Patents by Inventor Chung-Han Wu
Chung-Han Wu 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: 20240363424Abstract: Semiconductor devices and methods of manufacturing semiconductor devices with differing threshold voltages are provided. In embodiments the threshold voltages of individual semiconductor devices are tuned through the removal and placement of differing materials within each of the individual gate stacks within a replacement gate process, whereby the removal and placement helps keep the overall process window for a fill material large enough to allow for a complete fill.Type: ApplicationFiled: July 11, 2024Publication date: October 31, 2024Inventors: Chung-Chiang Wu, Hsin-Han Tsai, Wei-Chin Lee, Chia-Ching Lee, Hung-Chin Chung, Cheng-Lung Hung, Da-Yuan Lee
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Publication number: 20240339396Abstract: Interconnect structures and methods of forming the same are provided. An interconnect structure according to the present disclosure includes a conductive line feature over a substrate, a conductive etch stop layer over the conductive line feature, a contact via over the conductive etch stop layer, and a barrier layer disposed along a sidewall of the conductive line feature, a sidewall of the conductive etch stop layer, and a sidewall of the contact via.Type: ApplicationFiled: June 17, 2024Publication date: October 10, 2024Inventors: Chieh-Han Wu, Cheng-Hsiung Tsai, Chih Wei Lu, Chung-Ju Lee
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Patent number: 12094554Abstract: A memory device, a failure bits detector, and a failure bits detection method thereof are provided. The failure bits detector includes a current generator, a current mirror, and a comparator. The current generator generates a first current according to a reference code. The current mirror mirrors the first current to generate a second current at a second end of the current mirror. The comparator compares a first voltage at a first input end with a second voltage at a second input end to generate a detection result.Type: GrantFiled: October 5, 2022Date of Patent: September 17, 2024Assignee: MACRONIX International Co., Ltds.Inventors: Chung-Han Wu, Che-Wei Liang, Chih-He Chiang, Shang-Chi Yang
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Patent number: 12087637Abstract: Semiconductor devices and methods of manufacturing semiconductor devices with differing threshold voltages are provided. In embodiments the threshold voltages of individual semiconductor devices are tuned through the removal and placement of differing materials within each of the individual gate stacks within a replacement gate process, whereby the removal and placement helps keep the overall process window for a fill material large enough to allow for a complete fill.Type: GrantFiled: December 14, 2020Date of Patent: September 10, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Chung-Chiang Wu, Hsin-Han Tsai, Wei-Chin Lee, Chia-Ching Lee, Hung-Chin Chung, Cheng-Lung Hung, Da-Yuan Lee
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Patent number: 12046551Abstract: Interconnect structures and methods of forming the same are provided. An interconnect structure according to the present disclosure includes a conductive line feature over a substrate, a conductive etch stop layer over the conductive line feature, a contact via over the conductive etch stop layer, and a barrier layer disposed along a sidewall of the conductive line feature, a sidewall of the conductive etch stop layer, and a sidewall of the contact via.Type: GrantFiled: April 17, 2023Date of Patent: July 23, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Chieh-Han Wu, Cheng-Hsiung Tsai, Chih Wei Lu, Chung-Ju Lee
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Publication number: 20240237953Abstract: Disclosed is a method for collecting and presenting physiological signal data and location information, comprising: receiving physiological signal data; providing a first user interface to receive a first user input, the first user interface including a first representation of human body or a part thereof, and the first user input including a first location of the first representation; converting the first location to a first location information according to a predetermined first mapping relationship; storing the physiological signal data in association with an identification of the first location information; and in response to a request, providing a second user interface, the second user interface including a selection function, which provides a second representation corresponding to the first representation, wherein when a second location in the second representation corresponding to the first location information is selected, the second user interface presents the physiological signal data.Type: ApplicationFiled: October 12, 2022Publication date: July 18, 2024Applicant: SyncVision Technology CorporationInventors: Kuan Hsien CHEN, Chia Hung WU, Chung Han LIU
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Patent number: 12040235Abstract: A dummy gate electrode and a dummy gate dielectric are removed to form a recess between adjacent gate spacers. A gate dielectric is deposited in the recess, and a barrier layer is deposited over the gate dielectric. A first work function layer is deposited over the barrier layer. A first anti-reaction layer is formed over the first work function layer, the first anti-reaction layer reducing oxidation of the first work function layer. A fill material is deposited over the first anti-reaction layer.Type: GrantFiled: July 21, 2022Date of Patent: July 16, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Chia-Ching Lee, Hsin-Han Tsai, Shih-Hang Chiu, Tsung-Ta Tang, Chung-Chiang Wu, Hung-Chin Chung, Hsien-Ming Lee, Da-Yuan Lee, Jian-Hao Chen, Chien-Hao Chen, Kuo-Feng Yu, Chia-Wei Chen, Chih-Yu Hsu
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Publication number: 20240120018Abstract: A memory device, a failure bits detector, and a failure bits detection method thereof are provided. The failure bits detector includes a current generator, a current mirror, and a comparator. The current generator generates a first current according to a reference code. The current mirror mirrors the first current to generate a second current at a second end of the current mirror. The comparator compares a first voltage at a first input end with a second voltage at a second input end to generate a detection result.Type: ApplicationFiled: October 5, 2022Publication date: April 11, 2024Applicant: MACRONIX International Co., Ltd.Inventors: Chung-Han Wu, Che-Wei Liang, Chih-He Chiang, Shang-Chi Yang
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Patent number: 11711980Abstract: A fluid actuator includes an actuating portion, a piezoelectric unit, a conduction unit, and a levelness regulating portion. The actuating portion includes a first actuating area, a second actuating area, and at least one connecting section between the two actuating areas. The piezoelectric unit includes a first signal area and a second signal area. The two signal areas are provided in the same plane and are isolated from each other by an isolating portion. The piezoelectric unit corresponds in position to the first actuating area of the actuating portion. The conduction unit includes a first electrode and a second electrode. The first signal area of the piezoelectric unit is electrically connected to the first electrode, and the second signal area of the piezoelectric unit to the second electrode. The levelness regulating portion, the piezoelectric unit, and the conduction unit are located on the same side of the actuating portion.Type: GrantFiled: November 4, 2020Date of Patent: July 25, 2023Assignee: KOGE MICRO TECH CO., LTD.Inventors: Chung-Han Wu, Hsin-Cheng Wang
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Patent number: 11585337Abstract: A fluid driving device includes a vibration unit, a signal transmission layer, a piezoelectric element, and a plane unit. The signal transmission layer includes a first conductive zone and a second conductive zone. The piezoelectric element includes a first electrode and a second electrode electrically isolated from each other. The first electrode of the piezoelectric element is electrically connected to the first conductive zone of the signal transmission layer, and the second electrode of the piezoelectric element is electrically connected to the second conductive zone of the signal transmission layer. The plane unit has at least one hole. The signal transmission layer, the piezoelectric element, and the plane unit are located at one side of the vibration unit and sequentially stacked with each other.Type: GrantFiled: November 15, 2021Date of Patent: February 21, 2023Assignee: KOGE MICRO TECH CO., LTD.Inventors: Chung-Han Wu, Jun-Yan Huang, Hsin-Cheng Wang
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Patent number: 11549501Abstract: A fluid driving system includes a vibration unit, a piezoelectric element, a signal transmission layer, a plane unit, and a protrusion. The piezoelectric element includes a first electrode and a second electrode electrically isolated from each other. The signal transmission layer includes a first conductive zone and a second conductive zone. The first electrode of the piezoelectric element is electrically connected to the first conductive zone of the signal transmission layer, and the second electrode of the piezoelectric element is electrically connected to the second conductive zone of the signal transmission layer. The plane unit has at least one hole. The piezoelectric element, the signal transmission layer, and the plane unit are located at one side of the vibration unit. The protrusion is located between the vibration unit and the plane unit, and the protrusion corresponds to and protrudes toward the at least one hole.Type: GrantFiled: August 13, 2019Date of Patent: January 10, 2023Assignee: KOGE MICRO TECH CO., LTD.Inventors: Chung-Han Wu, Jun-Yan Huang, Hsin-Cheng Wang
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Publication number: 20220406987Abstract: An actuating device includes an actuator and a stationary portion. The actuator has at least one driving portion. The stationary portion is provided at an arbitrary position along the actuator such that the driving portion forms a first driving portion and a second driving portion. The first driving portion and the second driving portion can be provided with the same actuating ability or with different actuating abilities respectively by adjusting the position of the stationary portion.Type: ApplicationFiled: January 12, 2022Publication date: December 22, 2022Inventor: Chung-Han WU
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Patent number: 11441553Abstract: A piezoelectric driving device includes a vibration unit, a piezoelectric element, a signal transmission layer, and a plane unit. The piezoelectric element includes a first electrode and a second electrode electrically isolated from each other. The signal transmission layer includes a first conductive zone and a second conductive zone. The first electrode of the piezoelectric element is electrically connected to the first conductive zone of the signal transmission layer, and the second electrode of the piezoelectric element is electrically connected to the second conductive zone of the signal transmission layer. The plane unit has at least one hole. The piezoelectric element, the signal transmission layer, and the plane unit are located at one side of the vibration unit and are sequentially stacked together.Type: GrantFiled: August 8, 2019Date of Patent: September 13, 2022Assignee: KOGE MICRO TECH CO., LTD.Inventors: Chung-Han Wu, Jun-Yan Huang, Hsin-Cheng Wang
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Publication number: 20220074403Abstract: A fluid driving device includes a vibration unit, a signal transmission layer, a piezoelectric element, and a plane unit. The signal transmission layer includes a first conductive zone and a second conductive zone. The piezoelectric element includes a first electrode and a second electrode electrically isolated from each other. The first electrode of the piezoelectric element is electrically connected to the first conductive zone of the signal transmission layer, and the second electrode of the piezoelectric element is electrically connected to the second conductive zone of the signal transmission layer. The plane unit has at least one hole. The signal transmission layer, the piezoelectric element, and the plane unit are located at one side of the vibration unit and sequentially stacked with each other.Type: ApplicationFiled: November 15, 2021Publication date: March 10, 2022Inventors: Chung-Han WU, Jun-Yan Huang, Hsin-Cheng WANG
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Patent number: 11248597Abstract: A fluid driving device includes a vibration unit, a signal transmission layer, a piezoelectric element, and a plane unit. The signal transmission layer includes a first conductive zone and a second conductive zone. The piezoelectric element includes a first electrode and a second electrode electrically isolated from each other. The first electrode of the piezoelectric element is electrically connected to the first conductive zone of the signal transmission layer, and the second electrode of the piezoelectric element is electrically connected to the second conductive zone of the signal transmission layer. The plane unit has at least one hole. The signal transmission layer, the piezoelectric element, and the plane unit are located at one side of the vibration unit and sequentially stacked with each other.Type: GrantFiled: August 8, 2019Date of Patent: February 15, 2022Assignee: KOGE MICRO TECH CO., LTD.Inventors: Chung-Han Wu, Jun-Yan Huang, Hsin-Cheng Wang
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Publication number: 20210280769Abstract: An actuator includes an actuating portion, a piezoelectric unit, a conduction unit, and a levelness regulating portion. The actuating portion includes a first actuating area, a second actuating area, and at least one connecting section between the two actuating areas. The piezoelectric unit includes a first signal area and a second signal area. The two signal areas are provided in the same plane and are isolated from each other by an isolating portion. The piezoelectric unit corresponds in position to the first actuating area of the actuating portion. The conduction unit includes a first electrode and a second electrode. The first signal area of the piezoelectric unit is electrically connected to the first electrode, and the second signal area of the piezoelectric unit to the second electrode. The levelness regulating portion, the piezoelectric unit, and the conduction unit are located on the same side of the actuating portion.Type: ApplicationFiled: November 4, 2020Publication date: September 9, 2021Inventors: Chung-Han WU, Hsin-Cheng WANG
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Publication number: 20200052187Abstract: A fluid driving system includes a vibration unit, a piezoelectric element, a signal transmission layer, a plane unit, and a protrusion. The piezoelectric element includes a first electrode and a second electrode electrically isolated from each other. The signal transmission layer includes a first conductive zone and a second conductive zone. The first electrode of the piezoelectric element is electrically connected to the first conductive zone of the signal transmission layer, and the second electrode of the piezoelectric element is electrically connected to the second conductive zone of the signal transmission layer. The plane unit has at least one hole. The piezoelectric element, the signal transmission layer, and the plane unit are located at one side of the vibration unit. The protrusion is located between the vibration unit and the plane unit, and the protrusion corresponds to and protrudes toward the at least one hole.Type: ApplicationFiled: August 13, 2019Publication date: February 13, 2020Applicant: Koge Micro Tech Co., Ltd.Inventors: Chung-Han Wu, Jun-Yan Huang, Hsin-Cheng Wang
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Publication number: 20200049139Abstract: A fluid driving device includes a vibration unit, a signal transmission layer, a piezoelectric element, and a plane unit. The signal transmission layer includes a first conductive zone and a second conductive zone. The piezoelectric element includes a first electrode and a second electrode electrically isolated from each other. The first electrode of the piezoelectric element is electrically connected to the first conductive zone of the signal transmission layer, and the second electrode of the piezoelectric element is electrically connected to the second conductive zone of the signal transmission layer. The plane unit has at least one hole. The signal transmission layer, the piezoelectric element, and the plane unit are located at one side of the vibration unit and sequentially stacked with each other.Type: ApplicationFiled: August 8, 2019Publication date: February 13, 2020Applicant: Koge Micro Tech Co., Ltd.Inventors: Chung-Han Wu, Jun-Yan Huang, Hsin-Cheng Wang
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Publication number: 20200052186Abstract: A piezoelectric driving device includes a vibration unit, a piezoelectric element, a signal transmission layer, and a plane unit. The piezoelectric element includes a first electrode and a second electrode electrically isolated from each other. The signal transmission layer includes a first conductive zone and a second conductive zone. The first electrode of the piezoelectric element is electrically connected to the first conductive zone of the signal transmission layer, and the second electrode of the piezoelectric element is electrically connected to the second conductive zone of the signal transmission layer. The plane unit has at least one hole. The piezoelectric element, the signal transmission layer, and the plane unit are located at one side of the vibration unit and are sequentially stacked together.Type: ApplicationFiled: August 8, 2019Publication date: February 13, 2020Applicant: Koge Micro Tech Co., Ltd.Inventors: Chung-Han Wu, Jun-Yan Huang, Hsin-Cheng Wang
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Patent number: 10393109Abstract: A piezoelectric pump includes a piezoelectric element, a vibrating piece, a valve and a flow guiding member. The vibrating piece has a central zone attached to the piezoelectric element, a peripheral zone, a first recess, a stopper and a position limiting wall both protruding from the first recess, and a through groove disposed between the central zone and the peripheral zone and connected through the first recess. The valve is attached to the peripheral zone and has a non-straight through slit. The flow guiding member is attached to the valve and has a second recess and a channel both recessed in the flow guiding member, and a through hole. The channel is connected through the second recess and the through hole. A projection of the second recess projected on the plane which the valve exists covers the non-straight through slit. An operating method of a piezoelectric pump is further provided.Type: GrantFiled: September 16, 2015Date of Patent: August 27, 2019Assignee: Koge Micro Tech Co., Ltd.Inventors: Chung-Han Wu, Yu-Chang Yen