Patents Assigned to CHANGXIN MEMORY TECHNOLOGIES, INC.
  • Patent number: 12336441
    Abstract: Embodiments of the present application relate to a resistive memory device and a preparation method thereof. The preparation method includes: providing a base; forming bit line trenches in the base; forming a resistive material layer on a sidewall and the bottom of the bit line trench; and forming a bit line structure in the bit line trench through filling, wherein a variable resistor structure includes the bit line structure and the resistive material layer.
    Type: Grant
    Filed: June 15, 2022
    Date of Patent: June 17, 2025
    Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventors: Wei Chang, Jiefang Deng, Xiaoguang Wang
  • Patent number: 12330000
    Abstract: A fire protection device and a fire protection method for an equipment room are provided. The fire protection device for the equipment room includes: a carbon dioxide fire extinguisher and a foam fire extinguisher; and a control module, in which the control module is configured to acquire fire information and person information, the person information representing a person situation in the equipment room, and the control module is further configured to control one of the carbon dioxide fire extinguisher or the foam fire extinguisher to extinguish fire according to the fire information and the person information, to extinguish the fire through the carbon dioxide fire extinguisher in a case that the equipment room is vacant.
    Type: Grant
    Filed: January 11, 2022
    Date of Patent: June 17, 2025
    Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventor: Bangzhong Xing
  • Patent number: 12334415
    Abstract: A semiconductor structure includes: a semiconductor substrate; a first metal layer located on a surface of the semiconductor substrate; a second metal layer located above a surface of the first metal layer; an insulating layer located between the first metal layer and the second metal layer and configured to isolate the first metal layer from the second metal layer; and at least four vias located in the insulating layer and a conductive material for connecting the first metal layer and the second metal layer is filled in the at least four vias.
    Type: Grant
    Filed: February 16, 2022
    Date of Patent: June 17, 2025
    Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventors: Tzung-Han Lee, Chih-Cheng Liu
  • Patent number: 12336160
    Abstract: A static random access memory cell and a method for forming the same are provided. The method for forming a memory cell includes: providing a base; in which the base at least includes a substrate and an active area formed in the substrate; forming trenches extending in a first direction and arranged in a second direction in the active area; forming second gate structures extending in the first direction in the trenches; trimming the second gate structures in the second direction to form first gate structures; in which in a memory including static random access memory cells, every two rows of the first gate structures and the first gate structures separated by two rows have same opening positions; forming recessed channel array transistors based on the first gate structures; forming a static random access memory cell with six transistors based on the recessed channel array transistors.
    Type: Grant
    Filed: June 9, 2022
    Date of Patent: June 17, 2025
    Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventor: Chih-Cheng Liu
  • Patent number: 12336161
    Abstract: A semiconductor structure includes: a substrate; a gate structure on the substrate; and an interconnect structure including a first interconnect sub-structure and a second interconnect sub-structure, where the second interconnect sub-structure protrudes from the first interconnect sub-structure. The first interconnect sub-structure is connected with the substrate, and the second interconnect sub-structure is connected with a top of the gate structure.
    Type: Grant
    Filed: June 2, 2022
    Date of Patent: June 17, 2025
    Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventor: Chih-Cheng Liu
  • Patent number: 12333230
    Abstract: A method and an apparatus for determining a delay parameter, a computer readable storage medium, and an electronic device are provided. The method for determining the delay parameter includes: determining (S210) a setup time of a clock signal in a memory relative to a DQ data signal; dividing (S220) the clock signal into a plurality of clock sub-signals, and determining (S220) a target sampling delay of the plurality of clock sub-signals relative to the DQ data signal; and determining (S230), according to the target sampling delay and the setup time, a delay parameter of the DQ data signal relative to the clock signal.
    Type: Grant
    Filed: June 15, 2022
    Date of Patent: June 17, 2025
    Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventors: Yue Chen, Zengquan Wu
  • Patent number: 12336219
    Abstract: Embodiments of the present disclosure belong to the technical field of semiconductor structure manufacturing, and specifically provide a semiconductor structure and a manufacturing method thereof. The manufacturing method specifically includes: a first gate structure on a substrate, a first conductive region and a second conductive region, wherein the first conductive region and the second conductive region are located at two sides of the first gate structure, and in a direction perpendicular to the substrate, the first conductive region and the second conductive region are located at different height positions.
    Type: Grant
    Filed: May 12, 2022
    Date of Patent: June 17, 2025
    Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventor: Yumeng Sun
  • Patent number: 12334441
    Abstract: The present disclosure provides a semiconductor device and a semiconductor layout structure. In the semiconductor device, a guard ring of a first type is arranged on at least one side of a transistor of a second type, and a guard ring of a second type is arranged on at least one side of a transistor of a first type, such that a plurality of signal lines in a first metal layer in the semiconductor layout structure may be arranged between a first power source line and a first ground line. Furthermore, in a second metal layer, a plurality of second power source lines are connected to one first power source line, and a plurality of second ground lines are connected to one first ground line.
    Type: Grant
    Filed: March 25, 2022
    Date of Patent: June 17, 2025
    Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventors: Li Tang, Cheng Chen, Yuxia Wang, Wei Jiang, Jing Xu
  • Patent number: 12336164
    Abstract: A semiconductor structure includes: a base including bit lines arranged at intervals and semiconductor channels arranged at intervals, bit lines extending in first direction, semiconductor channels being located at part of top surfaces of bit lines, each semiconductor channel including first area, second area, and third area arranged successively in a direction perpendicular to top surfaces of bit lines; dielectric layers located between adjacent bit lines and located on side walls of semiconductor channels; gate electrodes surrounding dielectric layers in second area and extending in second direction; metal semiconductor compound layers located on top surfaces of semiconductor channels; diffusion barrier layers at least surrounding side walls of metal semiconductor compound layers; and insulating layers located between adjacent semiconductor channels on same bit line and isolating gate electrodes and diffusion barrier layers on each dielectric layer from gate electrodes and diffusion barrier layers on dielec
    Type: Grant
    Filed: April 18, 2022
    Date of Patent: June 17, 2025
    Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventors: Semyeong Jang, Joonsuk Moon, Deyuan Xiao, Jo-Lan Chin
  • Patent number: 12336166
    Abstract: Embodiments provide a semiconductor structure and fabrication method. The method include: forming sacrificial layers on a sidewall of the first pattern mask layer and a sidewall of the second pattern mask layer, and forming a first filling layer filling a first spacing between the sacrificial layers; removing the first filling layer, the first pattern mask layer and the second pattern mask layer, retaining the sacrificial layers and the first spacing, and replacing a second spacing between the first pattern mask layer and the second pattern mask layer; forming a second filling layer filling the first spacing and the second spacing; etching the sacrificial layers based on the second filling layer to form etched patterns, and etching the pattern transfer layer and the target layer based on the etched patterns to form a first pattern target layer in the array region and a second pattern target layer in the peripheral region.
    Type: Grant
    Filed: September 26, 2022
    Date of Patent: June 17, 2025
    Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventors: Wentao Xu, Qiao Li, Zhi Yang, Yue Zhuo
  • Patent number: 12336165
    Abstract: The disclosed semiconductor structure includes a window region, a transistor region, and a step region arranged in a first direction. The transistor region includes a word line region and a window region. The method making the semiconductor structure includes: forming active layers at intervals, forming dummy word line structures in the word line region and the step region covering the active layers at the same layer; forming a first isolation layer which a main body part and an interval part connected together, wherein the main body part is located in the window region, and the interval is located in the word line region and the step region between adjacent dummy word line structures; removing the active layers from the step region, removing the dummy word line structures; and forming a dielectric layer in the step region and the word line region. The embodiments improve the semiconductor structure's performance.
    Type: Grant
    Filed: July 20, 2022
    Date of Patent: June 17, 2025
    Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventor: Tao Dou
  • Patent number: 12336169
    Abstract: The present disclosure provides a semiconductor structure and a manufacturing method thereof, relates to the technical field of semiconductors. The manufacturing method of the semiconductor structure includes: providing a substrate, a plurality of spaced first trenches being formed in the substrate; forming a sacrificial layer in the first trenches and a first protective layer on the sacrificial layer, the sacrificial layer and the first protective layer filling up the first trenches, and the first protective layer in the first trenches being provided with etching holes penetrating through the first protective layer; removing the sacrificial layer with the etching holes to form air gaps; and carrying out a silicification reaction on the substrate between adjacent ones of the first trenches and close to bottoms of the first trenches to form bit lines (BLs) in the substrate, parts of side surfaces of the BLs being exposed in the air gaps.
    Type: Grant
    Filed: May 20, 2022
    Date of Patent: June 17, 2025
    Assignees: CHANGXIN MEMORY TECHNOLOGIES, INC., BEIJING SUPERSTRING ACADEMY OF MEMORY TECHNOLOGY
    Inventors: Guangsu Shao, Weiping Bai, Deyuan Xiao, Yunsong Qiu
  • Patent number: 12334440
    Abstract: A semiconductor structure and a manufacturing method thereof are provided. The manufacturing method includes: providing a substrate; forming an ion implantation area in the substrate, an upper surface of the ion implantation area having a distance from an upper surface of the substrate; forming an initial word line trench in the substrate, the initial word line trench extending from the upper surface of the substrate into the ion implantation area; widening the initial word line trench to form a word line trench, a width of a bottom of the word line trench being greater than a minimum width of the word line trench.
    Type: Grant
    Filed: August 15, 2022
    Date of Patent: June 17, 2025
    Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventors: Yongxiang Li, Min-Hui Chang
  • Patent number: 12332625
    Abstract: The present application provides a method and apparatus for correcting the position of a wafer and a storage medium. The method includes: acquiring etching parameters of preset points on an etched first wafer, wherein the etching parameters include positional information and an etch rate; determining the positional information of the central point of an etch rate distribution map of the first wafer according to the etching parameters of the preset points; and correcting the position of a second wafer to be etched according to the positional information of the central point of the etch rate distribution map of the first wafer, so that the circle center of the second wafer coincides with the central point of the etch rate distribution map of the first wafer.
    Type: Grant
    Filed: September 28, 2021
    Date of Patent: June 17, 2025
    Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventors: Zhiling Guo, Haoyu Chen
  • Patent number: 12336163
    Abstract: The present disclosure provides a manufacturing method of a semiconductor structure, and a semiconductor structure. The method includes: providing a substrate, where the substrate has active areas, and grooves or holes each for connecting a bit line structure to the active area are formed on a surface of the substrate; forming a protective layer, where the protective layer covers a bottom and a sidewall of each of the grooves or holes; removing the protective layer located at the bottom of each of the grooves or holes; performing pickling to remove a native oxide on a surface of each of the active areas exposed at the bottom of the grooves or holes, where partial protective layer is retained on the sidewall of each of the grooves or holes after pickling; and forming bit line structures.
    Type: Grant
    Filed: January 3, 2023
    Date of Patent: June 17, 2025
    Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventor: Xun Yan
  • Patent number: 12334167
    Abstract: A method and device for testing a memory are provided. The method includes the following operations. After activating at least one word line, at least two times of read operations are performed on a to-be-tested memory cell connected to the activated word line. Whether there is a read abnormality in the to-be-tested memory cell is determined according to an output signal obtained after the at least two times of read operations.
    Type: Grant
    Filed: July 5, 2022
    Date of Patent: June 17, 2025
    Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventors: Dong Liu, Xikun Chu, Tianhao Diwu
  • Patent number: 12336162
    Abstract: Embodiment relates to the field of semiconductor technology, and more particularly, to a memory, a semiconductor structure and a formation method thereof. The formation method of the present disclosure includes: providing a substrate; forming a plurality of groups of support pillars spaced apart along a first direction in the substrate, each of the plurality of groups of support pillars being spaced apart along a second direction, the first direction intersecting with the second direction; forming a support layer filling up top gaps between adjacent two of the support pillars; forming an epitaxial pillar on a top of each of the support pillars respectively by means of an epitaxial growth process; and forming a capacitor structure on a surface of a structure jointly constituted by each of the epitaxial pillars and each of the support pillars.
    Type: Grant
    Filed: June 19, 2022
    Date of Patent: June 17, 2025
    Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventors: Guangsu Shao, Xingsong Su, Deyuan Xiao
  • Patent number: 12336167
    Abstract: The present disclosure relates to a memory and a forming method thereof. The method of forming a memory includes: forming a stacked layer on a surface of a substrate, the stacked layer including interlayer isolation layers arranged at intervals in a first direction and a sacrificial layer group located between adjacent two of the interlayer isolation layers, the sacrificial layer group including a first sacrificial layer, a second sacrificial layer, and a third sacrificial layer sequentially stacked in the first direction, and the stacked layer including a transistor region, where the first direction is a direction perpendicular to a top surface of the substrate; removing the second sacrificial layer in the transistor region to form a first gap; and forming a gate layer and a channel layer wrapping the gate layer in the first gap.
    Type: Grant
    Filed: August 3, 2022
    Date of Patent: June 17, 2025
    Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventor: Yi Tang
  • Patent number: 12336168
    Abstract: Embodiments of the present disclosure relate to the field of semiconductors, and provide a method of manufacturing a semiconductor structure and a semiconductor structure. The manufacturing method includes: providing a base, and forming active layers and sacrificial layers on the base, wherein two adjacent ones of the active layers constitute an active group, there is a first distance between the active layers in the active group, there is a second distance between adjacent ones of active groups, and the first distance is greater than the second distance; forming isolation layers, wherein each isolation layer penetrates through all the active layers and all the sacrificial layers, and the isolation layers divide each of the active layers into a plurality of active structures; removing a part of the isolation layers in the word line region and a part of the sacrificial layers located in the word line region.
    Type: Grant
    Filed: September 6, 2022
    Date of Patent: June 17, 2025
    Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventor: Yi Tang
  • Patent number: 12336170
    Abstract: Embodiments provide a method for fabricating a semiconductor structure and a structure thereof. The method includes: providing a substrate; forming, on the substrate, semiconductor channels arranged in an array along a first direction and a second direction; forming bit lines extending along the first direction, wherein the bit lines are positioned in the substrate, and each of the bit lines is electrically connected to the semiconductor channels arranged along the first direction; forming word lines extending along the second direction, wherein the word lines wrap part of side surfaces of the semiconductor channels arranged along the second direction, where one of the word lines includes two sub word lines arranged at intervals along the first direction, and the sub word lines cover part of opposite side surfaces of the semiconductor channels along the first direction; and forming isolation structures positioned between adjacent word lines and between adjacent sub word lines.
    Type: Grant
    Filed: September 25, 2022
    Date of Patent: June 17, 2025
    Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventor: Guangsu Shao