of third data and the third internal clock signal, and generate a fourth data signal on the basis of fourth data and the fourth internal clock signal.
    Type: Application
    Filed: May 25, 2023
    Publication date: September 21, 2023
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hyeok Jun CHOI, Young Chul CHO, Seung Jin PARK, Jae Woo PARK, Young Don CHOI, Jung Hwan CHOI
  • Publication number: 20230298639
    Abstract: A memory device includes; a first memory chip including a first on-die Termination (ODT) circuit comprising a first ODT resistor, a second memory chip including a second ODT circuit comprising a second ODT resistor, at least one chip enable signal pin that receives at least one chip enable signal, wherein the at least one chip enable signal selectively enables at least one of the first memory chip and the second memory chip, and an ODT pin commonly connected to the first memory chip and the second memory chip that receives an ODT signal, wherein the ODT signal defines an enable period for at least one of the first ODT circuit and the second ODT circuit, and in response to the ODT signal and the at least one chip enable signal, one of the first ODT resistor and the second ODT resistor is enabled to terminate a signal received by at least one of the first memory chip and the second memory chip.
    Type: Application
    Filed: May 25, 2023
    Publication date: September 21, 2023
    Inventors: EUN-JI KIM, JUNG-JUNE PARK, JEONG-DON IHM, BYUNG-HOON JEONG, YOUNG-DON CHOI
  • Patent number: 11742040
    Abstract: A nonvolatile memory (NVM) device includes a data pin, a control pin, an on-die termination (ODT) pin, and a plurality of NVM memory chips commonly connected to the data pin and the control pin. A first NVM chip among the NVM chips includes an ODT circuit. The first NVM chip determines one of an ODT write mode and an ODT read mode based on a control signal received through the control pin and an ODT signal received through the ODT pin, uses the ODT circuit to perform an ODT on the data pin during the ODT write mode, and uses the ODT circuit to perform the ODT on the control pin during the ODT read mode.
    Type: Grant
    Filed: March 25, 2022
    Date of Patent: August 29, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eun-Ji Kim, Jung-June Park, Jeong-Don Ihm, Byung-Hoon Jeong, Young-Don Choi
  • Patent number: 11705166
    Abstract: A memory device includes; a first memory chip including a first on-die Termination (ODT) circuit comprising a first ODT resistor, a second memory chip including a second ODT circuit comprising a second ODT resistor, at least one chip enable signal pin that receives at least one chip enable signal, wherein the at least one chip enable signal selectively enables at least one of the first memory chip and the second memory chip, and an ODT pin commonly connected to the first memory chip and the second memory chip that receives an ODT signal, wherein the ODT signal defines an enable period for at least one of the first ODT circuit and the second ODT circuit, and in response to the ODT signal and the at least one chip enable signal, one of the first ODT resistor and the second ODT resistor is enabled to terminate a signal received by at least one of the first memory chip and the second memory chip.
    Type: Grant
    Filed: February 23, 2021
    Date of Patent: July 18, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eun-Ji Kim, Jung-June Park, Jeong-Don Ihm, Byung-Hoon Jeong, Young-Don Choi
  • Patent number: 11682436
    Abstract: A memory device in which reliability of a clock signal is improved is provided. The memory device comprises a data module including a clock signal generator configured to receive an internal clock signal from a buffer, and to generate a first internal clock signal, a second internal clock signal, a third internal clock signal, and a fourth internal clock signal having different phases, on the basis of the internal clock signal, and a first data signal generator configured to generate a first data signal on the basis of first data and the first internal clock signal, generate a second data signal on the basis of second data and the second internal clock signal, generate a third data signal on the basis of third data and the third internal clock signal, and generate a fourth data signal on the basis of fourth data and the fourth internal clock signal.
    Type: Grant
    Filed: July 14, 2021
    Date of Patent: June 20, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyeok Jun Choi, Young Chul Cho, Seung Jin Park, Jae Woo Park, Young Don Choi, Jung Hwan Choi
  • Publication number: 20230143365
    Abstract: A method includes measuring a linearity of a first pull-up circuit, a second pull-up circuit, a third pull-up circuit, a first pull-down circuit, a second pull-down circuit and a third pull-down circuit using an initial pull-up code and an initial pull-down code, each of the first pull-up circuit, the second pull-up circuit and the third pull-up circuit having a respective resistance value determined based on a respective pull-up code, and each of the first pull-down circuit, the second pull-down circuit and the third pull-down circuit having a respective resistance value determined based on a respective pull-down code, and determining a calibration setting indicator based on the measurement result, the calibration setting indicator indicating a calibration method of a transmission driver including the first pull-up circuit, the second pull-up circuit, the third pull-up circuit, the first pull-down circuit, the second pull-down circuit and the third pull-down circuit.
    Type: Application
    Filed: June 29, 2022
    Publication date: May 11, 2023
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Joo Hwan KIM, Jun Young PARK, Jin Do BYUN, Kwang Seob SHIN, Eun Seok SHIN, Hyun-Yoon CHO, Young Don CHOI, Jung Hwan CHOI
  • Publication number: 20230138845
    Abstract: A memory device, a host device and a method of operating the memory device are provided. The memory device includes a data signal generator configured to provide a data signal to a transmission driver, the transmission driver configured to output a multi-level signal having any one of first to third signal levels based on the data signal, a command decoder configured to receive a feedback signal from outside of the memory device and decode the feedback signal, a data signal controller configured to adjust the data signal based on a decoding result of the command decoder, and a drive strength controller configured to adjust at least one of the first to third signal levels based on the decoding result of the command decoder.
    Type: Application
    Filed: July 6, 2022
    Publication date: May 4, 2023
    Inventors: Joo Hwan KIM, Su Cheol LEE, Jin Do BYUN, Eun Seok SHIN, Young Don CHOI, Jung Hwan CHOI
  • Publication number: 20230069876
    Abstract: In accordance with an embodiment, a noise reduction device includes a housing; and a slit located inside the housing and having a unit cell located therein, the unit cell comprising a sound absorbing layer configured to absorb noise generated from a sound source inside the housing, and a meta-material panel layer located on one surface of the sound absorbing layer, the meta-material panel layer comprising a sound meta-material.
    Type: Application
    Filed: August 31, 2022
    Publication date: March 9, 2023
    Inventors: Jin Ho Hwang, Ji Ah Kim, Min Ho Cho, Byoung Chul Park, Young Hwan Yoon, Kang Ho Cheon, Eun Gook Kim, Young Don Choi, Jin Woo Lee
  • Patent number: 11600539
    Abstract: A semiconductor device includes a semiconductor die, a defect detection structure and an input-output circuit. The semiconductor die includes a central region and a peripheral region surrounding the central region. The peripheral region includes a left-bottom corner region, a left-upper corner region, a right-upper corner region and a right-bottom corner region. The defect detection structure is formed in the peripheral region. The defect detection structure includes a first conduction loop in the left-bottom corner region, a second conduction loop in the right-bottom corner region, a third conduction loop in the left-bottom corner region and the left-upper corner region and a fourth conduction loop in the right-bottom corner region and the right-upper corner region. The input-output circuit is electrically connected to end nodes of the first conduction loop, the second conduction loop, the third conduction loop and the fourth conduction loop.
    Type: Grant
    Filed: June 23, 2021
    Date of Patent: March 7, 2023
    Inventors: Min-Jae Lee, Sang-Lok Kim, Byung-Hoon Jeong, Tae-Sung Lee, Jeong-Don Ihm, Jae-Yong Jeong, Young-Don Choi
  • Patent number: 11461176
    Abstract: A memory device includes a multiphase clock generator which generates a plurality of divided clock signals, a first error correction block which receives a first divided clock signal among the plurality of divided clock signals, a first data multiplexer which transmits first least significant bit data corresponding to the first divided clock signal, a second error correction block which receives the first divided clock signal, and a second data multiplexer which transmits first most significant bit data corresponding to the first divided clock signal. The first error correction block receives the first least significant bit data and corrects a toggle timing of the first least significant bit data. The second error correction block receives the first most significant bit data and corrects a toggle time of the first most significant bit data.
    Type: Grant
    Filed: August 10, 2021
    Date of Patent: October 4, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun Young Park, Young-Hoon Son, Hyun-Yoon Cho, Young Don Choi, Jung Hwan Choi
  • Publication number: 20220278284
    Abstract: Provided herein are an organic electronic compound capable of improving luminous efficiency, stability and lifespan of an electronic device, an organic electronic element employing the same, and an electronic device thereof.
    Type: Application
    Filed: December 3, 2021
    Publication date: September 1, 2022
    Applicant: DUK SAN NEOLUX CO., LTD.
    Inventors: Ki Ho SO, Sang Don CHOI, Sun Hee LEE, Won Sam KIM, Soung Yun MUN, Jung Wook LEE, Hyung Dong LEE
  • Publication number: 20220215892
    Abstract: A nonvolatile memory (NVM) device includes a data pin, a control pin, an on-die termination (ODT) pin, and a plurality of NVM memory chips commonly connected to the data pin and the control pin. A first NVM chip among the NVM chips includes an ODT circuit. The first NVM chip determines one of an ODT write mode and an ODT read mode based on a control signal received through the control pin and an ODT signal received through the ODT pin, uses the ODT circuit to perform an ODT on the data pin during the ODT write mode, and uses the ODT circuit to perform the ODT on the control pin during the ODT read mode.
    Type: Application
    Filed: March 25, 2022
    Publication date: July 7, 2022
    Inventors: Eun-ji KIM, JUNG-JUNE PARK, JEONG-DON IHM, BYUNG-HOON JEONG, YOUNG-DON CHOI
  • Patent number: 11342038
    Abstract: A nonvolatile memory (NVM) device includes a data pin, a control pin, an on-die termination (ODT) pin, and a plurality of NVM memory chips commonly connected to the data pin and the control pin. A first NVM chip among the NVM chips includes an ODT circuit. The first NVM chip determines one of an ODT write mode and an ODT read mode based on a control signal received through the control pin and an ODT signal received through the ODT pin, uses the ODT circuit to perform an ODT on the data pin during the ODT write mode, and uses the ODT circuit to perform the ODT on the control pin during the ODT read mode.
    Type: Grant
    Filed: January 29, 2021
    Date of Patent: May 24, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eun-Ji Kim, Jung-June Park, Jeong-Don Ihm, Byung-Hoon Jeong, Young-Don Choi
  • Publication number: 20220157845
    Abstract: A non-volatile memory chip comprises a cell region that includes a first surface, a second surface opposite to the first surface, a first cell structure, and a second cell structure spaced apart from the first cell structure; a peripheral circuit region on the first surface of the cell region, and that includes a first peripheral circuit connected to the first cell structure, a second peripheral circuit connected to the second cell structure, and a connection circuit between the first and second peripheral circuits; a through via between the first and second cell structures and that extends from the second surface of the cell region to the connection circuit of the peripheral circuit region; a redistribution layer that covers the through via on the second surface of the cell region, is connected to the through via, and extends along the second surface; and a chip pad connected to the redistribution layer.
    Type: Application
    Filed: July 26, 2021
    Publication date: May 19, 2022
    Inventors: MIN JAE LEE, Jin Do Byun, Young-Hoon Son, Young Don Choi, Pan Suk Kwak, Myung Hun Lee, Jung Hwan Choi
  • Publication number: 20220148634
    Abstract: A memory device in which reliability of a clock signal is improved is provided. The memory device comprises a data module including a clock signal generator configured to receive an internal clock signal from a buffer, and to generate a first internal clock signal, a second internal clock signal, a third internal clock signal, and a fourth internal clock signal having different phases, on the basis of the internal clock signal, and a first data signal generator configured to generate a first data signal on the basis of first data and the first internal clock signal, generate a second data signal on the basis of second data and the second internal clock signal, generate a third data signal on the basis of third data and the third internal clock signal, and generate a fourth data signal on the basis of fourth data and the fourth internal clock signal.
    Type: Application
    Filed: July 14, 2021
    Publication date: May 12, 2022
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hyeok Jun CHOI, Young Chul CHO, Seung Jin PARK, Jae Woo PARK, Young Don CHOI, Jung Hwan CHOI
  • Patent number: RE49206
    Abstract: A nonvolatile memory device includes a first memory structure. The first memory structure includes first through N-th memory dies that may be connected to an external memory controller via a first channel. N is a natural number equal to or greater than two. At least one of the first through N-th memory dies is configured to be used as a first representative die that performs an on-die termination (ODT) operation while a data write operation is performed for one of the first through N-th memory dies.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: September 6, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dae-Woon Kang, Jeong-don Ihm, Byung-Hoon Jeong, Young-Don Choi