Patents by Inventor E. Yu

E. Yu 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: 20230047662
    Abstract: A microelectronic device comprises a base structure, a memory array overlying the base structure, and a conductive pad tier overlying the memory array. The base structure comprises a logic region including logic devices. The memory array comprises vertically extending strings of memory cells within a horizontal area of the logic region of the base structure. The conductive pad tier comprises first conductive pads substantially outside of the horizontal area of the logic region of the base structure, and second conductive pads horizontally neighboring the first conductive pads and within the horizontal area of the logic region of the base structure. Memory devices and electronic systems are also described.
    Type: Application
    Filed: August 13, 2021
    Publication date: February 16, 2023
    Inventors: Erwin E. Yu, Michele Piccardi, Surendranath C. Eruvuru
  • Publication number: 20230039026
    Abstract: Memory devices might include a first latch to store a first data bit; a second latch to store a second data bit; a data line selectively connected to the first latch, the second latch, and a string of series-connected memory cells; and a controller configured to bias the data line during a programing operation of a selected memory cell. The controller may with the first data bit equal to 0 and the second data bit equal to 0, bias the data line to a first voltage level; with the first data bit equal to 1 and the second data bit equal to 0, bias the data line to a second voltage level; with the first data bit equal to 0 and the second data bit equal to 1, bias the data line to a third voltage level; and with the first data bit equal to 1 and the second data bit equal to 1, bias the data line to a fourth voltage level.
    Type: Application
    Filed: August 9, 2021
    Publication date: February 9, 2023
    Applicant: MICRON TECHNOLOGY, INC.
    Inventors: Hao T. Nguyen, Tomoko Ogura Iwasaki, Erwin E. Yu, Dheeraj Srinivasan, Sheyang Ning, Lawrence Celso Miranda, Aaron S. Yip, Yoshihiko Kamata
  • Patent number: 11562791
    Abstract: Memory devices might include a first latch to store a first data bit; a second latch to store a second data bit; a data line selectively connected to the first latch, the second latch, and a string of series-connected memory cells; and a controller configured to bias the data line during a programing operation of a selected memory cell. The controller may with the first data bit equal to 0 and the second data bit equal to 0, bias the data line to a first voltage level; with the first data bit equal to 1 and the second data bit equal to 0, bias the data line to a second voltage level; with the first data bit equal to 0 and the second data bit equal to 1, bias the data line to a third voltage level; and with the first data bit equal to 1 and the second data bit equal to 1, bias the data line to a fourth voltage level.
    Type: Grant
    Filed: August 9, 2021
    Date of Patent: January 24, 2023
    Assignee: Micron Technology, Inc.
    Inventors: Hao T. Nguyen, Tomoko Ogura Iwasaki, Erwin E. Yu, Dheeraj Srinivasan, Sheyang Ning, Lawrence Celso Miranda, Aaron S. Yip, Yoshihiko Kamata
  • Patent number: 11557341
    Abstract: Memory array structures providing for determination of resistive characteristics of access lines might include a first block of memory cells, a second block of memory cells, a first current path between a particular access line of the first block of memory cells and a particular access line of the second block of memory cells, and, optionally, a second current path between the particular access line of the second block of memory cells and a different access line of the first block of memory cells. Methods for determining resistive characteristics of access lines might include connecting the particular access line of the first block of memory cells to a driver, and determining the resistive characteristics in response to a current level through that access line and a voltage level of that access line.
    Type: Grant
    Filed: September 3, 2020
    Date of Patent: January 17, 2023
    Assignee: Micron Technology, Inc.
    Inventors: Dan Xu, Jun Xu, Erwin E. Yu, Paolo Tessariol, Tomoko Ogura Iwasaki
  • Patent number: 11557351
    Abstract: A device includes a memory array and a sense circuit coupled with the memory array. The sense circuit includes a sense node coupled with a data line of the memory array. A first sensing path includes a first transistor having a first gate coupled with the sense node. A second sensing path includes a second transistor having a second gate coupled with the sense node. A first threshold voltage of the first transistors differs from a second threshold voltage of the second transistor by a threshold voltage gap.
    Type: Grant
    Filed: April 19, 2021
    Date of Patent: January 17, 2023
    Assignee: Micron Technology, Inc.
    Inventors: Luyen Tien Vu, Erwin E. Yu, Jeffrey Ming-Hung Tsai
  • Publication number: 20220404408
    Abstract: Apparatus having an array of memory cells and a controller for access of the array of memory cells, wherein the controller is configured to cause the apparatus to apply a reference current to a selected access line, determine a time difference between a voltage level of a near end of the selected access line being deemed to exceed a first voltage level while applying the reference current and the voltage level of the near end of the selected access line being deemed to exceed a second voltage level while applying the reference current, and determine a capacitance value of the selected access line in response to a current level of the reference current, the time difference, and a voltage difference between the second voltage level and the first voltage level.
    Type: Application
    Filed: August 24, 2022
    Publication date: December 22, 2022
    Applicant: MICRON TECHNOLOGY, INC.
    Inventors: Dan Xu, Jun Xu, Erwin E. Yu
  • Patent number: 11532367
    Abstract: A first programming pulse is caused to be applied to a wordline associated with a memory cell of the memory sub-system. In response to first programming pulse, causing a program verify operation to be performed to determine a measured threshold voltage associated with the memory cell. The measured threshold voltage associated with the memory cell is stored in a sensing node. A determination is made that the measured threshold voltage of the memory cell satisfies a condition and the measured threshold voltage stored in the sensing node is identified. A bitline voltage matching the measured threshold voltage is caused to be applied to a bitline associated with the memory cell.
    Type: Grant
    Filed: December 8, 2020
    Date of Patent: December 20, 2022
    Assignee: MICRON TECHNOLOGY, INC.
    Inventors: Jun Xu, Violante Moschiano, Erwin E. Yu
  • Patent number: 11442091
    Abstract: Apparatus having an array of memory cells and a controller for access of the array of memory cells, wherein the controller is configured to cause the apparatus to determine capacitance and/or resistance values of an access line in response to applying a reference current to the access line, wherein the access line is connected to control gates of memory cells of the array of memory cells.
    Type: Grant
    Filed: May 19, 2020
    Date of Patent: September 13, 2022
    Assignee: Micron Technology, Inc.
    Inventors: Dan Xu, Jun Xu, Erwin E. Yu
  • Publication number: 20220277795
    Abstract: A processing device in a memory system receives an erase request to erase data stored at a data block of a memory device, the erase request identifying a selected sub-block of a plurality of sub-blocks of the data block for erase, each of the plurality of sub-blocks comprising select gate devices (SGDs) and data storage devices. For each sub-block of the plurality of sub-blocks not selected for erase, the processing device applies an input voltage at a bitline of the respective sub-block and applies a plurality of gate voltages to a plurality of wordlines of the respective sub-block, the plurality of wordlines are coupled to the SGDs and to the data storage devices, each voltage of the plurality of voltages applied to a successive wordline of the plurality of wordlines is less than a previous voltage applied to a previous wordline.
    Type: Application
    Filed: May 16, 2022
    Publication date: September 1, 2022
    Inventors: Kalyan Chakravarthy Kavalipurapu, Tomoko Ogura Iwasaki, Erwin E. Yu, Hong-Yan Chen, Yunfei Xu
  • Publication number: 20220208278
    Abstract: A device includes a memory array and a sense circuit coupled with the memory array. The sense circuit includes a sense node coupled with a data line of the memory array. A first sensing path includes a first transistor having a first gate coupled with the sense node. A second sensing path includes a second transistor having a second gate coupled with the sense node. A first threshold voltage of the first transistors differs from a second threshold voltage of the second transistor by a threshold voltage gap.
    Type: Application
    Filed: April 19, 2021
    Publication date: June 30, 2022
    Inventors: Luyen Tien Vu, Erwin E. Yu, Jeffrey Ming-Hung Tsai
  • Publication number: 20220180952
    Abstract: A first programming pulse is caused to be applied to a wordline associated with a memory cell of the memory sub-system. In response to first programming pulse, causing a program verify operation to be performed to determine a measured threshold voltage associated with the memory cell. The measured threshold voltage associated with the memory cell is stored in a sensing node. A determination is made that the measured threshold voltage of the memory cell satisfies a condition and the measured threshold voltage stored in the sensing node is identified. A bitline voltage matching the measured threshold voltage is caused to be applied to a bitline associated with the memory cell.
    Type: Application
    Filed: December 8, 2020
    Publication date: June 9, 2022
    Inventors: Jun Xu, Violante Moschiano, Erwin E. Yu
  • Patent number: 11335412
    Abstract: A processing device in a memory system receives an erase request to erase data stored at a data block of a memory device, the erase request identifying a selected sub-block of a plurality of sub-blocks of the data block for erase, each of the plurality of sub-blocks comprising select gate devices (SGDs) and data storage devices. For each sub-block of the plurality of sub-blocks not selected for erase, the processing device applies an input voltage at a bitline of the respective sub-block and applies a plurality of gate voltages to a plurality of wordlines of the respective sub-block, the plurality of wordlines are coupled to the SGDs and to the data storage devices, each voltage of the plurality of voltages applied to a successive wordline of the plurality of wordlines is less than a previous voltage applied to a previous wordline by an amount equal to a step down interval.
    Type: Grant
    Filed: August 12, 2020
    Date of Patent: May 17, 2022
    Assignee: Micron Technology, Inc.
    Inventors: Kalyan Chakravarthy Kavalipurapu, Tomoko Ogura Iwasaki, Erwin E. Yu, Hong-Yan Chen, Yunfei Xu
  • Publication number: 20220001091
    Abstract: A system for liquid component fractionation includes a first container, a second container, a tunnel connecting member and a stopcock valve. The stopcock valve is a three-way valve disposed at the tunnel connecting member and is rotatable to align one of three ports of the stopcock valve to a collection outlet member of the tunnel connecting member, so as to facilitate collection of a fractionated layer from a liquid after the system is centrifuged.
    Type: Application
    Filed: July 3, 2020
    Publication date: January 6, 2022
    Inventors: Arthur Y. Yu, Jim J. Ye, David E. Yu
  • Publication number: 20210201993
    Abstract: Memory array structures providing for determination of resistive characteristics of access lines might include a first block of memory cells, a second block of memory cells, a first current path between a particular access line of the first block of memory cells and a particular access line of the second block of memory cells, and, optionally, a second current path between the particular access line of the second block of memory cells and a different access line of the first block of memory cells. Methods for determining resistive characteristics of access lines might include connecting the particular access line of the first block of memory cells to a driver, and determining the resistive characteristics in response to a current level through that access line and a voltage level of that access line.
    Type: Application
    Filed: September 3, 2020
    Publication date: July 1, 2021
    Applicant: MICRON TECHNOLOGY, INC.
    Inventors: Dan Xu, Jun Xu, Erwin E. Yu, Paolo Tessariol, Tomoko Ogura Iwasaki
  • Publication number: 20210202009
    Abstract: A processing device in a memory system receives an erase request to erase data stored at a data block of a memory device, the erase request identifying a selected sub-block of a plurality of sub-blocks of the data block for erase, each of the plurality of sub-blocks comprising select gate devices (SGDs) and data storage devices. For each sub-block of the plurality of sub-blocks not selected for erase, the processing device applies an input voltage at a bitline of the respective sub-block and applies a plurality of gate voltages to a plurality of wordlines of the respective sub-block, the plurality of wordlines are coupled to the SGDs and to the data storage devices, each voltage of the plurality of voltages applied to a successive wordline of the plurality of wordlines is less than a previous voltage applied to a previous wordline by an amount equal to a step down interval.
    Type: Application
    Filed: August 12, 2020
    Publication date: July 1, 2021
    Inventors: Kalyan Chakravarthy Kavalipurapu, Tomoko Ogura Iwasaki, Erwin E. Yu, Hong-Yan Chen, Yunfei Xu
  • Publication number: 20210199703
    Abstract: Apparatus having an array of memory cells and a controller for access of the array of memory cells, wherein the controller is configured to cause the apparatus to determine capacitance and/or resistance values of an access line in response to applying a reference current to the access line, wherein the access line is connected to control gates of memory cells of the array of memory cells.
    Type: Application
    Filed: May 19, 2020
    Publication date: July 1, 2021
    Applicant: MICRON TECHNOLOGY, INC.
    Inventors: Dan Xu, Jun Xu, Erwin E. Yu
  • Publication number: 20210143511
    Abstract: New and/or improved coatings, layers or treatments for porous substrates, including battery separators or separator membranes, and/or coated or treated porous substrates, including coated battery separators, and/or batteries or cells including such coatings or coated separators, and/or related methods including methods of manufacture and/or of use thereof are disclosed. Also, new or improved coatings for porous substrates, including battery separators, which comprise at least a matrix material or a polymeric binder, and heat-resistant particles with additional additives, materials or components, and/or to new or improved coated or treated porous substrates, including battery separators, where the coating comprises at least a matrix material or a polymeric binder, and heat-resistant particles with additional additives, materials or components are disclosed.
    Type: Application
    Filed: January 4, 2019
    Publication date: May 13, 2021
    Inventors: Zhengming Zhang, Michael B. Lane, Insik Jeon, Edward Kruger, Xiang E. Yu, Ronnie E. Smith, Stefan Reinartz, Junqing Ma, Daniel R. Alexander
  • Patent number: 10790029
    Abstract: Apparatus and methods to vary, in response to temperature, a precharge voltage level of a sense node during a sense operation, a sense node develop time during the sense operation, and/or a ratio of a deboost voltage level capacitively decoupled from the sense node to a boost voltage level capacitively coupled to the sense node during the sense operation.
    Type: Grant
    Filed: August 24, 2018
    Date of Patent: September 29, 2020
    Assignee: Micron Technology, Inc.
    Inventors: Luyen Vu, Kalyan C. Kavalipurau, Jae-Kwan Park, Erwin E. Yu
  • Patent number: 10642774
    Abstract: The invention provides a circuit structure sharing the same memory, where the circuit structure includes a first volatile memory, a system chip and a signal processing chip. The system chip is connected to the first volatile memory via a first connection interface. The signal processing chip is connected to the system chip via a second connection interface. A memory controller is disposed in the system chip and connected to the first connection interface and the second connection interface. The signal processing chip transmits a first access command to the memory controller via the second connection interface, and the memory controller accesses the first volatile memory via the first connection interface according to the first access command and transmits the access result of the first access command to the signal processing chip via the second connection interface.
    Type: Grant
    Filed: May 22, 2018
    Date of Patent: May 5, 2020
    Assignee: ALi Corporation
    Inventors: Jian-Xin Li, Dong e Yu, Han-jun Li
  • Patent number: D879252
    Type: Grant
    Filed: January 23, 2019
    Date of Patent: March 24, 2020
    Inventor: Li E Yu