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).
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Publication number: 20250218687Abstract: A multilayer electronic component includes a body including a capacitance formation portion including a dielectric layer and first and second internal electrodes disposed alternately in a first direction with the dielectric layer interposed therebetween, and cover portions disposed in an upper portion and a lower portion of the capacitance formation portion in the first direction; and external electrodes disposed on the body, wherein the capacitance formation portion includes outer regions adjacent to the cover portion and a central region other than the outer region, and wherein an average thickness of the first internal electrode included in the outer region is greater than an average thickness of the first internal electrode included in the central region, and an average thickness of the second internal electrode included in the outer region is greater than an average thickness of the second internal electrode included in the central region.Type: ApplicationFiled: December 6, 2024Publication date: July 3, 2025Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Seung Yeon LEE, Young Don CHOI, Gyeong Ju SONG, Sang Eon PARK, Hyun Min LIM, Sung Hyung KANG, Sung Soon CHAE
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Patent number: 12340867Abstract: 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: GrantFiled: May 25, 2023Date of Patent: June 24, 2025Assignee: Samsung Electronics Co., Ltd.Inventors: Eun-Ji Kim, Jung-June Park, Jeong-Don Ihm, Byung-Hoon Jeong, Young-Don Choi
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Patent number: 12286065Abstract: 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: GrantFiled: August 31, 2022Date of Patent: April 29, 2025Assignees: Hyundai Motor Company, Kia Corporation, Ajou University Industry-Academic Cooperation FoundationInventors: 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
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Patent number: 12219774Abstract: 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: GrantFiled: July 26, 2021Date of Patent: February 4, 2025Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Min Jae Lee, Jin Do Byun, Young-Hoon Son, Young Don Choi, Pan Suk Kwak, Myung Hun Lee, Jung Hwan Choi
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Publication number: 20240371457Abstract: 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: ApplicationFiled: July 18, 2024Publication date: November 7, 2024Inventors: EUN-JI KIM, JUNG-JUNE PARK, JEONG-DON IHM, BYUNG-HOON JEONG, YOUNG-DON CHOI
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Publication number: 20240343694Abstract: A pyrimidine derivative, a method for preparing the pyrimidine derivative, and a pharmaceutical composition comprising the pyrimidine derivative are disclosed. Also disclosed is a method for preventing or treating cancer which includes administering the pyrimidine derivative or a composition containing the pyrimidine derivative to a subject in need of cancer treatment or prevention.Type: ApplicationFiled: August 1, 2022Publication date: October 17, 2024Applicants: KOREA RESERARCH INSTITUTE OF CHEMICAL TECHNOLOGY, INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITYInventors: Kwangho LEE, Krishna Babu DUGGIRALA, Gil Don CHOI, Chong Hak CHAE, Myoung Eun JUNG, Yujin LEE, Byoung Chul CHO
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Patent number: 12112827Abstract: 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: GrantFiled: June 29, 2022Date of Patent: October 8, 2024Assignee: 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
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Patent number: 12093569Abstract: 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: GrantFiled: July 6, 2022Date of Patent: September 17, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Joo Hwan Kim, Su Cheol Lee, Jin Do Byun, Eun Seok Shin, Young Don Choi, Jung Hwan Choi
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Patent number: 12073898Abstract: 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: GrantFiled: July 28, 2023Date of Patent: August 27, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Eun-Ji Kim, Jung-June Park, Jeong-Don Ihm, Byung-Hoon Jeong, Young-Don Choi
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Patent number: 12057194Abstract: 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: GrantFiled: May 25, 2023Date of Patent: August 6, 2024Assignee: Samsung Electronics Co., Ltd.Inventors: Hyeok Jun Choi, Young Chul Cho, Seung Jin Park, Jae Woo Park, Young Don Choi, Jung Hwan Choi
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Publication number: 20240021259Abstract: 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: ApplicationFiled: July 28, 2023Publication date: January 18, 2024Inventors: EUN-JI KIM, JUNG-JUNE PARK, JEONG-DON IHM, BYUNG-HOON JEONG, YOUNG-DON CHOI
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INDUCTIVELY COUPLED PLASMA APPARATUS FOR EXHAUST GAS TREATMENT AND IMPEDANCE MATCHING METHOD THEREOF
Publication number: 20230377842Abstract: 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: ApplicationFiled: February 9, 2022Publication date: November 23, 2023Applicant: LOT CES CO., LTD.Inventors: Jin Ho BAE, Min Jae KIM, Sang Don CHOI -
Publication number: 20230298645Abstract: 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: ApplicationFiled: May 25, 2023Publication date: September 21, 2023Applicant: Samsung Electronics Co., Ltd.Inventors: Hyeok Jun CHOI, Young Chul CHO, Seung Jin PARK, Jae Woo PARK, Young Don CHOI, Jung Hwan CHOI
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Publication number: 20230298639Abstract: 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: ApplicationFiled: May 25, 2023Publication date: September 21, 2023Inventors: EUN-JI KIM, JUNG-JUNE PARK, JEONG-DON IHM, BYUNG-HOON JEONG, YOUNG-DON CHOI
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Patent number: 11742040Abstract: 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: GrantFiled: March 25, 2022Date of Patent: August 29, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Eun-Ji Kim, Jung-June Park, Jeong-Don Ihm, Byung-Hoon Jeong, Young-Don Choi
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Patent number: 11705166Abstract: 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: GrantFiled: February 23, 2021Date of Patent: July 18, 2023Assignee: Samsung Electronics Co., Ltd.Inventors: Eun-Ji Kim, Jung-June Park, Jeong-Don Ihm, Byung-Hoon Jeong, Young-Don Choi
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Patent number: 11682436Abstract: 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: GrantFiled: July 14, 2021Date of Patent: June 20, 2023Assignee: Samsung Electronics Co., Ltd.Inventors: Hyeok Jun Choi, Young Chul Cho, Seung Jin Park, Jae Woo Park, Young Don Choi, Jung Hwan Choi
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Publication number: 20230143365Abstract: 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: ApplicationFiled: June 29, 2022Publication date: May 11, 2023Applicant: 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
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Publication number: 20230138845Abstract: 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: ApplicationFiled: July 6, 2022Publication date: May 4, 2023Inventors: Joo Hwan KIM, Su Cheol LEE, Jin Do BYUN, Eun Seok SHIN, Young Don CHOI, Jung Hwan CHOI
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Publication number: 20230069876Abstract: 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: ApplicationFiled: August 31, 2022Publication date: March 9, 2023Inventors: 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