Patents by Inventor Ekamdeep Singh

Ekamdeep Singh 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: 20240071528
    Abstract: Systems and methods are disclosed including a memory device and a processing device operatively coupled to the memory device. The processing device can perform operations comprising performing a set of write operations on a first block in a first plane of the memory device and on a second block in a second plane of the memory device, performing a program verification check on the first block, responsive to determining that the first block fails the program verification check, incrementing a counter value associated with the second block; responsive to the counter value satisfying a threshold criterion, performing a failure verification operation on the second block, and responsive to determining that the second block fails the failure verification operation, retiring the second block.
    Type: Application
    Filed: August 29, 2022
    Publication date: February 29, 2024
    Inventors: Robert W. Mason, Scott Anthony Stoller, Pitamber Shukla, Ekamdeep Singh
  • Publication number: 20240036753
    Abstract: A processing device in a memory sub-system determines whether a media endurance metric associated with a memory block of a memory device satisfies one or more conditions. In response to the one or more conditions being satisfied, a temperature of the memory block is compared to a threshold temperature range. In response to determining the temperature of the memory block is within the threshold temperature range, the processing device causes execution of a wordline leakage test of a wordline group of a set of wordline groups of the memory block. A result of the wordline leakage test of the target wordline group is determined and an action is executed based on the result of the wordline leakage test.
    Type: Application
    Filed: July 29, 2022
    Publication date: February 1, 2024
    Inventors: Wai Leong Chin, Francis Chee Khai Chew, Trismardawi Tanadi, Chun Sum Yeung, Lawrence Dumalag, Ekamdeep Singh
  • Publication number: 20230367680
    Abstract: Control logic in a memory device executes a programming operation to program the set of memory blocks of the set of memory planes to a set of a programming levels. In response to determining at least a portion of a first memory block passed a program verify operation associated with a last programming level of the set of programming levels, the control logic executes a first program sub-operation to terminate the programming operation with respect to a first subset of one or more memory planes of the set of memory planes that passed the program verify operation associated with the last programming level and identify a second subset of one or more memory planes that failed the program verify operation associated with the last programming level. The control logic executes a second program sub-operation to apply a trim set to the second subset of one or more memory planes that failed the program verify operation of the last programming level.
    Type: Application
    Filed: May 5, 2023
    Publication date: November 16, 2023
    Inventors: Lu Tong, Ashish Ghai, Chai Chuan Yao, Ekamdeep Singh, Lakshmi Kalpana Vakati, Sheng Huang Lee, Matthew Ivan Warren, Dheeraj Srinivasan, Jeffrey Ming-Hung Tsai
  • Publication number: 20190006021
    Abstract: A leakage current detection circuit is configured to perform an inter-block leakage current detection process to detect for leakage current between a select gate bias line associated with a first block and one or more word lines associated with a second block. During a time period, a first switching circuit may bias the select gate bias line of the first block with a first leakage detection voltage, and a second switching circuit may bias the word lines of the second block with a second leakage detection voltage. During this time period, a current sensing circuit may sense for leakage current in a global select gate bias line.
    Type: Application
    Filed: June 29, 2017
    Publication date: January 3, 2019
    Applicant: SanDisk Technologies LLC
    Inventors: Ashish Ghai, Lakshmi Kalpana Vakati, Ekamdeep Singh, Gopinath Balakrishnan
  • Publication number: 20180061505
    Abstract: Technology is described herein for detecting a leakage current between a block select line and a conductive region that exists in multiple blocks of memory cells in a plane. The conductive region may be shared by at least one memory cell in multiple blocks. One example of the conductive region is a common source line that includes one or more local source lines and one or more global source lines. If the leakage current were to become high enough, the electrical short between the conductive region and the block select line could cause a plane level failure. If the leakage current is less than an amount that would cause a plane failure, but that indicates that the non-volatile memory device is susceptible to a plane failure, data may be moved out of the plane before the plane failure occurs. Thus, data loss may be prevented.
    Type: Application
    Filed: August 24, 2016
    Publication date: March 1, 2018
    Applicant: SanDisk Technologies LLC
    Inventors: Ashish Ghai, Lakshmi Kalpana Vakati, Ekamdeep Singh, Chang Siau, Gopinath Balakrishnan, Kapil Verma
  • Patent number: 9905307
    Abstract: Technology is described herein for detecting a leakage current between a block select line and a conductive region that exists in multiple blocks of memory cells in a plane. The conductive region may be shared by at least one memory cell in multiple blocks. One example of the conductive region is a common source line that includes one or more local source lines and one or more global source lines. If the leakage current were to become high enough, the electrical short between the conductive region and the block select line could cause a plane level failure. If the leakage current is less than an amount that would cause a plane failure, but that indicates that the non-volatile memory device is susceptible to a plane failure, data may be moved out of the plane before the plane failure occurs. Thus, data loss may be prevented.
    Type: Grant
    Filed: August 24, 2016
    Date of Patent: February 27, 2018
    Assignee: SanDisk Technologies LLC
    Inventors: Ashish Ghai, Lakshmi Kalpana Vakati, Ekamdeep Singh, Chang Siau, Gopinath Balakrishnan, Kapil Verma
  • Patent number: 9711227
    Abstract: To prevent data loss due to latent defects, a non-volatile memory system will use a leakage detection circuit to test for small amounts of leakage that indicate that the memory is susceptible to failure.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: July 18, 2017
    Assignee: SanDisk Technologies LLC
    Inventors: Ashish Ghai, Yuvaraj Krishnamoorthy, Ekamdeep Singh, Kalpana Vakati, Maythin Uthayopas, Mark Shlick, Srikar Peesari
  • Patent number: D910211
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: February 9, 2021
    Inventor: Ekamdeep Singh
  • Patent number: D910212
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: February 9, 2021
    Inventor: Ekamdeep Singh
  • Patent number: D910213
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: February 9, 2021
    Inventor: Ekamdeep Singh
  • Patent number: D910887
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: February 16, 2021
    Inventor: Ekamdeep Singh
  • Patent number: D910888
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: February 16, 2021
    Inventor: Ekamdeep Singh
  • Patent number: D972199
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: December 6, 2022
    Inventor: Ekamdeep Singh