Patents by Inventor Wei Lei
Wei Lei 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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Publication number: 20250130256Abstract: A probe head includes an upper pin holder and a lower pin holder coupled to the upper pin holder. A pin arrangement space is defined between the upper pin holder and the lower pin holder. A conductive film is disposed between the upper pin holder and the lower pin holder. A plurality of probe pins penetrates through the upper pin holder, the conductor film and the lower pin holder, and extends outwardly from a bottom surface of the lower pin holder.Type: ApplicationFiled: October 3, 2024Publication date: April 24, 2025Applicant: MEDIATEK INC.Inventors: Jing-Hui Zhuang, Ying-Chou Shih, Chang-Lin Wei, Sheng-Wei Lei, Chih-Yang Liu, Jhih-Huei Chiu, Yen-Hui Li, Che-Sheng Lin
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Patent number: 12272659Abstract: Methods for reducing resistivity of metal gapfill include depositing a conformal layer in an opening of a feature and on a field of a substrate with a first thickness of the conformal layer of approximately 10 microns or less, depositing a non-conformal metal layer directly on the conformal layer at a bottom of the opening and directly on the field using an anisotropic deposition process. A second thickness of the non-conformal metal layer on the field and on the bottom of the feature is approximately 30 microns or greater. And depositing a metal gapfill material in the opening of the feature and on the field where the metal gapfill material completely fills the opening without any voids.Type: GrantFiled: September 14, 2022Date of Patent: April 8, 2025Assignee: APPLIED MATERIALS, INC.Inventors: Yi Xu, Yu Lei, Zhimin Qi, Aixi Zhang, Xianyuan Zhao, Wei Lei, Xingyao Gao, Shirish A. Pethe, Tao Huang, Xiang Chang, Patrick Po-Chun Li, Geraldine Vasquez, Dien-yeh Wu, Rongjun Wang
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Publication number: 20250079199Abstract: A method of selective metal removal via gradient oxidation for a gap-fill includes performing process cycles, each process cycle including placing a wafer having a semiconductor structure thereon into a first processing station, the semiconductor structure including a dielectric layer patterned with a feature formed therein and a seed layer formed on sidewalls and a bottom surface of the feature and a top surface of the dielectric layer, performing a reduction process on the wafer in the first processing station, performing a gradient oxidation process on the wafer in the second processing station, performing a gradient etch process on the wafer in the third processing station, and performing the gradient etch process on the wafer in the fourth processing station, wherein the first, second, third, and fourth processing stations are located in an interior volume of a processing chamber.Type: ApplicationFiled: August 29, 2023Publication date: March 6, 2025Inventors: Shiyu YUE, Sahil Jaykumar PATEL, Yu LEI, Wei LEI, Chih-Hsun HSU, Yi XU, Abulaiti HAIRISHA, Cong TRINH, Yixiong YANG, Ju Hyun OH, Aixi ZHANG, Xingyao GAO, Rongjun WANG
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Patent number: 12237794Abstract: A method for protecting a motor from overheating, includes: running a motor in a given parameter P and detecting a real-time temperature R of the motor; comparing the real-time temperature R with a plurality of set temperatures, the plurality of set temperatures including an overheating protection temperature Rm, shutdown temperature Rmax and recovery operation temperature Rmin, Rmin<Rm<Rmax; according to a comparison result, controlling the motor to operate at an initial current value I0, or operate in a reduced current value with respect to the initial current value I0, or stop running; and when the real-time temperature R meets the condition: Rm<R<Rmax, running the motor in an overheating protection mode, where the motor operates in a current value I lower than the initial current value I0, and the current value I decreases with the increase of the real-time temperature R.Type: GrantFiled: January 13, 2023Date of Patent: February 25, 2025Assignee: ZHONGSHAN BROAD-OCEAN MOTOR CO., LTD.Inventors: Xiaosan Xu, Hairong Sun, Wei Lei, Jie Zhang
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Differential pressure sliding sleeve, and oil and gas well fracturing construction method using same
Patent number: 12215580Abstract: A differential-pressure sliding sleeve has an outer cylinder with a flow guiding hole being provided in a wall of the outer cylinder, an inner cylinder arranged in an inner cavity of the outer cylinder, an upper joint extending into the outer cylinder and fixedly connected to an upper end of the outer cylinder, a lower joint extending into the outer cylinder and fixedly connected to a lower end of the outer cylinder, and a dissolvable carrier ring arranged between the lower joint and the inner cylinder. An area of the axial upper end surface of the inner cylinder is greater than that of an axial lower end surface thereof, so that the working fluid generates a pressure difference to provide downward pressure for the inner cylinder, which moves downward under the pressure after the carrier ring is dissolved to open the flow guiding hole.Type: GrantFiled: June 10, 2021Date of Patent: February 4, 2025Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SINOPEC SOUTHWEST OIL & GAS COMPANYInventors: Shunqu Hu, Yongmao Lin, Wei Zhao, Wei Lei, Zhi Xie, Zhimin Hou, Chen Chen, Qiang Wang, Dan Hu, Jingyu Cui -
Patent number: 12203163Abstract: Methods of processing a substrate in a PVD chamber are provided herein. In some embodiments, a method of processing a substrate in a PVD chamber, includes: sputtering material from a target disposed in the PVD chamber and onto a substrate, wherein at least some of the material sputtered from the target is guided to the substrate through a magnetic field provided by one or more upper magnets disposed about a processing volume of the PVD chamber above a support pedestal for the substrate in the PVD chamber, one or more first magnets disposed about the support pedestal and providing an increased magnetic field strength at an edge region of the substrate, and one or more second magnets disposed below the support pedestal that increase a magnetic field strength at a central region of the substrate.Type: GrantFiled: May 28, 2021Date of Patent: January 21, 2025Assignee: APPLIED MATERIALS, INC.Inventors: Goichi Yoshidome, Suhas Bangalore Umesh, Sushil Arun Samant, Martin Lee Riker, Wei Lei, Kishor Kumar Kalathiparambil, Shirish A. Pethe, Fuhong Zhang, Prashanth Kothnur, Andrew Tomko
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Patent number: 12191198Abstract: Apparatus and methods to provide electronic devices comprising tungsten film stacks are provided. A tungsten liner formed by physical vapor deposition is filled with a tungsten film formed by chemical vapor deposition directly over the tungsten liner.Type: GrantFiled: August 25, 2020Date of Patent: January 7, 2025Assignee: Applied Materials, Inc.Inventors: Feihu Wang, Joung Joo Lee, Xi Cen, Zhibo Yuan, Wei Lei, Kai Wu, Chunming Zhou, Zhebo Chen
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Publication number: 20250006518Abstract: Embodiments herein relate to a method, semiconductor device structures, and multi-chamber processing system for exposing a semiconductor device structure to an oxidizing plasma to form an oxide layer on at least one electrical connection formed in at least one feature formed within a dielectric layer of the semiconductor device structure, performing an etch process to remove the oxide layer and form an etch recess between a portion of the electrical connection and the dielectric layer At least a portion of the etch recess extends underneath at least a portion of the dielectric layer, and filling the at least one feature and the etch recess with a metal material.Type: ApplicationFiled: June 25, 2024Publication date: January 2, 2025Inventors: Shiyu YUE, Wei LEI, Yu LEI, Ju Hyun OH, Zhimin QI, Sahil Jaykumar PATEL, Yi XU, Aixi ZHANG, Bingqian LIU, Cong TRINH, Xianmin TANG, Hayrensa ABLAT
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Publication number: 20240420947Abstract: A method of pre-cleaning in a semiconductor structure includes performing a plasma pre-treatment process to remove impurities from a surface of a semiconductor structure comprising a metal layer and a dielectric layer, performing a selective etch process to remove molybdenum oxide from a surface of the metal layer, the selective etch process comprising soaking the semiconductor structure in a precursor including molybdenum chloride (MoCl5, MoCl6) at a temperature of between 250° C. and 350° C., and performing a post-treatment process to remove chlorine residues and by-products of the selective etch process on the surface of the semiconductor structure.Type: ApplicationFiled: June 16, 2023Publication date: December 19, 2024Inventors: Shiyu YUE, Jiajie CEN, Sahil Jaykumar PATEL, Zhimin QI, Ju Hyun OH, Aixi ZHANG, Xingyao GAO, Wei LEI, Yi XU, Yu LEI, Tsung-Han YANG, Xiaodong WANG, Xiangjin XIE, Yixiong YANG, Kevin KASHEFI, Rongjun WANG
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Publication number: 20240395614Abstract: A method of metal gapfill including depositing a metal layer on a dielectric layer present on a field and/or in an opening of a feature via plasma enhanced atomic layer deposition utilizing a metal halide precursor and a plasma comprising hydrogen and a noble gas; and depositing a metal gapfill material on the field and in the opening directly over the metal layer, wherein the metal gapfill material completely fills the opening.Type: ApplicationFiled: May 26, 2023Publication date: November 28, 2024Applicants: TOYOTA RESEARCH INSTITUTE, INC., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yi XU, Yu LEI, Aixi ZHANG, Bingqian LIU, Zhimin QI, Wei LEI, Rongjun WANG
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Publication number: 20240371771Abstract: Embodiments of the disclosure include an apparatus and method of forming a semiconductor structure that includes metal contacts with a low resistance. In some embodiments, the semiconductor device generally includes an interconnect. The interconnect generally includes a dielectric layer with a tungsten (W) plug formed therein, a feature formed in the dielectric layer and over the W plug, a liner layer formed on an exposed surface of the W plug and on sidewalls of the feature, an interruption layer formed on the liner layer, and a conductive material substantially filling the feature. The liner layer includes molybdenum (Mo) or W, and the interruption layer includes Mo.Type: ApplicationFiled: January 26, 2024Publication date: November 7, 2024Inventors: Sahil Jaykumar PATEL, Wei LEI, Tuerxun AILIHUMAER, Joung Joo LEE, Rongjun WANG, Xianmin TANG
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Publication number: 20240355673Abstract: Semiconductor devices and methods for molybdenum fill in semiconductor devices are provided. In one aspect, a method for processing a semiconductor device substrate is provided. The method includes exposing at least one feature formed in a dielectric layer to a grain modification layer deposition process to deposit a grain modification layer over at least a portion of the at least one feature. The at least one feature is defined by sidewall surfaces formed in the dielectric layer and a bottom surface extending between the sidewall surfaces. The method further includes exposing the at least one feature to a molybdenum deposition process to form a molybdenum-fill layer on the grain modification layer, wherein the grain modification layer comprises a metal different from molybdenum.Type: ApplicationFiled: April 20, 2023Publication date: October 24, 2024Inventors: Wei LEI, Sahil PATEL, Yixiong YANG, Yu LEI, Shiyu YUE, Yi XU, Tuerxun AILIHUMAER, Juhyun OH, Xianmin TANG, Rongjun WANG
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Patent number: 12112890Abstract: Magnet assemblies comprising a housing with a top plate each comprising aligned openings are described. The housing has a bottom ring and an annular wall with a plurality of openings formed in the bottom ring. The top plate is on the housing and has a plurality of openings aligned with the plurality of openings in the bottom ring of the housing. The magnet assembly may also include a non-conducting base plate and/or a conductive cover plate. Methods for using the magnet assembly and magnetic field tuning are also described.Type: GrantFiled: September 17, 2021Date of Patent: October 8, 2024Assignee: Applied Materials, Inc.Inventors: Borui Xia, Anthony Chih-Tung Chan, Shiyu Yue, Wei Lei, Aravind Miyar Kamath, Mukund Sundararajan, Rongjun Wang, Adolph Miller Allen
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Patent number: 12085090Abstract: An air blower, including a volute, a centrifugal wind wheel, and a motor. The volute includes an end plate, a side plate extending from an edge of the end plate, and a cavity formed by the end plate and the side plate; the centrifugal wind wheel is disposed in the cavity; the end plate includes an air inlet, and two ends of the side plate are disposed side by side to form an air outlet; the end plate further includes a support beam opposite to the air inlet, and the motor is disposed on the support beam.Type: GrantFiled: November 3, 2021Date of Patent: September 10, 2024Assignee: ZHONGSHAN BROAD-OCEAN MOTOR CO., LTD.Inventors: Hongyu Jia, Huijun Zhan, Shaner Zhang, Xuanfeng Wen, Wei Lei
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DIFFERENTIAL PRESSURE SLIDING SLEEVE, AND OIL AND GAS WELL FRACTURING CONSTRUCTION METHOD USING SAME
Publication number: 20240218773Abstract: A differential-pressure sliding sleeve has an outer cylinder with a flow guiding hole being provided in a wall of the outer cylinder, an inner cylinder arranged in an inner cavity of the outer cylinder, an upper joint extending into the outer cylinder and fixedly connected to an upper end of the outer cylinder, a lower joint extending into the outer cylinder and fixedly connected to a lower end of the outer cylinder, and a dissolvable carrier ring arranged between the lower joint and the inner cylinder. An area of the axial upper end surface of the inner cylinder is greater than that of an axial lower end surface thereof, so that the working fluid generates a pressure difference to provide downward pressure for the inner cylinder, which moves downward under the pressure after the carrier ring is dissolved to open the flow guiding hole.Type: ApplicationFiled: June 10, 2021Publication date: July 4, 2024Inventors: Shunqu HU, Yongmao LIN, Wei ZHAO, Wei LEI, Zhi XIE, Zhimin HOU, Chen CHEN, Qiang WANG, Dan HU, Jingyu CUI -
Publication number: 20240194527Abstract: Methods and apparatus for processing a substrate are provided. In some embodiments, a method includes depositing an amorphous interlayer atop a first layer on a substrate, wherein the first layer is a metal-containing layer, and depositing a metal layer atop the amorphous interlayer.Type: ApplicationFiled: May 16, 2023Publication date: June 13, 2024Inventors: Sahil Jaykumar PATEL, Xianyuan ZHAO, Wei LEI, Aixi ZHANG, Yi XU, Yu LEI
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Publication number: 20240186442Abstract: A ? ray detector structure based on a p-i-n junction of perovskite and a calibration method are provided. An ultrathick intrinsic perovskite crystal grows by utilizing temperature inversion solution crystallization as a ? ray photon absorber, a p-type perovskite epitaxial layer grows on one side of the intrinsic perovskite crystal by adopting an epitaxial doping growing method, a n-type perovskite epitaxial layer grows on the other side, a dark state current and noise are inhibited by utilizing the p-i-n junction of perovskite, and a large-sized perovskite crystal is used to absorb and convert more ? photons. Detected signals at a cathode terminal and an anode terminal are measured simultaneously. The longitudinal interaction depths of the ? photons are calibrated according to the ratio of the two signals, and then detection events at the same depth are classified and counted respectively.Type: ApplicationFiled: October 12, 2022Publication date: June 6, 2024Applicant: SUZHOU YIXIAN ELECTRONIC TECHNOLOGY CO., LTD.Inventors: Wei LEI, Jianming ZHOU, Ying ZHU
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Publication number: 20240145300Abstract: Methods and apparatus for processing a substrate are provided. In some embodiments, a method includes: depositing a metal buffer layer on a substrate and within a feature disposed in a dielectric layer of the substrate. The buffer layer is deposited using a first physical vapor deposition (PVD) process at a chamber pressure of less than 500 mTorr while applying less than or equal to 0.08 watts/cm2 of RF bias power to the substrate if the chamber pressure is less than or equal to 3 mTorr and applying less than or equal to 0.8 watts/cm2 of RF bias power to the substrate if the chamber pressure is greater than 3 mTorr. A metal liner layer is deposited atop the buffer layer using a second PVD process at a chamber pressure of less than or equal to 3 mTorr while applying greater than 0.08 watts/cm2 of RF bias power to the substrate.Type: ApplicationFiled: October 31, 2022Publication date: May 2, 2024Inventors: Sahil PATEL, Wei LEI, Xingyao GAO, Shirish A. PETHE, Yu LEI
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Publication number: 20240087955Abstract: A method and apparatus for forming tungsten features in semiconductor devices is provided. The method includes exposing a top opening of a feature formed in a substrate to a physical vapor deposition (PVD) process to deposit a tungsten liner layer within the feature. The PVD process is performed in a first processing region of a first processing chamber and the tungsten liner layer forms an overhang portion, which partially obstructs the top opening of the feature. The substrate is transferred from the first processing region of the first processing chamber to a second processing region of a second processing chamber without breaking vacuum. The overhang portion is exposed to nitrogen-containing radicals in the second processing region to inhibit subsequent growth of tungsten along the overhang portion. The feature is exposed to a tungsten-containing precursor gas to form a tungsten fill layer over the tungsten liner layer within the feature.Type: ApplicationFiled: September 1, 2023Publication date: March 14, 2024Inventors: Yi XU, Xianyuan ZHAO, Zhimin QI, Aixi ZHANG, Geraldine VASQUEZ, Dien-Yeh WU, Wei LEI, Xingyao GAO, Shirish PETHE, Wenting HOU, Chao DU, Tsung-Han YANG, Kyoung-Ho BU, Chen-Han LIN, Jallepally RAVI, Yu LEI, Rongjun WANG, Xianmin TANG
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Publication number: 20240088071Abstract: Methods for reducing resistivity of metal gapfill include depositing a conformal layer in an opening of a feature and on a field of a substrate with a first thickness of the conformal layer of approximately 10 microns or less, depositing a non-conformal metal layer directly on the conformal layer at a bottom of the opening and directly on the field using an anisotropic deposition process. A second thickness of the non-conformal metal layer on the field and on the bottom of the feature is approximately 30 microns or greater. And depositing a metal gapfill material in the opening of the feature and on the field where the metal gapfill material completely fills the opening without any voids.Type: ApplicationFiled: September 14, 2022Publication date: March 14, 2024Inventors: Yi XU, Yu LEI, Zhimin QI, Aixi ZHANG, Xianyuan ZHAO, Wei LEI, Xingyao GAO, Shirish A. PETHE, Tao HUANG, Xiang CHANG, Patrick Po-Chun LI, Geraldine VASQUEZ, Dien-yeh WU, Rongjun WANG