Patents by Inventor Zhi Hao
Zhi Hao 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: 20230110060Abstract: A long-effect self-cleaning negative-pressure ejector at least comprises a suction chamber, a jet pipe and a flushing member. A side wall of the suction chamber has at least one suction port for communicating with a first fluid pipeline. An exit port of the jet pipe is disposed in the suction chamber and ejects a second fluid so that a negative pressure is generated in the suction chamber, a first fluid in the first fluid pipeline obliquely enters the suction chamber, and a first included angle is between a direction in which the first fluid being sucked into the suction chamber and an ejection direction of the second fluid. The flushing member optionally provides a third fluid to flush the suction chamber and/or the first fluid pipeline. At least one air jet nozzle is disposed on the first fluid pipeline to inject gas into the first fluid pipeline.Type: ApplicationFiled: October 8, 2021Publication date: April 13, 2023Applicant: HIGHLIGHT TECH CORP.Inventors: ZHI-HAO CHEN, TING TSAI, WEN-HSIEN CHEN
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Patent number: 11615946Abstract: Devices and methods for controlling wafer uniformity using a gas baffle plate are disclosed. In one example, a device for plasma-based processes is disclosed. The device includes: a housing defining a process chamber and a baffle plate arranged above a wafer in the process chamber. The baffle plate is configured to control plasma distribution on the wafer. The baffle plate has a shape of an annulus that comprises a first annulus sector and a second annulus sector. The first annulus sector has a first inner radius. The second annulus sector has a second inner radius that is different from the first inner radius.Type: GrantFiled: May 24, 2019Date of Patent: March 28, 2023Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Jr-Sheng Chen, An-Chi Li, Shih-Che Huang, Chih-Hsien Hsu, Zhi-Hao Huang, Alex Wang, Yu-Pei Chiang, Chun Yan Chen
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Patent number: 11604473Abstract: A dynamic velocity planning method for an autonomous vehicle is performed to plan a best velocity curve of the autonomous vehicle. An information storing step is performed to store an obstacle information, a road information and a vehicle information. An acceleration limit calculating step is performed to calculate the vehicle information according to a calculating procedure to generate an acceleration limit value range. An acceleration combination generating step is performed to generate a plurality of acceleration combinations according to the obstacle information, the road information, and the acceleration limit value range. An acceleration filtering step is performed to filter the acceleration combinations according to a jerk threshold and a jerk switching frequency threshold to obtain a selected acceleration combination. An acceleration smoothing step is performed to execute a driving behavior procedure to adjust the selected acceleration combination to generate the best velocity curve.Type: GrantFiled: November 26, 2020Date of Patent: March 14, 2023Assignee: Automotive Research & Testing CenterInventors: Zhi-Hao Zhang, Tsung-Ming Hsu, Bo-Han Lin
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Publication number: 20230064181Abstract: An image sensor includes an image sensor pixel array having pixels. Each pixel includes a continuous active region having a first portion and a second portion extending from the first portion. A photodiode, a reset transistor, a drive transistor, and a select transistor are formed in and over the first portion. The photodiode and the reset transistor define a floating diffusion region therebetween. A switch transistor is formed in and over the second portion and includes a first source/drain region and a second source/drain region. The first source/drain region is included in the floating diffusion region. The second source/drain region interfaces a doped region formed in the second region. The pixel also includes a gate structure disposed directly over the doped region. By controlling the switch transistor, the pixel may operate in a high conversion gain mode or a low conversion gain mode to accommodate different illumination or exposure conditions.Type: ApplicationFiled: August 25, 2021Publication date: March 2, 2023Inventors: Gang Chen, Zhi Hao, Yi Zhang
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Patent number: 11579648Abstract: Disclosed herein are related to an integrated circuit to regulate a supply voltage. In one aspect, the integrated circuit includes a metal rail including a first point, at which a first functional circuit is connected, and a second point, at which a second functional circuit is connected. In one aspect, the integrate circuit includes a voltage regulator coupled between the first point of the metal rail and the second point of the metal rail. In one aspect, the voltage regulator senses a voltage at the second point of the metal rail and adjusts a supply voltage at the first point of the metal rail, according to the sensed voltage at the second point of the metal rail.Type: GrantFiled: November 24, 2021Date of Patent: February 14, 2023Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Haruki Mori, Hidehiro Fujiwara, Zhi-Hao Chang, Yangsyu Lin, Yu-Hao Hsu, Yen-Huei Chen, Hung-Jen Liao, Chiting Cheng
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Patent number: 11543267Abstract: A position sensing mechanism provided by the invention comprises an encoding element as a sensing signal source, a reading element for sensing signals of the signal source, and a processing unit for receiving and analyzing sensing signals output by the reading element, the position sensing mechanism has a main technical feature lying in a magneto-resistive unit in the reading element for sensing signals of the signal source being a tunneling magneto-resistor (TMR), and two layers of magnetic moments of a reference layer and a free layer of the tunneling magneto-resistor being perpendicular to each other, and in the reference layer and the free layer with the magnetic moments being perpendicular to each other, the magnetic moment of one of the layers is parallel to a film surface, and the magnetic moment of the other layer is perpendicular to the film surface.Type: GrantFiled: January 5, 2021Date of Patent: January 3, 2023Assignee: HIWIN MIKROSYSTEM CORP.Inventors: Chih-Huang Lai, Chia-Chang Lee, Zhi-Hao Xu, Heng-Sheng Hsiao
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Publication number: 20220359165Abstract: Devices and methods for controlling wafer uniformity in plasma-based process is disclosed. In one example, a device for plasma-based processes is disclosed. The device includes: a housing defining a process chamber and a gas distribution plate (GDP) arranged in the process chamber. The housing comprises: a gas inlet configured to receive a process gas, and a gas outlet configured to expel processed gas. The GDP is configured to distribute the process gas within the process chamber. The GDP has a plurality of holes evenly distributed thereon. The GDP comprises a first zone and a second zone. The first zone is closer to the gas outlet than the second zone. At least one hole in the first zone is closed.Type: ApplicationFiled: July 26, 2022Publication date: November 10, 2022Inventors: Jr-Sheng CHEN, An-Chi LI, Shi-Che HUANG, Chih-Hsien HSU, Zhi-Hao HUANG, Ming Chih WANG, Yu-Pei CHIANG, Chun Yan CHEN
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Publication number: 20220359168Abstract: Devices and methods for controlling wafer uniformity using a gas baffle plate are disclosed. In one example, a device for plasma-based processes is disclosed. The device includes: a housing defining a process chamber and a baffle plate arranged above a wafer in the process chamber. The baffle plate is configured to control plasma distribution on the wafer. The baffle plate has a shape of an annulus that comprises a first annulus sector and a second annulus sector. The first annulus sector has a first inner radius. The second annulus sector has a second inner radius that is different from the first inner radius.Type: ApplicationFiled: July 26, 2022Publication date: November 10, 2022Inventors: Jr-Sheng CHEN, An-Chi LI, Shih-Che HUANG, Chih-Hsien HSU, Zhi-Hao HUANG, Alex WANG, Yu-Pei CHIANG, Chun Yan Chen
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Publication number: 20220270674Abstract: A memory device includes a plurality of memory cells; a word line, connected to one of the plurality of memory cells, that is configured to provide a first WL pulse having a rising edge and a falling edge that define a pulse width of the first WL pulse; a first tracking WL, formed adjacent to the memory cells, that is configured to provide, via being physically or operatively coupled to a bit line (BL) configured to write a logic state to the memory cell, a second WL pulse having a rising edge with a decreased slope; and a first tracking BL, configured to emulate the BL, that is coupled to the first tracking WL such that the pulse width of the first WL pulse is increased based on the decreased slope of the rising edge of the second WL pulse.Type: ApplicationFiled: May 12, 2022Publication date: August 25, 2022Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Wei-jer Hsieh, Yu-Hao Hsu, Zhi-Hao Chang, Cheng Hung Lee
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Publication number: 20220214192Abstract: A position sensing mechanism provided by the invention comprises an encoding element as a sensing signal source, a reading element for sensing signals of the signal source, and a processing unit for receiving and analyzing sensing signals output by the reading element, the position sensing mechanism has a main technical feature lying in a magneto-resistive unit in the reading element for sensing signals of the signal source being a tunneling magneto-resistor (TMR), and two layers of magnetic moments of a reference layer and a free layer of the tunneling magneto-resistor being perpendicular to each other, and in the reference layer and the free layer with the magnetic moments being perpendicular to each other, the magnetic moment of one of the layers is parallel to a film surface, and the magnetic moment of the other layer is perpendicular to the film surface.Type: ApplicationFiled: January 5, 2021Publication date: July 7, 2022Inventors: Chih-Huang LAI, Chia-Chang LEE, Zhi-Hao XU, Heng-Sheng HSIAO
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Patent number: 11366924Abstract: A block chain-based data query method, performed by a server of a block chain system, is provided. In the method, a data identifier of first data to be queried is obtained according to a query request, the query request including a user identifier of a user that initiates the query request. Data permission information in a target block in a target block chain of the block chain system is obtained according to the data identifier. Based on the data permission information not including the user identifier, a query permission request is transmitted to at least one target server in the block chain system, the query permission request including the user identifier and the data identifier. Based on a received query permission response satisfying a target policy in the data permission information, the first data is obtained from a data storage system according to the data identifier.Type: GrantFiled: June 22, 2020Date of Patent: June 21, 2022Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LTDInventors: Zhi Hao Shang, Hong Fei Zhou
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Patent number: 11355183Abstract: A memory device includes a plurality of memory cells; a word line, connected to one of the plurality of memory cells, that is configured to provide a first WL pulse having a rising edge and a falling edge that define a pulse width of the first WL pulse; a first tracking WL, formed adjacent to the memory cells, that is configured to provide, via being physically or operatively coupled to a bit line (BL) configured to write a logic state to the memory cell, a second WL pulse having a rising edge with a decreased slope; and a first tracking BL, configured to emulate the BL, that is coupled to the first tracking WL such that the pulse width of the first WL pulse is increased based on the decreased slope of the rising edge of the second WL pulse.Type: GrantFiled: August 25, 2020Date of Patent: June 7, 2022Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LIMITEDInventors: Wei-jer Hsieh, Yu-Hao Hsu, Zhi-Hao Chang, Cheng Hung Lee
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Publication number: 20220163973Abstract: A dynamic velocity planning method for an autonomous vehicle is performed to plan a best velocity curve of the autonomous vehicle. An information storing step is performed to store an obstacle information, a road information and a vehicle information. An acceleration limit calculating step is performed to calculate the vehicle information according to a calculating procedure to generate an acceleration limit value range. An acceleration combination generating step is performed to generate a plurality of acceleration combinations according to the obstacle information, the road information, and the acceleration limit value range. An acceleration filtering step is performed to filter the acceleration combinations according to a jerk threshold and a jerk switching frequency threshold to obtain a selected acceleration combination. An acceleration smoothing step is performed to execute a driving behavior procedure to adjust the selected acceleration combination to generate the best velocity curve.Type: ApplicationFiled: November 26, 2020Publication date: May 26, 2022Inventors: Zhi-Hao ZHANG, Tsung-Ming HSU, Bo-Han LIN
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Publication number: 20220121213Abstract: A hybrid planning method in an autonomous vehicle is performed to plan a best trajectory function of a host vehicle. A parameter obtaining step is performed to sense a surrounding scenario of the host vehicle to obtain a parameter group to be learned. A learning-based scenario deciding step is performed to receive the parameter group to be learned and decide one of a plurality of scenario categories that matches the surrounding scenario of the host vehicle according to the parameter group to be learned and a learning-based model. A learning-based parameter optimizing step is performed to execute the learning-based model with the parameter group to be learned to generate a key parameter group. A rule-based trajectory planning step is performed to execute a rule-based model with the one of the scenario categories and the key parameter group to plan the best trajectory function.Type: ApplicationFiled: October 21, 2020Publication date: April 21, 2022Inventors: Tsung-Ming HSU, Yu-Rui CHEN, Cheng-Hsien WANG, Zhi-Hao ZHANG
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Publication number: 20220083089Abstract: Disclosed herein are related to an integrated circuit to regulate a supply voltage. In one aspect, the integrated circuit includes a metal rail including a first point, at which a first functional circuit is connected, and a second point, at which a second functional circuit is connected. In one aspect, the integrate circuit includes a voltage regulator coupled between the first point of the metal rail and the second point of the metal rail. In one aspect, the voltage regulator senses a voltage at the second point of the metal rail and adjusts a supply voltage at the first point of the metal rail, according to the sensed voltage at the second point of the metal rail.Type: ApplicationFiled: November 24, 2021Publication date: March 17, 2022Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Haruki Mori, Hidehiro Fujiwara, Zhi-Hao Chang, Yangsyu Lin, Yu-Hao Hsu, Yen-Huei Chen, Hung-Jen Liao, Chiting Cheng
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Publication number: 20220068372Abstract: A memory device includes a plurality of memory cells; a word line, connected to one of the plurality of memory cells, that is configured to provide a first WL pulse having a rising edge and a falling edge that define a pulse width of the first WL pulse; a first tracking WL, formed adjacent to the memory cells, that is configured to provide, via being physically or operatively coupled to a bit line (BL) configured to write a logic state to the memory cell, a second WL pulse having a rising edge with a decreased slope; and a first tracking BL, configured to emulate the BL, that is coupled to the first tracking WL such that the pulse width of the first WL pulse is increased based on the decreased slope of the rising edge of the second WL pulse.Type: ApplicationFiled: August 25, 2020Publication date: March 3, 2022Inventors: Wei-jer Hsieh, Yu-Hao Hsu, Zhi-Hao Chang, Cheng Hung Lee
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Patent number: 11266037Abstract: A fan module containing a fan is used to cool a computing device or system. The fan module is mounted within a chassis, and contains a housing, a locking body, and lever. The housing of the fan module contains a housing, a locking body, and lever. The housing of the fan module defines a hollow interior that houses the fan. The locking body is coupled to the housing and is moveable between a locked position and an unlocked position. When in the locked position, the locking body extends through a locking aperture in the floor of the chassis. When in the unlocked position, the locking body rises above the locking aperture in the floor of the chassis. Moving the lever from the first position to the second position causes the locking body to move from the locked position to the unlocked position.Type: GrantFiled: June 13, 2019Date of Patent: March 1, 2022Assignee: QUANTA COMPUTER INC.Inventors: Yaw-Tzorng Tsorng, Chun Chang, Zhi-Hao Tseng, Yu-Cheng Chang
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Patent number: 11199866Abstract: Disclosed herein are related to an integrated circuit to regulate a supply voltage. In one aspect, the integrated circuit includes a metal rail including a first point, at which a first functional circuit is connected, and a second point, at which a second functional circuit is connected. In one aspect, the integrate circuit includes a voltage regulator coupled between the first point of the metal rail and the second point of the metal rail. In one aspect, the voltage regulator senses a voltage at the second point of the metal rail and adjusts a supply voltage at the first point of the metal rail, according to the sensed voltage at the second point of the metal rail.Type: GrantFiled: January 29, 2020Date of Patent: December 14, 2021Assignee: Taiwan Semiconductor Manufacturing Company LimitedInventors: Haruki Mori, Hidehiro Fujiwara, Zhi-Hao Chang, Yangsyu Lin, Yu-Hao Hsu, Yen-Huei Chen, Hung-Jen Liao, Chiting Cheng
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Patent number: 11104336Abstract: A method for planning a trajectory for a self-driving vehicle on a road includes: generating multiple target planned trajectory sets based on information concerning the self-driving vehicle; calculating multiple projected moving ranges and multiple projected moving speeds of an obstacle based on information concerning the obstacle, the projected moving ranges corresponding respectively with multiple time points in a driving time period, the projected moving speeds corresponding respectively with the time points; and selecting one of the target planned trajectory sets as an optimal planned trajectory set based on the target planned trajectory sets, the projected moving ranges and the projected moving speeds for the obstacle.Type: GrantFiled: December 26, 2018Date of Patent: August 31, 2021Assignee: AUTOMOTIVE RESEARCH & TESTING CENTERInventors: Bo-Han Lin, Tsung-Ming Hsu, Zhi-Hao Zhang, I-Chun Kuo
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Publication number: 20210232168Abstract: Disclosed herein are related to an integrated circuit to regulate a supply voltage. In one aspect, the integrated circuit includes a metal rail including a first point, at which a first functional circuit is connected, and a second point, at which a second functional circuit is connected. In one aspect, the integrate circuit includes a voltage regulator coupled between the first point of the metal rail and the second point of the metal rail. In one aspect, the voltage regulator senses a voltage at the second point of the metal rail and adjusts a supply voltage at the first point of the metal rail, according to the sensed voltage at the second point of the metal rail.Type: ApplicationFiled: January 29, 2020Publication date: July 29, 2021Inventors: Haruki Mori, Hidehiro Fujiwara, Zhi-Hao Chang, Yangsyu Lin, Yu-Hao Hsu, Yen-Huei Chen, Hung-Jen Liao, Chiting Cheng