Patents by Inventor Xiaoxu Kang

Xiaoxu Kang 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: 20240413175
    Abstract: A CMOS imaging sensor structure and a manufacturing method therefor. The CMOS imaging sensor structure comprises a pixel unit of the CMOS imaging sensor set on a semiconductor substrate, the pixel unit comprises a circuit device region and a first photosensitive region, the circuit device region is set on the frontside of the semiconductor substrate, the first photosensitive region is set correspondingly in the semiconductor substrate below the circuit device region, the circuit device region is isolated from the first photosensitive region by an isolation region, and the circuit device region is electrical connected with the first photosensitive region through a conductive trench, a fill factor of a photosensitive region is increased, and performances of a reading circuit is increased by a more optimized design scheme.
    Type: Application
    Filed: October 14, 2019
    Publication date: December 12, 2024
    Inventors: Xiaoxu KANG, Ming LI
  • Patent number: 12002708
    Abstract: The present invention discloses a method for forming an intermetallic air gap, which comprises following steps: S01: forming a trench in a solid dielectric; S02: preparing an insulating sheet-like two-dimensional material, wherein the insulating sheet-like two-dimensional material comprises an insulating nano sheet-like layer, the size of the insulating nano sheet-like layer in the sheet-like two-dimensional direction is greater than the size of the trench; S03: the insulating sheet-like two-dimensional material is deposited on the solid dielectric and the trench; S04: annealing the solid dielectric and the insulating sheet-like two-dimensional material to form a stable thin film composed of insulating sheet-like two-dimensional material on the trench.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: June 4, 2024
    Assignees: SHANGHAI IC R&D CENTER CO., LTD., SHANGHAI INTEGRATED CIRCUIT EQUIPMENT & MATERIALS INDUSTRY INNOVATION CENTER CO., LTD
    Inventors: Xiaoxu Kang, Ruoxi Shen, Xiaolan Zhong
  • Patent number: 11855107
    Abstract: The present disclosure relates to an image sensor structure and a manufacturing method thereof. A detection structure layer and a blind pixel structure layer are used. The detection structure layer and the blind pixel structure layer are effectively combined and further formed by ion implantation. Thus, the space ratio of a single pixel is reduced, the integration and device sensitivity are improved, and the blind pixel array and the pixel array are also in the same environment, thereby further improving the detection sensitivity and reducing the detection error.
    Type: Grant
    Filed: February 6, 2022
    Date of Patent: December 26, 2023
    Assignee: SHANGHAI IC R&D CENTER CO., LTD.
    Inventor: Xiaoxu Kang
  • Patent number: 11769679
    Abstract: The present disclosure relates to an apparatus and a method for improving film thickness uniformity, wherein a PECVD machine with twin chambers comprise a wafer heating platform, which is set to be a rotating platform with programmable speed control, by setting rotating speed of the platform, wafer is rotated for integral rounds within process time, so that a RF overlap between the twin chambers make consistent influence on edge regions of the wafer, and film around the wafer is evenly distributed, which not only eliminate abrupt change of film thickness caused by the RF overlap, but also reduce film thickness differences between edge regions and central regions of the film by a characteristic that the RF overlap improves film deposition rate, so as to ensure the film thickness more evenly in the range of the whole wafer.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: September 26, 2023
    Assignee: SHANGHAI IC R&D CENTER CO., LTD
    Inventors: Xiaolan Zhong, Xiaoxu Kang
  • Publication number: 20220343490
    Abstract: The present invention disclosures a recessed structure capable of being conveniently monitored online, wherein comprising a dielectric layer I, and a dielectric layer II positioned above the dielectric layer I, the dielectric layer I comprises a metal via layer and a metal contact layer, the metal contact layer is positioned above the metal via layer; the dielectric layer II comprises an inverted trapezoid groove positioned above the metal contact layer, the inverted trapezoid groove has inclined sidewall, and the horizontal cross-sectional area of the inverted trapezoid groove far away from the metal contact layer is larger than the horizontal cross-sectional area of the inverted trapezoid groove close to the metal contact layer; the inclined sidewall is covered with a reflective film.
    Type: Application
    Filed: December 4, 2019
    Publication date: October 27, 2022
    Inventor: Xiaoxu KANG
  • Publication number: 20220262833
    Abstract: The present disclosure relates to an image sensor structure and a manufacturing method thereof. A detection structure layer and a blind pixel structure layer are used. The detection structure layer and the blind pixel structure layer are effectively combined and further formed by ion implantation. Thus, the space ratio of a single pixel is reduced, the integration and device sensitivity are improved, and the blind pixel array and the pixel array are also in the same environment, thereby further improving the detection sensitivity and reducing the detection error.
    Type: Application
    Filed: February 6, 2022
    Publication date: August 18, 2022
    Inventor: Xiaoxu Kang
  • Publication number: 20220246466
    Abstract: The present invention discloses a method for forming an intermetallic air gap, which comprises following steps: S01: forming a trench in a solid dielectric; S02: preparing an insulating sheet-like two-dimensional material, wherein the insulating sheet-like two-dimensional material comprises an insulating nano sheet-like layer, the size of the insulating nano sheet-like layer in the sheet-like two-dimensional direction is greater than the size of the trench; S03: the insulating sheet-like two-dimensional material is deposited on the solid dielectric and the trench; S04: annealing the solid dielectric and the insulating sheet-like two-dimensional material to form a stable thin film composed of insulating sheet-like two-dimensional material on the trench.
    Type: Application
    Filed: December 4, 2019
    Publication date: August 4, 2022
    Inventors: XIAOXU KANG, Ruoxi SHEN, Xiaolan ZHONG
  • Patent number: 11378459
    Abstract: The present disclosure discloses an infrared sensor structure, comprises a cantilever switch array, the cantilever switch array comprises cantilever switches, and each cantilever switch comprises a cantilever beam and a switch corresponding to the cantilever beam, vertical heights from the cantilever beams to the switches in different cantilever switches are different from each other, when the cantilever beams are deformed towards the switches and connect to the switches, the switches turn on; wherein, deformations of different cantilever beams produced by absorbing infrared signal are different from each other, the intensity of the infrared signal can be quantified by number of the switches on, so as to realize detection of the infrared signal. The manufacturing of the infrared sensor structure in the present disclosure can be compatible with the existing semiconductor CMOS process.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: July 5, 2022
    Assignee: SHANGHAI IC R&D CENTER CO., LTD
    Inventor: Xiaoxu Kang
  • Publication number: 20220149106
    Abstract: The present disclosure provided an infrared detector having a vertical sidewall sensitive layer and a manufacturing method thereof. By forming at least one fin structure on a semiconductor substrate; and a sensitive layer can be formed on the sidewall of the fin structure by ion implantation. The vertical sidewall sensitive layer is configured to reduce the impact of lithography on the sensitive layer, thereby reducing the impact on the sensitivity of the sensitive layer (03).
    Type: Application
    Filed: June 30, 2017
    Publication date: May 12, 2022
    Inventor: Xiaoxu Kang
  • Patent number: 11276718
    Abstract: The present disclosure relates to an image sensor structure and a manufacturing method thereof. A detection structure layer and a blind pixel structure layer are used. The detection structure layer and the blind pixel structure layer are effectively combined and further formed by ion implantation. Thus, the space ratio of a single pixel is reduced, the integration and device sensitivity are improved, and the blind pixel array and the pixel array are also in the same environment, thereby further improving the detection sensitivity and reducing the detection error.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: March 15, 2022
    Assignee: SHANGHAI IC R&D CENTER CO., LTD
    Inventor: Xiaoxu Kang
  • Publication number: 20210358990
    Abstract: The present disclosure discloses a small-size infrared sensor structure and a manufacturing method therefor. Trench is etched in a conductive beam region, and the conductive beam is formed by the sidewall of the trench, so that the small-size infrared sensor structure with adjacent pixel structures can share one conductive support hole, thereby improving integration degree of the pixels, enlarging the regions of the infrared detection regions of the pixels, and improving infrared detection efficiency.
    Type: Application
    Filed: December 22, 2017
    Publication date: November 18, 2021
    Inventors: Xiaoxu KANG, Yuhang ZHAO
  • Patent number: 11120970
    Abstract: The invention provided an ion implantation system. The ion implantation system comprises an ion emitting device and a target plate device; the target plate device comprises a graphite electrode unit and a power supply unit; the graphite electrode unit is mounted on the lower end of a support frame, and the graphite electrode unit is a hollow structure; the graphite electrode unit comprises a graphite electrode and a hollow region I, the graphite electrode is connected to the power supply unit; the area of the hollow region I is smaller than that of the wafer to be processed, and the sum of the area of the graphite electrode and the area of the hollow region I is larger than an implantation area of the ion beam.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: September 14, 2021
    Assignee: SHANGHAI IC R&D CENTER CO., LTD
    Inventors: Xiaoxu Kang, Shaohai Zeng
  • Patent number: 11034577
    Abstract: The present invention provides an infrared detector pixel structure and manufacturing method thereof.
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: June 15, 2021
    Assignee: SHANGHAI IC R&D CENTER CO., LTD
    Inventor: Xiaoxu Kang
  • Publication number: 20210143194
    Abstract: The present disclosure relates to an image sensor structure and a manufacturing method thereof. A detection structure layer and a blind pixel structure layer are used. The detection structure layer and the blind pixel structure layer are effectively combined and further formed by ion implantation. Thus, the space ratio of a single pixel is reduced, the integration and device sensitivity are improved, and the blind pixel array and the pixel array are also in the same environment, thereby further improving the detection sensitivity and reducing the detection error.
    Type: Application
    Filed: June 30, 2017
    Publication date: May 13, 2021
    Inventor: Xiaoxu KANG
  • Publication number: 20210055163
    Abstract: The present disclosure discloses an infrared sensor structure, comprises a cantilever switch array, the cantilever switch array comprises cantilever switches, and each cantilever switch comprises a cantilever beam and a switch corresponding to the cantilever beam, vertical heights from the cantilever beams to the switches in different cantilever switches are different from each other, when the cantilever beams are deformed towards the switches and connect to the switches, the switches turn on; wherein, deformations of different cantilever beams produced by absorbing infrared signal are different from each other, the intensity of the infrared signal can be quantified by number of the switches on, so as to realize detection of the infrared signal. The manufacturing of the infrared sensor structure in the present disclosure can be compatible with the existing semiconductor CMOS process.
    Type: Application
    Filed: August 29, 2018
    Publication date: February 25, 2021
    Inventor: Xiaoxu KANG
  • Publication number: 20210043483
    Abstract: The present disclosure relates to an apparatus and a method for improving film thickness uniformity, wherein a PECVD machine with twin chambers comprise a wafer heating platform, which is set to be a rotating platform with programmable speed control, by setting rotating speed of the platform, wafer is rotated for integral rounds within process time, so that a RF overlap between the twin chambers make consistent influence on edge regions of the wafer, and film around the wafer is evenly distributed, which not only eliminate abrupt change of film thickness caused by the RF overlap, but also reduce film thickness differences between edge regions and central regions of the film by a characteristic that the RF overlap improves film deposition rate, so as to ensure the film thickness more evenly in the range of the whole wafer.
    Type: Application
    Filed: August 29, 2018
    Publication date: February 11, 2021
    Inventors: Xiaolan ZHONG, Xiaoxu KANG
  • Patent number: 10816406
    Abstract: The present invention provides an infrared detector pixel structure and manufacturing method thereof. The bottom portion of a silicon substrate is bonded with a bonding substrate, an infrared absorbing layer in the bonding substrate is used for absorbing a part of infrared light, a closed cavity filled with infrared-sensitive gas is set in the silicon substrate, and a piezoelectric transforming unit is bonded onto the closed cavity. When the infrared-sensitive gas absorbs the infrared light to expand, the infrared sensitive gas will press the piezoelectric transforming unit, which causes piezoelectric signal generated by the piezoelectric transforming unit to be changed, thereby achieving the detection on the infrared light.
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: October 27, 2020
    Assignee: SHANGHAI IC R&D CENTER CO., LTD
    Inventor: Xiaoxu Kang
  • Publication number: 20200203124
    Abstract: The invention provided an ion implantation system. The ion implantation system comprises an ion emitting device and a target plate device; the target plate device comprises a graphite electrode unit and a power supply unit; the graphite electrode unit is mounted on the lower end of a support frame, and the graphite electrode unit is a hollow structure; the graphite electrode unit comprises a graphite electrode and a hollow region I, the graphite electrode is connected to the power supply unit; the area of the hollow region I is smaller than that of the wafer to be processed, and the sum of the area of the graphite electrode and the area of the hollow region I is larger than an implantation area of the ion beam.
    Type: Application
    Filed: June 30, 2017
    Publication date: June 25, 2020
    Inventors: Xiaoxu Kang, Shaohai ZENG
  • Patent number: 10670468
    Abstract: The present invention provides an infrared pixel structure and a hybrid imaging device which use comb-shaped top plates and bottom plates to form capacitors. The upper electrode has a non-fixed end such that the infrared sensitive element in the upper electrode generates thermal stress and deforms when absorbing the infrared light, which changes the capacitance of the capacitors formed by the top plates and the bottom plates to achieve infrared detection and increase the device sensitivity. Furthermore, the infrared pixel structure can be used in an infrared light and visible light hybrid imaging device to achieve visible light imaging and infrared imaging in a same silicon substrate, so as to increase the imaging quality.
    Type: Grant
    Filed: November 7, 2016
    Date of Patent: June 2, 2020
    Assignee: SHANGHAI R&D CENTER CO., LTD
    Inventors: Xiaoxu Kang, Shoumian Chen
  • Publication number: 20190198150
    Abstract: One variation of a method for tracking user satisfaction, recovery, training progress, and outcomes during a recovery and wellness regimen includes: generating a user profile of a user based on user information entered through a user portal; associating the user with a subset of users in a user population based on similarities between the user profile and user profiles of the subset of users; assigning data input types, user check-in schedules, training tasks, and schedules to the user during a recovery and wellness regimen based on historical data from the subset of users; transmitting prompts to the user based on the data input types, user check-in schedules, training plans and schedules; updating the user profile based on responses to the prompts; and notifying a care provider affiliated with the user in response to negative deviation of the user profile from user profiles of patients in the subset of users.
    Type: Application
    Filed: October 13, 2018
    Publication date: June 27, 2019
    Inventors: Xiaoxu Kang, Steven Mahana