Patents by Inventor Murong Lang

Murong Lang 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: 20260341364
    Abstract: A memory device includes a memory array including a set of target memory cells connected to a target wordline; and control logic, operatively coupled with the memory array, to perform operations including determining, for each memory cell connected to each wordline of the memory array, a respective value of a metric that reflects a size of a memory cell; determining the target wordline is in a first wordline group of a plurality of wordline groups in the memory array, wherein the first wordline group corresponds to a first offset value; and causing, during a program verify time period of a program operation, a program verify voltage to be applied to the target wordline, wherein the program verify voltage is adjusted by the first offset value and a program verify voltage offset, and wherein the program verify voltage offset is associated with an adjacent wordline of the target wordline.
    Type: Application
    Filed: April 14, 2026
    Publication date: October 29, 2026
    Inventors: Yu-Chung Lien, Hanping Chen, Murong Lang, Zhenming Zhou
  • Publication number: 20260341381
    Abstract: The disclosure configures a memory sub-system controller to use prior read verify operations to selectively apply enhancements to read window budgets (RWB). The controller receives a request to perform a memory operation on data stored in an individual memory component of a set of memory components. The controller accesses RWB tracking information associated with the individual memory component and determines that the tracking information associated with the individual memory component indicates a need for enhancing a RWB associated with the memory operation. The controller applies one or more enhancement processes to the individual memory component in response to determining that the tracking information associated with the individual memory component indicates the need for enhancing the RWB associated with the memory operation.
    Type: Application
    Filed: July 10, 2026
    Publication date: October 29, 2026
    Inventors: Daniel Zhang, Yu-Chung Lien, Peng Zhang, Murong Lang, Zhenming Zhou
  • Publication number: 20260321327
    Abstract: A processing device in a memory sub-system identifies a first memory device of a plurality of memory devices that is part of a subset of the plurality of memory devices having lower endurance characteristics than a remainder of the plurality of memory devices, determines whether a program erase cycle count of the first memory device satisfies a threshold criterion, and responsive to determining that the program erase cycle count of the first memory device satisfies the threshold criterion, updates a trim setting for the first memory device, the trim setting specifying an updated program voltage associated with a first set of wordlines of the first memory device.
    Type: Application
    Filed: April 9, 2025
    Publication date: October 15, 2026
    Inventors: Peng Zhang, Zhenming Zhou, Jun Wan, Murong Lang, Wenyen Chang, Wei Wang
  • Publication number: 20260301822
    Abstract: A controller of a memory device may identify a plurality of word line groups, included in a block of a memory of the memory device, that include erased pages of the block. The controller may identify a subset of word line groups, of the plurality of word line groups, for a NAND detect empty page (NDEP) scan operation. The controller may perform, based on identifying the subset of word line groups, the NDEP scan operation for the subset of word line groups. A voltage threshold for the NDEP scan may be based on an offset voltage that can be adaptive based on parameters such as quantity of program-erase cycles, memory cell type, and/or operating temperature, among other examples.
    Type: Application
    Filed: June 4, 2026
    Publication date: October 1, 2026
    Inventors: Christina PAPAGIANNI, Murong LANG, Peng ZHANG, Zhenming ZHOU
  • Publication number: 20260301835
    Abstract: Methods, systems, and devices for error scan frequency adjustments are described. A memory system may determine whether a quantity of error scans performed on one or more blocks of memory cells satisfies a threshold quantity of error scans. In some examples, in response to the quantity of error scans satisfying the threshold, the memory system may decrease the frequency of error scans to be performed on the blocks associated with the offset. In other examples, in response to the quantity of error scans failing to satisfy the threshold, the memory system may increase the frequency of error scans to be performed on the blocks associated with the offset. In response to adjusting the error scan frequency, the memory system may perform the error scans according to the adjusted error scan frequency.
    Type: Application
    Filed: April 1, 2025
    Publication date: October 1, 2026
    Inventors: Li-Te Chang, Frederick Adi, Murong Lang
  • Publication number: 20260299797
    Abstract: A memory sub-system controller selectively adjusts read threshold voltages on certain word lines for partially written memory blocks of a memory sub-system. The controller generates a request to read a portion of a set of memory components. The controller, in response to determining that the portion corresponds to a partially programmed block (PB), selectively modifies a boundary word line (WL) read level offset, stored in a boundary WL offset table, by applying an adjustment factor to the boundary WL read level offset. The controller reads a first set of data from one or more inner WLs of the portion using a first read level offset retrieved from an inner WL offset table and reads a second set of data from a boundary WL of the portion using the selectively modified boundary WL read level offset.
    Type: Application
    Filed: June 5, 2026
    Publication date: October 1, 2026
    Inventors: Christina Papagianni, Murong Lang, Guang Hu
  • Publication number: 20260299824
    Abstract: Aspects of the present disclosure configure a system component, such as a memory sub-system controller, to provide adaptive media management based on temperature-related memory component capabilities. The controller determines a read disturb condition criterion associated with an individual memory component of a set of memory components and determines a temperature of a memory sub-system comprising the set of memory components. The controller adjusts the read disturb condition criterion based on the temperature and program erase cycles (PEC) of the memory sub-system and performs an individual media management operation on the individual memory component in response to determining that the adjusted read disturb condition criterion has been satisfied.
    Type: Application
    Filed: April 21, 2026
    Publication date: October 1, 2026
    Inventors: Christina Papagianni, Murong Lang, Zhenming Zhou
  • Publication number: 20260301843
    Abstract: A system and method are provided for managing data on a memory device. The system and method perform a media scan operation on a portion of a memory device and determine one or more criteria associated with the portion of the memory device. The system and method adjust one or more folding conditions of the media scan operation based on the one or more criteria associated with the portion of the memory device and fold the portion of the memory device in response to determining that the adjusted one or more folding conditions are satisfied.
    Type: Application
    Filed: March 25, 2025
    Publication date: October 1, 2026
    Inventors: Li-Te Chang, Murong Lang, Dongxiang Liao, Zhenming Zhou
  • Patent number: 12749541
    Abstract: Various embodiments use a cascade model to determine (e.g., predict or estimate) one or more read level voltage offsets used to read data from one or more memory cells of a memory device, which can be part of a memory sub-system.
    Type: Grant
    Filed: March 25, 2024
    Date of Patent: September 29, 2026
    Assignee: Micron Technology, Inc.
    Inventors: Li-Te Chang, Charles S. Kwong, Murong Lang, Zhenming Zhou
  • Patent number: 12743227
    Abstract: Methods, systems, and devices for cross-temperature mitigation in a memory system are described. A memory system may determine a first temperature of the memory system. Based on the first temperature satisfying a first threshold, the memory system may write a set of data to a first block of the memory system that is configured with a first rate for performing scan operations to determine error information for the first block. The memory system may then determine a second temperature of the memory system after writing the set of data to the first block. Based on the second temperature satisfying a second threshold, the memory system may transfer the set of data to a second block of the memory system that is configured with a second rate for performing scan operations to determine error information for the second block.
    Type: Grant
    Filed: October 10, 2024
    Date of Patent: September 22, 2026
    Assignee: Micron Technology, Inc.
    Inventors: Murong Lang, Christina Papagianni, Zhenming Zhou, Ting Luo
  • Patent number: 12743212
    Abstract: Methods, systems, and apparatuses include receiving, by a memory subsystem, a read command from a host device to read data from a memory portion of the memory subsystem. It is determined that the memory portion includes a partial block. A memory bin is determined for the memory portion in response to determining that the memory portion includes the partial block. A position is determined for the memory portion. A voltage offset is applied to a read voltage for the memory portion using the memory bin and the position.
    Type: Grant
    Filed: July 31, 2024
    Date of Patent: September 22, 2026
    Assignee: MICRON TECHNOLOGY, INC.
    Inventors: Murong Lang, Christina Papagianni, Guang Hu, Lei Lin, Zhenming Zhou
  • Publication number: 20260279473
    Abstract: The present disclosure configures a system component, such as memory sub-system controller, to perform empty page scan operations. The controller, in response to a request to perform an empty page scan operation, identifies a portion of a set of memory components that is empty and ready to be programmed. The controller generates an order in which to perform the empty page scan operation for a plurality of regions of the identified portion of the set of memory components. The controller determines whether a first region of the plurality of regions in the order fails the empty page scan operation before a second region of the plurality of regions is scanned. The controller terminates the empty page scan operation early to prevent performing the empty page scan operation for one or more remaining regions of the plurality of regions of the identified portion.
    Type: Application
    Filed: May 4, 2026
    Publication date: September 17, 2026
    Inventors: Lei Lin, Peng Zhang, Murong Lang
  • Patent number: 12738327
    Abstract: Apparatuses and methods for performing sensing operations on partially programmed erase blocks are provided. One example apparatus can include a memory array comprising a plurality of erase blocks and a controller coupled to the memory array. The controller can be configured to apply a first sensing voltage to a first access line of a first group of access lines corresponding to the first erase block during a first sensing operation on the first erase block that is partially programmed, apply a first pass voltage to a number of programmed access lines of the first group of access lines corresponding to the first erase block during the first sensing operation, and apply a second pass voltage a number of unprogrammed access lines of the first group of access lines corresponding to the first erase block during the first sensing operation.
    Type: Grant
    Filed: July 25, 2024
    Date of Patent: September 15, 2026
    Assignee: Micron Technology, Inc.
    Inventors: Hanping Chen, Zhongguang Xu, Murong Lang, Zhenming Zhou
  • Publication number: 20260253650
    Abstract: A system and method are provided for reading data from a memory device. The system and method receive a request to read data from a portion of a memory device and, in response to receiving the request to read the data, determine whether the portion of the memory device is available for writing data. The system and method retrieve a read offset value based on a temperature associated with the portion of the memory device in response to determining whether the portion of the memory device is available for writing data and read the data from the portion of the memory device based on the retrieved read offset value.
    Type: Application
    Filed: February 20, 2025
    Publication date: August 27, 2026
    Inventors: Yu-Chung Lien, Murong Lang, Zhenming Zhou
  • Patent number: 12717495
    Abstract: Methods, apparatuses and systems related to managing deck-specific read levels are described. The apparatus may include a memory array having the memory cells organized into two or more decks. The apparatus can determine a delay between programming the decks. The apparatus can derive and implement the deck-specific read levels by selectively adjusting a base read level with an offset level according to the delay and/or the targeted read location.
    Type: Grant
    Filed: March 20, 2024
    Date of Patent: August 25, 2026
    Assignee: Micron Technology, Inc.
    Inventors: Murong Lang, Tingjun Xie, Fangfang Zhu, Zhenming Zhou, Jiangli Zhu
  • Patent number: 12718895
    Abstract: An example system can include a memory device and a processing device. The memory device can include a group of memory cells. The processing device can be coupled to the memory device. The processing device can be configured to determine a distance of a memory die from a center of a memory component. The processing device can be configured to perform a read disturb operation on the memory die based on the determined distance use a first voltage window for a set of memory cells of the group of memory cells during a first time period.
    Type: Grant
    Filed: July 29, 2024
    Date of Patent: August 25, 2026
    Assignee: Micron Technology, Inc.
    Inventors: Zhenming Zhou, Murong Lang, Li-Te Chang
  • Patent number: 12718898
    Abstract: A system including a memory device and an operatively coupled processing device to perform operations including: responsive to detecting a power-up event, performing a first read strobe on a first set of a plurality of memory cells addressable by a first wordline, determining a value of a conductivity metric reflecting conductive states of one or more bitlines connected to the first set of the plurality of memory cells, determining, based on the value of the conductivity metric, a read level offset value for a second wordline, wherein the second wordline is adjacent to the first wordline, performing, using the read level offset value, a second read strobe on the second wordline, and responsive to determining that a value of a quality metric produced by the second read strobe satisfies a quality criterion, indicating that a programming operation performed on the second wordline was completed before a power off event.
    Type: Grant
    Filed: April 16, 2024
    Date of Patent: August 25, 2026
    Assignee: Micron Technology, Inc.
    Inventors: Peng Zhang, Lei Lin, Zhengang Chen, Murong Lang, Zhenming Zhou
  • Publication number: 20260245642
    Abstract: A memory device including a set of memory cells connected to a target wordline; and control logic, operatively coupled with the set of memory cells, to perform operations including: causing, during a programming time period, each pillar of a set of pillars associated with the target wordline to be boosted to a different voltage, wherein each pillar corresponds to a respective programming level of a set of programming levels associated with the target wordline; causing, during the programming time period, a programming pulse to be applied to the target wordline, wherein the programming pulse programs each programming level of the set of programming levels associated with the target wordline; and causing, during a program verify time period, a program verify voltage to be applied to the target wordline, wherein the program verify voltage is adjusted by a program verify (PV) voltage offset associated with an adjacent wordline of the target wordline.
    Type: Application
    Filed: April 14, 2026
    Publication date: August 20, 2026
    Inventors: Yu-Chung Lien, Hanping Chen, Murong Lang, Zhenming Zhou
  • Patent number: 12712033
    Abstract: Exemplary methods, apparatuses, and systems including a scan manager for dynamic read disturb handling using selective scanning. The scan manager reads a list of wordlines to be scanned during a read disturb handling of a memory device. The memory device has separately accessible blocks of memory where each block of memory has a plurality of wordlines used to address a plurality of pages. Each block of memory is divided into a plurality of sub-blocks. The scan manager randomly selects a sub-block from the plurality of sub-blocks of a block of memory. The scan manager scans a page of the plurality of pages of a wordline from the list of wordlines of the selected sub-block during the read disturb handling.
    Type: Grant
    Filed: July 19, 2024
    Date of Patent: August 18, 2026
    Assignee: MICRON TECHNOLOGY, INC.
    Inventors: Lei Lin, Christina Papagianni, Guang Hu, Murong Lang
  • Patent number: 12712037
    Abstract: A system includes a memory device having a plurality of memory cells and a processing device operatively coupled to the memory device. The processing device is to determine to perform a rewrite on at least a portion of the plurality of memory cells. The processing device can determine that a number of rewrite operations at first subset of memory cells storing a first logic state fail to satisfy a threshold criterion. The processing device can also cause a rewrite of data stored at a second subset of memory cells storing a second logic state in response to determining the number of rewrite operations performed at the first subset of memory cells fail to satisfy the threshold criterion.
    Type: Grant
    Filed: January 29, 2024
    Date of Patent: August 18, 2026
    Assignee: Micron Technology, Inc.
    Inventors: Zhongguang Xu, Murong Lang, Zhenming Zhou