Patents Assigned to Institute of Microelectronics
  • Patent number: 11961787
    Abstract: A semiconductor device with a sidewall interconnection structure and a method for manufacturing the same, and an electronic apparatus including the semiconductor device are provided. According to embodiments, the semiconductor device includes: a vertical stack including a plurality of element layers, wherein each element layer of the plurality of element layers includes a plurality of semiconductor elements and a metallization layer for the plurality of semiconductor elements; and an interconnection structure laterally adjoined the vertical stack. The interconnection structure includes: an electrical isolation layer; and a conductive structure in the electrical isolation layer, wherein at least a part of a conductive structure in the metallization layer of the each element layer is in contact with and electrically connected to the conductive structure at a corresponding height in the interconnection structure in a lateral direction.
    Type: Grant
    Filed: December 8, 2021
    Date of Patent: April 16, 2024
    Assignee: INSTITUTE OF MICROELECTRONICS, CHINESE ACADEMY OF SCIENCES
    Inventor: Huilong Zhu
  • Patent number: 11942474
    Abstract: A method of manufacturing a parallel structure of semiconductor devices includes: disposing a semiconductor stack, which includes source/drain layers disposed vertically in sequence and channel layers therebetween, on a substrate; patterning the semiconductor stack into a predetermined shape to define an active region; forming gate stacks around at least part of peripheries of the channel layers; forming an isolation layer on peripheries of the active region and the gate stack; forming first to third conductive channels on a sidewall of the isolation layer; determining the pre-determined shape and a shape of the gate stacks, such that one of the source/drain layers on two sides of the channel layer passes through the isolation layer to contact the first conductive channel, while the other one passes through the isolation layer to contact the second conductive channel, and the gate stack passes through the isolation layer to contact the third conductive channel.
    Type: Grant
    Filed: February 22, 2023
    Date of Patent: March 26, 2024
    Assignee: INSTITUTE OF MICROELECTRONICS, CHINESE ACADEMY OF SCIENCES
    Inventor: Huilong Zhu
  • Patent number: 11929304
    Abstract: A semiconductor apparatus with a heat dissipation conduit in a sidewall interconnection structure, a method of manufacturing the semiconductor apparatus, and an electronic device including the semiconductor apparatus. According to the embodiments, the semiconductor apparatus includes: a carrier substrate having a first region and a second region adjacent to each other; a semiconductor device on the first region; and an interconnection structure on the second region, wherein the interconnection structure includes: an electrical isolation layer; a conductive structure in the electrical isolation layer, wherein at least a part of components require to be electrically connected in the semiconductor device is in contact with and therefore electrically connected to the conductive structure in a lateral direction, wherein the conductive structure is located at a corresponding height in the interconnection structure; and a heat dissipation conduit in the electrical isolation layer.
    Type: Grant
    Filed: February 8, 2022
    Date of Patent: March 12, 2024
    Assignee: INSTITUTE OF MICROELECTRONICS, CHINESE ACADEMY OF SCIENCES
    Inventors: Huilong Zhu, Tianchun Ye
  • Patent number: 11930720
    Abstract: The present disclosure provides a storage unit, a data writing method and a data reading method thereof, a memory and an electronic device. The storage unit includes a semiconductor substrate, a first insulating medium layer, a ferroelectric thin film layer, a bottom electrode, a tunnel junction, a first metal interconnection portion, a second metal interconnection portion, a third metal interconnection portion and a fourth metal interconnection portion. The first insulating medium layer is formed on the semiconductor substrate, the ferroelectric thin film layer is disposed on the first insulating medium layer, the bottom electrode is formed on the ferroelectric thin film layer, and the tunnel junction is formed on the bottom electrode. The first metal interconnection portion is connected to a first end of the bottom electrode, and the third metal interconnection portion is connected to a second end of the bottom electrode.
    Type: Grant
    Filed: October 6, 2021
    Date of Patent: March 12, 2024
    Assignee: INSTITUTE OF MICROELECTRONICS, CHINESE ACADEMY OF SCIENCES
    Inventors: Meiyin Yang, Jun Luo, Yan Cui, Jing Xu
  • Patent number: 11922257
    Abstract: A signal processing method is applied to an RFID electronic tag, and includes: coding a digital baseband signal to obtain a coded signal; performing phase-shift keying modulation on the coded signal to obtain a first modulated signal; performing OFDM modulation on the first modulated signal to obtain a second modulated signal; and sending the second modulated signal to an RFID reader, by means of which the OFDM demodulation, phase-shift keying demodulation, and decoding are performed sequentially on the second modulated signal. According to the signal processing method and device, and the RFID system of one or more embodiments of present disclosure, the RFID system can be caused to effectively utilize bandwidth, thereby achieving high-speed transmission of signals and significantly reducing a bit error ratio of signal transmission.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: March 5, 2024
    Assignee: INSTITUTE OF MICROELECTRONICS OF THE CHINESE ACADEMY OF SCIENCES
    Inventors: Feng Zhang, Zhisheng Chen
  • Patent number: 11895845
    Abstract: A memory device and a method for manufacturing the same, and an electronic apparatus including the memory device are provided. The memory device may include: a substrate (1001); an electrode structure on the substrate (1001), in which the electrode structure includes a plurality of first electrode layers and a plurality of second electrode layers that are alternately stacked; a plurality of vertical active regions penetrating the electrode structure; a first gate dielectric layer and a second gate dielectric layer, in which the first gate dielectric layer is between the vertical active region and each first electrode layer of the electrode structure, and the second gate dielectric layer is between the vertical active region and each second electrode layer of the electrode structure, each of the first gate dielectric layer and the second gate dielectric layer constitutes a data memory structure.
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: February 6, 2024
    Assignee: Institute of Microelectronics, Chinese Academy of Sciences
    Inventor: Huilong Zhu
  • Patent number: 11893271
    Abstract: A computing-in-memory circuit includes a Resistive Random Access Memory (RRAM) array and a peripheral circuit. The RRAM array comprises a plurality of memory cells arranged in an array pattern, and each memory cell is configured to store a data of L bits, L being an integer not less than 2. The peripheral circuit is configured to, in a storage mode, write more than one convolution kernels into the RRAM array, and in a computation mode, input elements that need to be convolved in a pixel matrix into the RRAM array and read a current of each column of memory cells, wherein each column of memory cells stores one convolution kernel correspondingly, and one element of the convolution kernel is stored in one memory cell correspondingly, and one element of the pixel matrix is correspondingly input into a word line that a row of memory cells connect.
    Type: Grant
    Filed: July 23, 2020
    Date of Patent: February 6, 2024
    Assignee: INSTITUTE OF MICROELECTRONICS OF THE CHINESE ACADEMY OF SCIENCES
    Inventors: Feng Zhang, Renjun Song
  • Publication number: 20240030313
    Abstract: A nanowire/nanosheet device having a ferroelectric or negative capacitance material and a method of manufacturing the same, and an electronic apparatus including the nanowire/nanosheet device are provided. According to embodiments, the semiconductor device may include: a substrate; a nanowire/nanosheet on the substrate and spaced apart from a surface of the substrate; a gate electrode surrounding the nanowire/nanosheet; a ferroelectric or negative capacitance material layer formed on a sidewall of the gate electrode; and source/drain layers at opposite ends of the nanowire/nanosheet and adjoining the nanowire/nanosheet.
    Type: Application
    Filed: March 24, 2021
    Publication date: January 25, 2024
    Applicant: INSTITUTE OF MICROELECTRONICS, CHINESE ACADEMY OF SCIENCES
    Inventors: Huilong ZHU, Weixing HUANG
  • Publication number: 20240005974
    Abstract: A self-reference storage structure includes: three transistors, including a first transistor T1, a second transistor T2, and a third transistor T3; and two magnetic tunnel junctions, including a first magnetic tunnel junction MTJ0 and a second magnetic tunnel junction MTJ1. The first magnetic tunnel junction MTJ0 is connected in series between the first transistor T1 and the second transistor T2, and the second magnetic tunnel junction MTJ1 is connected in series between the second transistor T2 and the third transistor T3. When the first transistor T1, the second transistor T2 and the third transistor T3 are turned on, one-bit binary information is written; and when data is stored, one-bit binary write can be implemented only by applying an unidirectional current pulse.
    Type: Application
    Filed: January 4, 2021
    Publication date: January 4, 2024
    Applicant: INSTITUTE OF MICROELECTRONICS OF THE CHINESE ACADEMY OF SCIENCES
    Inventors: Guozhong XING, Huai LIN, Yu LIU, Kaiping ZHANG, Kangwei ZHANG, Hangbing LV, Changqing XIE, Qi LIU, Ling LI, Ming LIU
  • Publication number: 20240005064
    Abstract: Provided is a method for optimizing a lithography quality, including: determining a wave function stray term introduced by a surface roughness of a metal film layer based on Eigen matrix method and Bloch theorem; inputting the wave function stray term into a lithography quality deviation mathematical model for calculation and simulation to obtain an influence analysis curve of a roughness of the metal film layer on a lithography quality, the influence analysis curve characterizes an influence result of the roughness of the metal film layer on the lithography quality; reducing the surface roughness of the metal film layer and/or providing a metal-dielectric multilayer film structure between a mask above a metal-dielectric unit and air according to the influence result, so as to optimize the lithography quality of the metal-dielectric unit. Provided is an apparatus for optimizing a lithography quality, an electronic device, a computer-readable storage medium and computer program product.
    Type: Application
    Filed: November 1, 2021
    Publication date: January 4, 2024
    Applicant: Institute of Microelectronics, Chinese Academy of Sciences
    Inventors: Lihong Liu, Yayi Wei, Huwen Ding
  • Patent number: 11842931
    Abstract: Provided are a semiconductor arrangement and a method for manufacturing the same. An example arrangement may comprise: a bulk semiconductor substrate; a fin formed on the substrate; a first FinFET and a second FinFET formed on the substrate, wherein the first FinFET comprises a first gate stack intersecting the fin and a first gate spacer disposed on sidewalls of the first gate stack, the second FinFET comprises a second gate stack intersecting the fin and a second gate spacer disposed on sidewalls of the second gate stack; a dummy gate spacer formed between the first FinFET and the second FinFET and intersecting the fin; a first isolation section self-aligned to a space defined by the dummy gate spacer, wherein the isolation section electrically isolates the first FinFET from the second FinFET; and a second isolation layer disposed under a bottom surface of the first isolation section.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: December 12, 2023
    Assignee: INSTITUTE OF MICROELECTRONICS, CHINESE ACADEMY OF SCIENCES
    Inventor: Huilong Zhu
  • Publication number: 20230394291
    Abstract: A neuron device including: an antiferromagnetic pinning layer, a first ferromagnetic layer and a spin orbit coupling layer formed on a substrate in sequence; a free layer formed on the spin orbit coupling layer and moving a magnetic domain wall according to a spin orbit torque; a tunneling layer formed on the free layer; a left pinning layer and a right pinning layer formed on two sides of the free layer and having opposite magnetization directions; and a reference layer formed on the tunneling layer; wherein the free layer, the tunneling layer and the reference layer constitute a magnetic tunnel junction, and the magnetic tunnel junction is configured to read neuronal signals. Also provided is a method for preparing a neuron device based on a spin orbit torque.
    Type: Application
    Filed: July 21, 2021
    Publication date: December 7, 2023
    Applicant: INSTITUTE OF MICROELECTRONICS, CHINESE ACANDEMY OF SCIENCES
    Inventors: Guozhong XING, Di Wang, Huai LIN, Long LIU, Ming LIU
  • Publication number: 20230397504
    Abstract: Provided is an all-electrically-controlled spintronic neuron device, a neuron circuit and a neural network. The neuron device includes: a bottom antiferromagnetic pinning layer; a synthetic antiferromagnetic layer formed on the bottom antiferromagnetic pinning layer; a potential barrier layer formed on the ferromagnetic free layer, wherein a region of the ferromagnetic free layer directly opposite to the potential barrier layer forms a threshold region; a ferromagnetic reference layer formed on the potential barrier layer; wherein the potential barrier layer, the ferromagnetic reference layer and the ferromagnetic free layer form a magnetic tunnel junction; a first antiferromagnetic pinning layer and a second antiferromagnetic pinning layer formed on an exposed region of the ferromagnetic free layer except the region directly opposite the potential barrier layer, and located on two sides of the potential barrier layer; and a first electrode formed on the ferromagnetic reference layer.
    Type: Application
    Filed: May 17, 2021
    Publication date: December 7, 2023
    Applicant: Institute of Microelectronics, Chinese Academy of Sciences
    Inventors: Guozhong Xing, Di Wang, Ming Liu
  • Publication number: 20230392982
    Abstract: A photoelectric detection device, including: a vacuum sealed housing, wherein the vacuum sealed housing includes a mounting interface for mounting the photodetector array so as to form a sealed space; the photodetector array has a detection surface facing an outside of the vacuum sealed housing and configured to receive multi-channel measurement optical signals; a photoelectric conversion and synchronous acquisition circuit and a high speed transmission circuit board are placed in the vacuum sealed housing, and the photodetector array is connected to the photoelectric conversion and synchronous acquisition circuit through a signal pin of the photodetector array; the photoelectric conversion and synchronous acquisition circuit is configured to synchronously convert the multi-channel measurement optical signals obtained by the photodetector array into multi-channel digital signals; and the high speed transmission circuit board is configured to perform a serial encoding processing on the converted multi-channel
    Type: Application
    Filed: November 30, 2020
    Publication date: December 7, 2023
    Applicant: INSTITUTE OF MICROELECTRONICS, CHINESE ACADEMY OF SCIENCES
    Inventors: Jing LI, Huijuan MA, Minxia DING, Zhipeng WU, Dan WANG
  • Patent number: 11839085
    Abstract: Provided are a three-dimensional vertical single transistor ferroelectric memory and a manufacturing method thereof. The ferroelectric memory comprises: a substrate; an insulating dielectric layer provided at the substrate; a channel structure extending through the insulating dielectric layer and connected to the substrate, the channel structure having a source/drain region and a channel region connected to the source/drain region; and a gate stack structure arranged around the channel structure and provided in the insulating dielectric layer opposite to the channel region, the gate stack structure comprising a ferroelectric insulation layer and a gate sequentially stacked in a direction away from the channel structure. The ferroelectric memory having the above structure can replace conventional DRAMs. Therefore, the invention realizes a high intensity high speed memory.
    Type: Grant
    Filed: November 4, 2019
    Date of Patent: December 5, 2023
    Assignee: Institute of Microelectronics, Chinese Academy of Sciences
    Inventors: Huaxiang Yin, Zhaozhao Hou, Tianchun Ye, Chaolei Li
  • Patent number: 11830929
    Abstract: The present disclosure provides a semiconductor device and a manufacturing method thereof, and an electronic device including the semiconductor device. The method includes: forming a first material layer and a second material layer sequentially on a substrate; defining an active region of the semiconductor device on the substrate, the first material layer and the second material layer, wherein the active region includes a channel region; forming spacers around an outer periphery of the channel region, respectively at set positions of the substrate and the second material layer; forming a first source/drain region and a second source/drain region on the substrate and the second material layer respectively; and forming a gate stack around the outer periphery of the channel region; wherein the spacers each have a thickness varying in a direction perpendicular to a direction from the first source/drain region pointing to the second source/drain region.
    Type: Grant
    Filed: October 14, 2022
    Date of Patent: November 28, 2023
    Assignee: INSTITUTE OF MICROELECTRONICS, CHINESE ACADEMY OF SCIENCES
    Inventor: Huilong Zhu
  • Patent number: 11827988
    Abstract: An embodiment of the present disclosure provides an etching method, having the following steps: forming a modified layer having a thickness of one or several atom layers on a selected region of a surface of a semiconductor material layer by using a modifier; and removing the modified layer. When a semiconductor is processed, this method achieves precise control over the etching thickness and improves the etching rate at the same time.
    Type: Grant
    Filed: August 18, 2022
    Date of Patent: November 28, 2023
    Assignee: Institute of Microelectronics, Chinese Academy of Sciences
    Inventors: Huilong Zhu, Xiaogen Yin, Chen Li, Anyan Du, Yongkui Zhang
  • Patent number: 11817480
    Abstract: A semiconductor device with U-shaped channel and electronic apparatus including the same are disclosed. the semiconductor device includes a first device and a second device opposite to each other on a substrate. The two devices each include: a channel portion vertically extending on the substrate and having a U-shape in a plan view; source/drain portions respectively located at upper and lower ends of the channel portion and along the U-shaped channel portion; and a gate stack overlapping the channel portion on an inner side of the U-shape. An opening of the U-shape of the first device and an opening of the U-shape of the second device are opposite to each other. At least a portion of the gate stack of the first device close to the channel portion and at least a portion of the gate stack of the second device close to the channel portion are substantially coplanar.
    Type: Grant
    Filed: December 4, 2020
    Date of Patent: November 14, 2023
    Assignee: INSTITUTE OF MICROELECTRONICS, CHINESE ACADEMY OF SCIENCES
    Inventor: Huilong Zhu
  • Patent number: 11810823
    Abstract: Semiconductor arrangements and methods of manufacturing the same. The semiconductor arrangement may include: a substrate including a base substrate, a first semiconductor layer on the substrate, and a second semiconductor layer on the first semiconductor layer; first and second fin structures formed on the substrate and extending in the same straight line, each of the first and second fin structures including at least portions of the second semiconductor layer; a first isolation part formed around the first and second fin structures on opposite sides of the straight line; first and second FinFETs formed on the substrate based on the first and second fin structures respectively; and a second isolation part between the first and second fin structures and intersecting the first and second fin structures to isolate the first and second fin structures from each other.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: November 7, 2023
    Assignee: INSTITUTE OF MICROELECTRONICS, CHINESE ACADEMY OF SCIENCES
    Inventor: Huilong Zhu
  • Patent number: 11810986
    Abstract: A method for integrating a surface-electrode ion trap and a silicon optoelectronic device, and an integrated structure. A silicon structure and a grating are formed on a wafer. A first dielectric layer, a second dielectric layer, a third dielectric layer, and a fourth dielectric layer are sequentially deposited above the wafer. An epitaxy opening is provided in the first dielectric layer to form single-photon avalanche detectors. First contacts vias connecting the detectors, and through silicon vias reaching a back surface of the wafer, are provided in the second dielectric layer and the third dielectric layer, respectively. Electrodes, the second contact vias and the third contact vias are provided in the fourth dielectric layer. The first contact vias are connected to a first electrode via the second contact vias, and the through silicon vias are connected to the first electrode and a second electrode via the third contact vias.
    Type: Grant
    Filed: December 14, 2020
    Date of Patent: November 7, 2023
    Assignee: Institute of Microelectronics, Chinese Academy of Sciences
    Inventors: Yan Yang, Zhihua Li, Wenwu Wang