Patents by Inventor Jian-Jhong Chen

Jian-Jhong Chen 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: 11955154
    Abstract: A sense amplifier circuit includes a sense amplifier, a switch and a temperature compensation circuit. The temperature compensation circuit provides a control signal having a positive temperature coefficient, based on which the switch provides reference impedance for temperature compensation. The sense amplifier includes a first input end coupled to a target bit and a second input end coupled to the switch. The sense amplifier outputs a sense amplifier signal based on the reference impedance and the impedance of the target bit.
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: April 9, 2024
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Cheng-Tung Huang, Jen-Yu Wang, Po-Chun Yang, Yi-Ting Wu, Yung-Ching Hsieh, Jian-Jhong Chen, Chia-Wei Lee
  • Patent number: 11942130
    Abstract: A bottom-pinned spin-orbit torque magnetic random access memory (SOT-MRAM) is provided in the present invention, including a substrate, a bottom electrode layer on the substrate, a magnetic tunnel junction (MTJ) on the bottom electrode layer, a spin-orbit torque (SOT) layer on the MTJ, a capping layer on the SOT layer, and an injection layer on the capping layer, wherein the injection layer is divided into individual first part and second part, and the first part and the second part are connected respectively with two ends of the capping layer.
    Type: Grant
    Filed: March 23, 2022
    Date of Patent: March 26, 2024
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Jian-Jhong Chen, Yi-Ting Wu, Jen-Yu Wang, Cheng-Tung Huang, Po-Chun Yang, Yung-Ching Hsieh
  • Patent number: 11903325
    Abstract: A memory device includes a substrate; an active area extending along a first direction on the substrate; a gate line traversing the active area and extending along a second direction that is not parallel to the first direction; a source doped region in the active area and on a first side of the gate line; a main source line extending along the first direction; a source line extension coupled to the main source line and extending along the second direction; a drain doped region in the active area and on a second side of the gate line that is opposite to the first side; and a data storage element electrically coupled to the drain doped region. The main source line is electrically connected to the source doped region via the source line extension.
    Type: Grant
    Filed: May 2, 2022
    Date of Patent: February 13, 2024
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Yi-Ting Wu, Yan-Jou Chen, Cheng-Tung Huang, Jen-Yu Wang, Po-Chun Yang, Yung-Ching Hsieh, Jian-Jhong Chen, Bo-Chang Li
  • Publication number: 20230343379
    Abstract: A sense amplifier circuit includes a sense amplifier, a switch and a temperature compensation circuit. The temperature compensation circuit provides a control signal having a positive temperature coefficient, based on which the switch provides reference impedance for temperature compensation. The sense amplifier includes a first input end coupled to a target bit and a second input end coupled to the switch. The sense amplifier outputs a sense amplifier signal based on the reference impedance and the impedance of the target bit.
    Type: Application
    Filed: May 16, 2022
    Publication date: October 26, 2023
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Cheng-Tung Huang, Jen-Yu Wang, Po-Chun Yang, Yi-Ting Wu, Yung-Ching Hsieh, Jian-Jhong Chen, Chia-Wei Lee
  • Publication number: 20230282260
    Abstract: A bottom-pinned spin-orbit torque magnetic random access memory (SOT-MRAM) is provided in the present invention, including a substrate, a bottom electrode layer on the substrate, a magnetic tunnel junction (MTJ) on the bottom electrode layer, a spin-orbit torque (SOT) layer on the MTJ, a capping layer on the SOT layer, and an injection layer on the capping layer, wherein the injection layer is divided into individual first part and second part, and the first part and the second part are connected respectively with two ends of the capping layer.
    Type: Application
    Filed: March 23, 2022
    Publication date: September 7, 2023
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Jian-Jhong Chen, Yi-Ting Wu, Jen-Yu Wang, Cheng-Tung Huang, Po-Chun Yang, Yung-Ching Hsieh
  • Publication number: 20220384523
    Abstract: A MRAM circuit structure is provided in the present invention, with the unit cell composed of three transistors in series and four MTJs, wherein the junction between first transistor and third transistor is first node, the junction between second transistor and third transistor is second node, and the other ends of first transistor and third transistor are connected to a common source line. First MTJ is connected to second MTJ in series to form a first MTJ pair that connecting to the first node, and third MTJ is connected to fourth MTJ in series to form a second MTJ pair that connecting to the second node.
    Type: Application
    Filed: July 7, 2021
    Publication date: December 1, 2022
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Yi-Ting Wu, Cheng-Tung Huang, Jen-Yu Wang, Yung-Ching Hsieh, Po-Chun Yang, Jian-Jhong Chen, Bo-Chang Li
  • Publication number: 20220263012
    Abstract: A memory device includes a substrate; an active area extending along a first direction on the substrate; a gate line traversing the active area and extending along a second direction that is not parallel to the first direction; a source doped region in the active area and on a first side of the gate line; a main source line extending along the first direction; a source line extension coupled to the main source line and extending along the second direction; a drain doped region in the active area and on a second side of the gate line that is opposite to the first side; and a data storage element electrically coupled to the drain doped region. The main source line is electrically connected to the source doped region via the source line extension.
    Type: Application
    Filed: May 2, 2022
    Publication date: August 18, 2022
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Yi-Ting Wu, Yan-Jou Chen, Cheng-Tung Huang, Jen-Yu Wang, Po-Chun Yang, Yung-Ching Hsieh, Jian-Jhong Chen, Bo-Chang Li
  • Patent number: 11355695
    Abstract: A memory device includes a substrate; an active area extending along a first direction on the substrate; a gate line traversing the active area and extending along a second direction that is not parallel to the first direction; a source doped region in the active area and on a first side of the gate line; a main source line extending along the first direction; a source line extension coupled to the main source line and extending along the second direction; a drain doped region in the active area and on a second side of the gate line that is opposite to the first side; and a data storage element electrically coupled to the drain doped region. The main source line is electrically connected to the source doped region via the source line extension.
    Type: Grant
    Filed: April 19, 2020
    Date of Patent: June 7, 2022
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Yi-Ting Wu, Yan-Jou Chen, Cheng-Tung Huang, Jen-Yu Wang, Po-Chun Yang, Yung-Ching Hsieh, Jian-Jhong Chen, Bo-Chang Li
  • Patent number: 11238912
    Abstract: In an MRAM, each unit cell includes two non-volatile storage units, three N-type transistors and three P-type transistors. Each N-type transistor is coupled in parallel with a corresponding P-type transistor for forming a transmission gate which provides bi-directional current, thereby preventing source degeneration.
    Type: Grant
    Filed: January 11, 2021
    Date of Patent: February 1, 2022
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Yi-Ting Wu, Cheng-Tung Huang, Jen-Yu Wang, Yung-Ching Hsieh, Po-Chun Yang, Jian-Jhong Chen, Bo-Chang Li
  • Publication number: 20210313509
    Abstract: A memory device includes a substrate; an active area extending along a first direction on the substrate; a gate line traversing the active area and extending along a second direction that is not parallel to the first direction; a source doped region in the active area and on a first side of the gate line; a main source line extending along the first direction; a source line extension coupled to the main source line and extending along the second direction; a drain doped region in the active area and on a second side of the gate line that is opposite to the first side; and a data storage element electrically coupled to the drain doped region. The main source line is electrically connected to the source doped region via the source line extension.
    Type: Application
    Filed: April 19, 2020
    Publication date: October 7, 2021
    Inventors: Yi-Ting Wu, Yan-Jou Chen, Cheng-Tung Huang, Jen-Yu Wang, Po-Chun Yang, Yung-Ching Hsieh, Jian-Jhong Chen, Bo-Chang Li
  • Publication number: 20210183944
    Abstract: A layout pattern for magnetoresistive random access memory (MRAM) includes a first magnetic tunneling junction (MTJ) pattern on a substrate, a second MTJ pattern adjacent to the first MTJ pattern, and a third MTJ pattern between the first MTJ pattern and the second MTJ pattern. Preferably, the first MTJ pattern, the second MTJ pattern, and the third MTJ pattern constitute a staggered arrangement.
    Type: Application
    Filed: January 20, 2020
    Publication date: June 17, 2021
    Inventors: Yi-Ting Wu, Jian-Jhong Chen, Po-Chun Yang, Jhen-Siang Wu, Yung-Ching Hsieh, Bo-Chang Li, Jen-Yu Wang, Cheng-Tung Huang
  • Patent number: 11018185
    Abstract: A layout pattern for magnetoresistive random access memory (MRAM) includes a first magnetic tunneling junction (MTJ) pattern on a substrate, a second MTJ pattern adjacent to the first MTJ pattern, and a third MTJ pattern between the first MTJ pattern and the second MTJ pattern. Preferably, the first MTJ pattern, the second MTJ pattern, and the third MTJ pattern constitute a staggered arrangement.
    Type: Grant
    Filed: January 20, 2020
    Date of Patent: May 25, 2021
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Yi-Ting Wu, Jian-Jhong Chen, Po-Chun Yang, Jhen-Siang Wu, Yung-Ching Hsieh, Bo-Chang Li, Jen-Yu Wang, Cheng-Tung Huang
  • Patent number: 10978122
    Abstract: A memory includes (n?1) non-volatile cells, (n?1) bit lines and a current driving circuit. Each of the (n?1) non-volatile cells includes a first terminal and a second terminal. An ith bit line of the (n?1) bit lines is coupled to a first terminal of an ith non-volatile cell of the (n?1) non-volatile cells. The current driving circuit includes n first transistors coupled to the (n?1) non-volatile cells.
    Type: Grant
    Filed: February 21, 2020
    Date of Patent: April 13, 2021
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Chun-Yen Tseng, Yu-Tse Kuo, Chang-Hung Chen, Shu-Ru Wang, Ya-Lan Chiou, Chun-Hsien Huang, Chih-Wei Tsai, Hsin-Chih Yu, Yi-Ting Wu, Cheng-Tung Huang, Jen-Yu Wang, Jhen-Siang Wu, Po-Chun Yang, Yung-Ching Hsieh, Jian-Jhong Chen, Bo-Chang Li
  • Patent number: 10651235
    Abstract: A first MRAM set includes a first transistor and a second transistor. The first transistor includes a first gate structure, a first source/drain doping region and a first common source/drain doping region. The second transistor includes a second gate structure, a second source/drain doping region and the first common source/drain doping region. A second MTJ is disposed on the second transistor. The first common source/drain doping region electrically connects to the second MTJ. A first MTJ is disposed on the first transistor. The sizes of the first MTJ and the second MTJ are different. The second MTJ connects to the first MTJ in series. A bit line electrically connects the first MTJ. A source line electrically connects to the first source/drain doping region and the second source/drain doping region.
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: May 12, 2020
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Yi-Ting Wu, Jhen-Siang Wu, Po-Chun Yang, Yung-Ching Hsieh, Zong-Sheng Zheng, Jian-Jhong Chen, Jen-Yu Wang, Cheng-Tung Huang
  • Patent number: 8522602
    Abstract: A system is provided for detecting a liquid sample, and includes: a flow cell assembly formed with a sample receiving space therein, and inlet and outlet channels extending to the sample receiving space for guiding the liquid sample into and away from the sample receiving space; a sensor device including a sample detecting unit that is disposed in the sample receiving space, and that is operable to detect the liquid sample and to generate a detection signal accordingly, and a signal conducting unit that is connected electrically to the sensor device for conducting the detection signal therefrom; and a liquid introducing unit and a liquid discharging unit coupled to the inlet and outlet channels and cooperating therewith to form an introducing path and a discharging path for introducing the liquid sample into and for discharging the liquid sample from the sample receiving space, respectively.
    Type: Grant
    Filed: April 21, 2011
    Date of Patent: September 3, 2013
    Assignee: I Shou University
    Inventors: Chi-Yen Shen, Ke-Nung Huang, Shen-Li Fu, Jian-Jhong Chen, Yu-Fong Huang
  • Publication number: 20120266662
    Abstract: A system is provided for detecting a liquid sample, and includes: a flow cell assembly formed with a sample receiving space therein, and inlet and outlet channels extending to the sample receiving space for guiding the liquid sample into and away from the sample receiving space; a sensor device including a sample detecting unit that is disposed in the sample receiving space, and that is operable to detect the liquid sample and to generate a detection signal accordingly, and a signal conducting unit that is connected electrically to the sensor device for conducting the detection signal therefrom; and a liquid introducing unit and a liquid discharging unit coupled to the inlet and outlet channels and cooperating therewith to form an introducing path and a discharging path for introducing the liquid sample into and for discharging the liquid sample from the sample receiving space, respectively.
    Type: Application
    Filed: April 21, 2011
    Publication date: October 25, 2012
    Applicant: I SHOU UNIVERSITY
    Inventors: Chi-Yen Shen, Ke-Nung Huang, Shen-Li Fu, Jian-Jhong Chen, Yu-Fong Huang
  • Patent number: 8241570
    Abstract: A flow cell device is formed with: a plurality of cell recess portions adapted to cooperate with a plurality of sensor devices to confine a plurality of sample receiving space for receiving a liquid sample, respectively; a plurality of pairs of first and second guiding channels, each pair being in fluid communication with a respective one of the cell recess portions; a number of connecting recess portions each fluidly communicating the first and second guiding channels that respectively extend to a corresponding pair of the cell recess portions such that the liquid sample is able to flow through the sample receiving spaces sequentially; and inlet and outlet channels in fluid communication with the first and second guiding channels that respectively extend to a first one and a last one of the cell recess portions for introducing and discharging the liquid sample into and from the flow cell device, respectively.
    Type: Grant
    Filed: February 3, 2011
    Date of Patent: August 14, 2012
    Assignee: I Shou University
    Inventors: Chi-Yen Shen, Jian-Jhong Chen, Yu-Fong Huang
  • Publication number: 20120199479
    Abstract: A flow cell device is formed with: a plurality of cell recess portions adapted to cooperate with a plurality of sensor devices to confine a plurality of sample receiving space for receiving a liquid sample, respectively; a plurality of pairs of first and second guiding channels, each pair being in fluid communication with a respective one of the cell recess portions; a number of connecting recess portions each fluidly communicating the first and second guiding channels that respectively extend to a corresponding pair of the cell recess portions such that the liquid sample is able to flow through the sample receiving spaces sequentially; and inlet and outlet channels in fluid communication with the first and second guiding channels that respectively extend to a first one and a last one of the cell recess portions for introducing and discharging the liquid sample into and from the flow cell device, respectively.
    Type: Application
    Filed: February 3, 2011
    Publication date: August 9, 2012
    Applicant: I SHOU UNIVERSITY
    Inventors: Chi-Yen Shen, Jian-Jhong Chen, Yu-Fong Huang