Patents by Inventor Qingqing WANG
Qingqing WANG 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).
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Patent number: 12058864Abstract: A method for forming a 3D memory device is disclosed. The method includes forming an alternating dielectric stack on a substrate. Then a plurality of channel structures and dummy channel structures vertically penetrating the alternating dielectric stack are formed, The channel structures are located in a core region, and the dummy channel structures are located in a staircase region. A gate line silt structure is formed vertically penetrating the alternating dielectric stack and laterally extending in a first direction. The gate line silt structure includes a narrow portion that has a reduced width along a second direction different from the first direction.Type: GrantFiled: September 11, 2020Date of Patent: August 6, 2024Assignee: Yangtze Memory Technologies Co., Ltd.Inventors: Qingqing Wang, Wei Xu, Wenbin Zhou
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Patent number: 12021030Abstract: Aspects of the disclosure provide a semiconductor device. The semiconductor device can include a trench formed in a first dielectric layer, a trench filler layer that fills a portion of the trench, a conductive layer over the trench filler layer, and a second dielectric layer over the conductive layer. The second dielectric layer is disposed in the trench. The semiconductor device can also include a contact structure configured to connect to the conductive layer through a hole in the second dielectric layer.Type: GrantFiled: April 1, 2021Date of Patent: June 25, 2024Assignee: Yangtze Memory Technologies Co., Ltd.Inventors: Wei Xu, Qingqing Wang, Jinxing Chen, Guanglong Fan, Huichao Liu
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Patent number: 11826015Abstract: A system and method for controlling a capsule endoscope is provided. The control method includes: measuring a magnetic field value of the environment in which the capsule endoscope is subjected; obtaining a critical magnetic field value for suspension of the capsule endoscope according to the magnetic field value; adjusting a traction force on the capsule endoscope according to the critical magnetic field value for suspension; and controlling the movement of the capsule endoscope in a horizontal and/or vertical direction, wherein the movement of the first magnet is controlled by moving the second magnet, and the capsule endoscope is in a quasi-suspended state as moving in the horizontal and/or vertical direction. The system and method reduce friction between the capsule endoscope and wall of the target area during movement by controlling the capsule endoscope in a quasi-suspended state, which makes the scanning of the target area more accurate.Type: GrantFiled: April 8, 2021Date of Patent: November 28, 2023Assignees: ANKON MEDICAL TECHNOLOGIES (SHANGHAI) CO., LTD., ANX IP HOLDING PTE. LTD.Inventors: Xiaodong Duan, Qingqing Wang
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Patent number: 11819320Abstract: The present invention discloses a method and system for determining orientation of a capsule endoscope. An external magnetic field is provided outside the capsule endoscope, and an internal magnetic field is provided inside the capsule endoscope. Magnetic field data is obtained according to the external magnetic field and the internal magnetic field, and acceleration data of the capsule endoscope is obtained. When the polarization direction of the external magnetic field is horizontal, the orientation information of the capsule endoscope is obtained according to the acceleration data. When the polarization direction of the external magnetic field is non-horizontal, the orientation information of the capsule endoscope is obtained according to the acceleration data and the magnetic field data.Type: GrantFiled: March 11, 2021Date of Patent: November 21, 2023Assignees: Ankon Medical Technologies (Shanghai) Co., LTD, ANX IP HOLDING PTE. LTD.Inventors: Xiaodong Duan, Qingqing Wang
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Patent number: 11789163Abstract: Provided is a navigation board, a multi-source data fusion method for a navigation board and a transporter. The navigation board includes a printed circuit board, a global navigation satellite system module, an inertial sensor, a processor, and a data interface; the processor is configured to execute a large misalignment angle initialization algorithm, an inertial strapdown solution algorithm, and a multi-source data fusion solution; and a size of the navigation board is smaller than or equal to a size of a standard GNSS board, and the navigation board at least includes the same data interface as a data interface of the standard GNSS board.Type: GrantFiled: May 26, 2020Date of Patent: October 17, 2023Assignee: SHANGHAI HUACE NAVIGATION TECHNOLOGY LTDInventors: Shengfei Dong, Haifeng Deng, Yan Gao, Qingqing Wang, Xiangzhen Dang, Jianbo Wang, Hanxu Luo, Jun Wang
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Patent number: 11758723Abstract: A method for forming a three-dimensional (3D) memory device includes forming a cut structure in a stack structure. The stack structure includes interleaved a plurality of initial sacrificial layers and a plurality of initial insulating layers. The method also includes removing portions of the stack structure adjacent to the cut structure to form a slit structure and an initial support structure. The initial support structure divides the slit structure into a plurality of slit openings. The method further includes forming a plurality of conductor portions in the initial support structure through the plurality of slit openings. The method also includes forming a source contact in each of the plurality of slit openings. The method also includes removing portions of the initial support structure to form a support structure. The support structure includes an adhesion portion extending through the support structure.Type: GrantFiled: January 13, 2021Date of Patent: September 12, 2023Assignee: YANGTZE MEMORY TECHNOLOGIES CO., LTD.Inventors: Qingqing Wang, Wei Xu, Pan Huang, Ping Yan, Zongliang Huo, Wenbin Zhou
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Publication number: 20230225583Abstract: A system and method for controlling a capsule endoscope is provided. The control method includes: measuring a magnetic field value of the environment in which the capsule endoscope is subjected; obtaining a critical magnetic field value for suspension of the capsule endoscope according to the magnetic field value; adjusting a traction force on the capsule endoscope according to the critical magnetic field value for suspension; and controlling the movement of the capsule endoscope in a horizontal and/or vertical direction, wherein the movement of the first magnet is controlled by moving the second magnet, and the capsule endoscope is in a quasi-suspended state as moving in the horizontal and/or vertical direction. The system and method reduce friction between the capsule endoscope and wall of the target area during movement by controlling the capsule endoscope in a quasi-suspended state, which makes the scanning of the target area more accurate.Type: ApplicationFiled: April 8, 2021Publication date: July 20, 2023Applicants: Ankon Medical Technologies (Shanghai) Co., LTD., ANX IP HOLDING PTE. LTD.Inventors: Xiaodong DUAN, Qingqing WANG
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Publication number: 20230140992Abstract: The present disclosure relates to a three-dimensional memory and a manufacturing method thereof. The three-dimensional memory includes: a stack structure comprising a plurality of alternately stacked gate layers and dielectric layers; a plurality of channel structures vertically penetrating the stack structure; a first gate line slit structure extending along a first horizontal direction and dividing the plurality of channel structures into two memory blocks, wherein the first gate line slit structure is partitioned by a plurality of first isolation regions into a plurality of first gate line slit sub-structures; and a plurality of first connection structures each connecting, along the first horizontal direction, adjacent first gate line slit sub-structures partitioned by one first isolation region.Type: ApplicationFiled: December 28, 2022Publication date: May 11, 2023Inventors: Qingqing Wang, Jianlu Wang, Wei Xu, Ming Zeng
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Publication number: 20230098511Abstract: Provided is a navigation board, a multi-source data fusion method for a navigation board and a transporter. The navigation board includes a printed circuit board, a global navigation satellite system module, an inertial sensor, a processor, and a data interface; the processor is configured to execute a large misalignment angle initialization algorithm, an inertial strapdown solution algorithm, and a multi-source data fusion solution; and a size of the navigation board is smaller than or equal to a size of a standard GNSS board, and the navigation board at least includes the same data interface as a data interface of the standard GNSS board.Type: ApplicationFiled: May 26, 2020Publication date: March 30, 2023Inventors: Shengfei Dong, Haifeng Deng, Yan Gao, Qingqing Wang, Xiangzhen Dang, Jianbo Wang, Hanxu Luo, Jun Wang
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Publication number: 20220313609Abstract: A nano composite material aiming at an acidic sealing zone in osteoclasts and a preparation method thereof are provided. The nano composite material aiming at the acidic sealing zone in the osteoclasts includes a nano material, bone-targeting molecules, and a compound able to react with the acidic sealing zone in the osteoclasts, wherein: after being modified by the bone-targeting molecules, the nano material is loaded with the compound able to react with the acidic sealing zone in the osteoclasts. Through accurate mature osteoclast targeting and chemically regulated biocascade effects, the osteoclasts are inhibited, which provides a new idea and a new tool for drug therapy of abnormal osteoclast activation.Type: ApplicationFiled: April 10, 2020Publication date: October 6, 2022Inventors: Xianfeng Lin, Chenhui Gu, Qingqing Wang, Shunwu Fan
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Publication number: 20220285275Abstract: Aspects of the disclosure provide a semiconductor device. The semiconductor device can include a trench formed in a first dielectric layer, a trench filler layer that fills a portion of the trench, a conductive layer over the trench filler layer, and a second dielectric layer over the conductive layer. The second dielectric layer is disposed in the trench. The semiconductor device can also include a contact structure configured to connect to the conductive layer through a hole in the second dielectric layer.Type: ApplicationFiled: April 1, 2021Publication date: September 8, 2022Applicant: Yangtze Memory Technologies Co., Ltd.Inventors: Wei XU, Qingqing WANG, Jinxing CHEN, Guanglong FAN, Huichao LIU
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Patent number: 11239295Abstract: The present disclosure provides an organic light-emitting device including a substrate, a pixel defining layer disposed on the substrate, a plurality of supporting members disposed on the pixel defining layer, and at least one organic light-emitting diode disposed on the substrate. The pixel defining layer defines a plurality of pixel regions. The plurality of pixel regions includes a plurality of first pixel regions, a plurality of second pixel regions, and a plurality of third pixel regions. The supporting members are located at first junction regions between the first pixel regions, the second pixel regions, and third pixel regions. 25 to 350 supporting members are provided on every square millimeter of the substrate. The organic light-emitting diode includes an anode, an organic light-emitting layer, and a cathode. The present disclosure further provides a method for manufacturing the organic light-emitting device and a mask for making the supporting member.Type: GrantFiled: May 15, 2020Date of Patent: February 1, 2022Assignee: KUNSHAN GO-VISIONOX OPTO-ELECTRONIOS CO., LTD.Inventors: Mengcong Duan, Shaolei Yang, Chao Chi Peng, Wei Ao, Jinfang Zhang, Qingqing Wang, Xuliang Wang
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Patent number: 11150461Abstract: The present invention discloses a system and a method for phase contrast microscopy imaging. The system includes a microscope, a light source array, an image acquisition module and a calculation module. The light source array includes a fixture having a through hole and two light source groups arranged around the through hole. The two light source groups emit a first beam and a second beam symmetrically arranged about a optical axis of the microscope to illuminate a specimen. The light beams enter and get scattered in the specimen and are obliquely transmitted through the specimen, and collected by the microscope after passing through the through hole. The image acquisition module acquires a first image corresponding to the first beam and a second image corresponding to the second beam. The calculation module obtains a phase contrast image according to the first and second image.Type: GrantFiled: November 15, 2020Date of Patent: October 19, 2021Assignee: ANKON MEDICAL TECHNOLOGIES (SHANGHAI) CO., LTDInventors: Xiaodong Duan, Qingqing Wang, Qinghu You
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Publication number: 20210296345Abstract: A method for forming a 3D memory device is disclosed. The method includes forming an alternating dielectric stack on a substrate. Then a plurality of channel structures and dummy channel structures vertically penetrating the alternating dielectric stack are formed, The channel structures are located in a core region, and the dummy channel structures are located in a staircase region. A gate line silt structure is formed vertically penetrating the alternating dielectric stack and laterally extending in a first direction. The gate line silt structure includes a narrow portion that has a reduced width along a second direction different from the first direction.Type: ApplicationFiled: September 11, 2020Publication date: September 23, 2021Applicant: Yangtze Memory Technologies Co., Ltd.Inventors: Qingqing WANG, Wei XU, Wenbin ZHOU
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Publication number: 20210282661Abstract: The present invention discloses a method and system for determining orientation of a capsule endoscope. An external magnetic field is provided outside the capsule endoscope, and an internal magnetic field is provided inside the capsule endoscope. Magnetic field data is obtained according to the external magnetic field and the internal magnetic field, and acceleration data of the capsule endoscope is obtained. When the polarization direction of the external magnetic field is horizontal, the orientation information of the capsule endoscope is obtained according to the acceleration data. When the polarization direction of the external magnetic field is non-horizontal, the orientation information of the capsule endoscope is obtained according to the acceleration data and the magnetic field data.Type: ApplicationFiled: March 11, 2021Publication date: September 16, 2021Applicants: Ankon Medical Technologies (Shanghai) Co., LTD., Anx IP Holding PTE. LTD.Inventors: Xiaodong DUAN, Qingqing WANG
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Patent number: 11094713Abstract: A three-dimensional (3D) memory device includes a memory stack over a substrate. The memory stack includes interleaved conductor layers and insulating layers. The 3D memory device also includes channel structures extending vertically in the memory stack. The 3D memory device further includes a source structure extending in the memory stack. The source structure includes first and second source contacts separated by a support structure. The source structure also includes an adhesion layer. At least a portion of the adhesion layer is between the first and second source contacts and conductively connects the first and second source contacts.Type: GrantFiled: November 20, 2019Date of Patent: August 17, 2021Assignee: YANGTZE MEMORY TECHNOLOGIES CO., LTD.Inventors: Qingqing Wang, Wei Xu, Pan Huang, Ping Yan, Zongliang Huo, Wenbin Zhou
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Publication number: 20210167084Abstract: A method for forming a three-dimensional (3D) memory device includes forming a cut structure in a stack structure. The stack structure includes interleaved a plurality of initial sacrificial layers and a plurality of initial insulating layers. The method also includes removing portions of the stack structure adjacent to the cut structure to form a slit structure and an initial support structure. The initial support structure divides the slit structure into a plurality of slit openings. The method further includes forming a plurality of conductor portions in the initial support structure through the plurality of slit openings. The method also includes forming a source contact in each of the plurality of slit openings. The method also includes removing portions of the initial support structure to form a support structure. The support structure includes an adhesion portion extending through the support structure.Type: ApplicationFiled: January 13, 2021Publication date: June 3, 2021Inventors: Qingqing Wang, Wei Xu, Pan Huang, Ping Yan, Zongliang Huo, Wenbin Zhou
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Publication number: 20210149177Abstract: The present invention discloses a system and a method for phase contrast microscopy imaging. The system includes a microscope, a light source array, an image acquisition module and a calculation module. The light source array includes a fixture having a through hole and two light source groups arranged around the through hole. The two light source groups emit a first beam and a second beam symmetrically arranged about a optical axis of the microscope to illuminate a specimen. The light beams enter and get scattered in the specimen and are obliquely transmitted through the specimen, and collected by the microscope after passing through the through hole. The image acquisition module acquires a first image corresponding to the first beam and a second image corresponding to the second beam. The calculation module obtains a phase contrast image according to the first and second image.Type: ApplicationFiled: November 15, 2020Publication date: May 20, 2021Applicant: Ankon Medical Technologies (Shanghai) Co., LTDInventors: Xiaodong DUAN, Qingqing WANG, Qinghu YOU
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Publication number: 20210066336Abstract: A three-dimensional (3D) memory device includes a memory stack over a substrate. The memory stack includes interleaved conductor layers and insulating layers. The 3D memory device also includes channel structures extending vertically in the memory stack. The 3D memory device further includes a source structure extending in the memory stack. The source structure includes first and second source contacts separated by a support structure. The source structure also includes an adhesion layer. At least a portion of the adhesion layer is between the first and second source contacts and conductively connects the first and second source contacts.Type: ApplicationFiled: November 20, 2019Publication date: March 4, 2021Inventors: Qingqing Wang, Wei Xu, Pan Huang, Ping Yan, Zongliang Huo, Wenbin Zhou
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Publication number: 20200279898Abstract: The present disclosure provides an organic light-emitting device including a substrate, a pixel defining layer disposed on the substrate, a plurality of supporting members disposed on the pixel defining layer, and at least one organic light-emitting diode disposed on the substrate. The pixel defining layer defines a plurality of pixel regions. The plurality of pixel regions includes a plurality of first pixel regions, a plurality of second pixel regions, and a plurality of third pixel regions. The supporting members are located at first junction regions between the first pixel regions, the second pixel regions, and third pixel regions. 25 to 350 supporting members are provided on every square millimeter of the substrate. The organic light-emitting diode includes an anode, an organic light-emitting layer, and a cathode. The present disclosure further provides a method for manufacturing the organic light-emitting device and a mask for making the supporting member.Type: ApplicationFiled: May 15, 2020Publication date: September 3, 2020Inventors: Mengcong DUAN, Shaolei YANG, Chao Chi PENG, Wei AO, Jinfang ZHANG, Qingqing WANG, Xuliang WANG