Patents by Inventor Yui-Lang CHEN

Yui-Lang 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).

  • Publication number: 20220309646
    Abstract: Embodiments of the present application are applied in the field of semiconductor inspection, and provide an acquisition apparatus, an acquisition system and an acquisition method. The acquisition apparatus includes: a base and a core plate, the core plate being configurated to carry a chip tray; a first support portion, being disposed on the base and connected with a first camera assembly, and the first camera assembly being disposed above the core plate; and a second support portion, being disposed on the base and connected with a second camera assembly, and the second camera assembly being disposed above the core plate; wherein the first camera assembly is configurated to capture an image of a first region of the chip tray, the second camera assembly is configurated to capture an image of a second region of the chip tray.
    Type: Application
    Filed: January 17, 2022
    Publication date: September 29, 2022
    Inventors: YUI-LANG CHEN, CHING-FENG CHEN
  • Publication number: 20220310187
    Abstract: A redundant circuit assigning method includes: executing a first test item to obtain first test data including position data of fail bits acquired during execution of the first test item; determining a first redundant circuit assigning result according to the first test data, where the first redundant circuit assigning result includes a number of assigned local redundant circuits and their corresponding position data; executing a second test item to obtain second test data including position data of fail bits acquired during execution of the second test item; and determining a second redundant circuit assigning result according to the first test data and the second test data, when the fail bits acquired during the execution of the second test item include one or more fail bits beyond a repair range of the assigned local redundant circuits and assigned global redundant circuits and when assignable local redundant circuits have been assigned.
    Type: Application
    Filed: January 21, 2022
    Publication date: September 29, 2022
    Applicant: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventor: YUI-LANG CHEN
  • Publication number: 20220309659
    Abstract: Embodiments of the disclosure provide an image fitting method. The method includes: providing a chip plate and a plurality of photographing assemblies, where the chip plate is used to place a chip tray, and the photographing assemblies are used to capture images of the chip plate; acquiring a chip plate image captured by each photographing assembly, where the chip plate image is an image of the chip plate with a partial area and the chip tray placed on the chip plate; acquiring a chip tray image included in each chip plate image, where the chip tray image is an image of the chip tray with a partial area; and fitting the plurality of chip tray images to acquire a chip image, where the chip image is an image of an entire chip tray.
    Type: Application
    Filed: March 18, 2022
    Publication date: September 29, 2022
    Inventor: Yui-Lang CHEN
  • Publication number: 20220165351
    Abstract: A method and an apparatus for determining a repair location for a redundancy circuit, and a method for repairing an integrated circuit are provided. At least one fail bit of a chip to be repaired is determined. At least one initial repair location for the redundancy circuit is initially assigned according to the at least one fail bit. At least one potential fail line is determined according to the at least one initial repair location. At least one predicted repair location is determined according to the at least one potential fail line. Each of the at least one predicted repair location is a location with a higher probability that a new fail bit appears. At least one final repair location for the redundancy circuit is determined according to the at least one fail bit and the at least one predicted repair location.
    Type: Application
    Filed: January 27, 2022
    Publication date: May 26, 2022
    Applicant: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventors: Lei YANG, Yui-Lang CHEN
  • Publication number: 20220139490
    Abstract: A method for repairing a failed bit includes: acquiring a repair specification of redundancy of a chip where the failed bit is located; standardizing the repair specification of the redundancy to obtain a standardized repair specification; acquiring the position of the failed bit on the chip; processing the position of the failed bit on the chip according to the standardized repair specification to obtain standardized position of the failed bit; allocating the redundancy by the redundancy allocation algorithm according to the standardized position of the failed bit and the standardized repair specification to obtain standardized repair position of the redundancy; and restoring the standardized repair position of the redundancy to the repair a position of the redundancy on the chip according to the standardized repair specification to repair the failed bit.
    Type: Application
    Filed: September 30, 2021
    Publication date: May 5, 2022
    Applicant: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventor: Yui-Lang CHEN
  • Publication number: 20220084620
    Abstract: Provided are a Fail Bit (FB) repair solution determination method and device, which are applied to a chip including multiple subdomains. The chip further includes Redundancy (RD) circuits, and the RD circuits are configured to repair FBs in the subdomains. The method includes that: after one or more available RD circuits are determined for a target FB presently to be repaired in a subdomain, a reliability value of each available RD circuit is acquired from an RD circuit reliability list, the RD circuit reliability list including reliability values of multiple RD circuits, and a repair solution for the target FB in the subdomain is determined according to the reliability value of the available RD circuit. The reliability value of the RD circuit is obtained by performing big data analysis on relationships between generated FBs and RD circuits where NFBs are located in the RD circuits.
    Type: Application
    Filed: August 26, 2021
    Publication date: March 17, 2022
    Inventor: Yui-Lang CHEN
  • Publication number: 20220082511
    Abstract: Provided are a wafer defect tracing method and apparatus, an electronic device and a computer readable medium. The method includes: obtaining defect data of a wafer; obtaining position data of fail bits of the wafer; determining a defect area of a storage block in the wafer according to the defect data; determining a fail bit count of the storage block in the wafer according to the position data of the fail bits; processing the defect area and the fail bit count of each storage block in the wafer, so as to obtain a correlation coefficient; and determining an abnormal reason for the fail bits of the wafer according to the correlation coefficient.
    Type: Application
    Filed: September 15, 2021
    Publication date: March 17, 2022
    Inventor: Yui-Lang CHEN
  • Publication number: 20220084051
    Abstract: Disclosed are a method and a system for processing public sentiment data, computer storage medium and an electronic device. The system includes: a network data integration platform configured to audit and analyze collected network public sentiment to acquire a sensitivity level of the network public sentiment, and send the network public sentiment and the sensitivity level of the network public sentiment to a big data cluster; the big data cluster configured to send the filtered network public sentiment to a business data integration platform; the business data integration platform configured to screen enterprise public sentiment from the filtered network public sentiment, and store an association relationship among the enterprise public sentiment, an acquired user account level and a sensitivity level of the enterprise public sentiment to a database server; and a data exhibition platform configured to exhibit the enterprise public sentiment with the target sensitivity level to an authenticated user.
    Type: Application
    Filed: November 19, 2021
    Publication date: March 17, 2022
    Inventor: Yui-Lang CHEN
  • Publication number: 20220075345
    Abstract: The embodiments of the present application provide an acceptability check method and check system for newly-added production tools. The check method includes: performing, after obtaining several new tool yield data and several old tool yield data, data analysis on the several new tool yield data and the several old tool yield data, determining whether the several new tool yield data and the several old tool yield data belong to a high yield category or a slightly higher yield category, eliminating the corresponding new tool yield data and old tool yield data if “yes”, and taking the remaining new tool yield data and the remaining old tool yield data respectively as screened new tool yield data and screened old tool yield data; determining, based on the screened new tool yield data and the screened old tool yield data, whether the new production tool is acceptable.
    Type: Application
    Filed: November 8, 2021
    Publication date: March 10, 2022
    Inventor: Yui-Lang CHEN
  • Publication number: 20220076774
    Abstract: A processing method of chip probing data includes: determining a new fail bit generated in an already completed chip probing process; acquiring repair record of the new fail bit, and repair records of bits adjacent to the new fail bit; analyzing the repair records to determine attribute information of the new fail bit and the adjacent bits, the attribute information including at least one of address information, redundant circuit information, element pattern of the new fail bit and chip probing flow; performing classification learning according to the attribute information to acquire a fail bit prediction model; and predicting fail bits to be chip-probed through the fail bit prediction model.
    Type: Application
    Filed: November 20, 2021
    Publication date: March 10, 2022
    Applicant: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventors: Lei YANG, Yui-Lang CHEN
  • Publication number: 20220068425
    Abstract: A local region to be repaired including the fail bit is determined. A preliminary repair LR circuit for repairing the local region to be repaired is determined (S210). A region level of the local region to be repaired is determined (S230) according to the number of available GR circuits other than any replacement GR circuit configured for replacing the preliminary repair LR circuit and the number of available LR circuits. It is controlled, according to the region level of the local region to be repaired, to repair the fail bit by the GR circuit or the LR circuit (S240).
    Type: Application
    Filed: August 16, 2021
    Publication date: March 3, 2022
    Inventor: Yui-Lang CHEN
  • Publication number: 20220059183
    Abstract: A method and device for Fail Bit (FB) repairing. The method includes: a bank to be repaired of a chip to be repaired is determined; first repair processing is performed on first FBs in each target repair bank using a redundant circuit; second FBs are determined, and second repair processing is performed on the second FBs through a state judgment repair operation; for each target repair bank, unrepaired FBs in the target repair bank is determined, and candidate repair combinations and candidate repair costs of the unrepaired FBs are determined using an optimal combined detection manner; and a target repair cost is determined according to the candidate repair costs, and a target repair solution corresponding to the target repair cost is determined to perform repair processing on the unrepaired FBs according to the target repair solution.
    Type: Application
    Filed: September 2, 2021
    Publication date: February 24, 2022
    Inventor: Yui-Lang CHEN
  • Publication number: 20220059182
    Abstract: A Fail Bit (FB) repair method and device can be applied to repairing an FB in a chip. The method includes: a bank to be repaired including multiple target repair banks in a chip to be repaired is determined; first repair processing is performed on a first FB in each target repair bank by using a redundant circuit; a second FB position determination step is executed to determine a bit position of a second FB, and second repair processing is performed on the second FB; unrepaired FBs in each target repair bank is determined, and the second FB position determination step is recursively executed to obtain a test repair position of each unrepaired FB to perform third repair processing on the unrepaired FB according to the test repair position.
    Type: Application
    Filed: September 6, 2021
    Publication date: February 24, 2022
    Applicant: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventor: Yui-Lang CHEN
  • Publication number: 20220058080
    Abstract: A method for determining a Fail Bit (FB) repair scheme includes: a bank to be repaired of a chip to be repaired is determined, the bank to be repaired including multiple target repair areas; initial repair processing is performed on an FB in each of the target repair areas using a redundant circuit; responsive to that a number of remaining Redundant Word Lines (RWLs) is greater than 0 and a number of remaining Redundant Bit Lines (RBLs) is greater than 0, a candidate repair sub-scheme for each target repair area is determined, and a candidate repair cost corresponding to each candidate repair sub-scheme is determined; and a target repair scheme for the bank to be repaired is determined according to respective candidate repair sub-schemes and candidate repair costs, where the target repair scheme corresponds to a minimum integrated repair cost.
    Type: Application
    Filed: August 31, 2021
    Publication date: February 24, 2022
    Inventor: Yui-Lang CHEN
  • Publication number: 20220058079
    Abstract: A Fail Bit (FB) repair method includes: a bank to be repaired of a chip to be repaired is determined; first repair processing is performed on a first FB using a redundant circuit; a bit position of a second FB in each target repair bank is determined, and second repair processing is performed on the second FB; an unrepaired FB in each target repair bank is determined, and candidate repair combinations of the unrepaired FBs and a candidate combination count are determined; and if the candidate combination count is greater than a combination count threshold, a target repair position is determined, and repair processing is performed on the target repair position using a Redundant Word-Line (RWL), the target repair position being a position of an FB that maximally reduces the candidate combination count after repair processing.
    Type: Application
    Filed: August 17, 2021
    Publication date: February 24, 2022
    Applicant: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventor: Yui-Lang CHEN