Patents by Inventor Min Chang

Min Chang 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: 20240006534
    Abstract: A semiconductor device and method of manufacture are provided which help to support contacts while material is removed to form air gaps. In embodiments a contact is formed with an enlarged base to help support overlying portions of the contact. In other embodiments a scaffold material may also be placed prior to the formation of the air gaps in order to provide additional support.
    Type: Application
    Filed: June 29, 2023
    Publication date: January 4, 2024
    Inventors: Ching-Feng Fu, Guan-Ren Wang, Yun-Min Chang, Yu-Lien Huang
  • Publication number: 20230420222
    Abstract: The present disclosure relates to an integrated chip processing tool. The integrated chip processing tool includes a gas distribution ring configured to extend along a perimeter of a process chamber. The gas distribution ring includes a lower ring extending around the process chamber. The lower ring has a plurality of gas inlets arranged along a bottom surface of the lower ring and a plurality of gas conveyance channels arranged along an upper surface of the lower ring directly over the plurality of gas inlets. The gas distribution ring further includes an upper ring disposed on the upper surface of the lower ring and covering the plurality of gas conveyance channels. A plurality of gas outlets are arranged along opposing ends of the plurality of gas conveyance channels. A plurality of gas conveyance paths extending between the plurality of gas inlets and the plurality of gas outlets have approximately equal lengths.
    Type: Application
    Filed: June 28, 2022
    Publication date: December 28, 2023
    Inventors: Po-Hsiang Wang, Min-Chang Ching, Kuo Liang Lu, Bo-Han Chu
  • Publication number: 20230411496
    Abstract: A semiconductor structure and method of forming a semiconductor structure are provided. In some embodiments, the method includes forming a gate structure over a substrate. An epitaxial source/drain region is formed adjacent to the gate structure. A dielectric layer is formed over the epitaxial source/drain region. An opening is formed, the opening extending through the dielectric layer and exposing the epitaxial source/drain region. Sidewalls of the opening are defined by the dielectric layer and a bottom of the opening is defined by the epitaxial source/drain region. A silicide layer is formed on the epitaxial source/drain region. A metal capping layer including tungsten, molybdenum, or a combination thereof is selectively formed on the silicide layer by a first deposition process. The opening is filled with a first conductive material in a bottom-up manner from the metal capping layer by a second deposition process different from the first deposition process.
    Type: Application
    Filed: May 23, 2022
    Publication date: December 21, 2023
    Inventors: Kan-Ju LIN, Chien CHANG, Chih-Shiun CHOU, Tai Min CHANG, Yi-Ning TAI, Hong-Mao LEE, Yan-Ming TSAI, Wei-Yip LOH, Harry CHIEN, Chih-Wei CHANG, Ming-Hsing TSAI, Lin-Yu HUANG
  • Patent number: 11848233
    Abstract: A method includes the following steps. A seed layer is formed over a structure having at least one semiconductor die. A first patterned photoresist layer is formed over the seed layer, wherein the first patterned photoresist layer includes a first opening exposing a portion of the seed layer. A metallic wiring is formed in the first opening and on the exposed portion of the seed layer. A second patterned photoresist layer is formed on the first patterned photoresist layer and covers the metallic wiring, wherein the second patterned photoresist layer includes a second opening exposing a portion of the metallic wiring. A conductive via is formed in the second opening and on the exposed portion of the metallic wiring. The first patterned photoresist layer and the second patterned photoresist layer are removed. The metallic wiring and the conductive via are laterally wrapped around with an encapsulant.
    Type: Grant
    Filed: March 27, 2022
    Date of Patent: December 19, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Po-Yuan Teng, Bor-Rung Su, De-Yuan Lu, Hao-Yi Tsai, Tin-Hao Kuo, Tzung-Hui Lee, Tai-Min Chang
  • Patent number: 11839907
    Abstract: A method of cleaning wafer-cleaning brushes includes passing a wafer having a first polished main side and an opposing unpolished backside between a pair of substantially cylindrical shaped wafer-cleaning brushes are rotated about an axial direction of the brushes while passing the wafer between the pair of wafer-cleaning brushes. A cleaning solution is applied to the brushes while passing the wafer between the pair of wafer-cleaning brushes. While passing between the pair of brushes, the first polished main side of the wafer faces a first direction, the first direction is an opposite direction to which a polished side of a production wafer faces during a subsequent polished wafer cleaning operation. The substantially cylindrical shaped wafer-cleaning brushes include a plurality of protrusions on an external surface of the brushes, and the brushes contact the wafer at least a portion of time the wafer is passing between the pair of brushes.
    Type: Grant
    Filed: August 15, 2019
    Date of Patent: December 12, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chia-Ling Pai, Yu-Min Chang
  • Publication number: 20230384684
    Abstract: A method for removing a resist layer including the following steps is provided. A patterned resist layer on a material layer is formed. A stripping solution is applied to the patterned resist layer to dissolve the patterned resist layer without dissolving the material layer, wherein the stripping solution comprises a non-dimethyl sulfoxide solvent and an alkaline compound, the non-dimethyl sulfoxide solvent comprises an aprotic solvent and a protic solvent.
    Type: Application
    Filed: July 25, 2023
    Publication date: November 30, 2023
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Hung-Jui Kuo, Hui-Jung Tsai, Tai-Min Chang
  • Publication number: 20230384867
    Abstract: The present invention provides a motion detecting system, which includes a light source module, a plurality of image sensors and a control unit. The light source module illuminates at least one object. The image sensors respectively detect the object under the light emitted by the light source module to generate a plurality of detection results. The control unit is coupled to the image sensors, and generates a control command according to the detection results.
    Type: Application
    Filed: August 15, 2023
    Publication date: November 30, 2023
    Inventors: TING-YANG CHANG, YEN-MIN CHANG, NIEN-TSE CHEN
  • Publication number: 20230389172
    Abstract: Provided is a manufacturing method of circuit board, including a first substrate, a second substrate, a third substrate, a fourth substrate, multiple conductive structures, and a conductive via structure. The third substrate has an opening and includes a first dielectric layer. The opening penetrates the third substrate, and the first dielectric layer fills the opening. Multiple conductive structures are formed so that the first substrate, the second substrate, the third substrate, and the fourth substrate are electrically connected through the conductive structures to define a ground path. A conductive via structure is formed to penetrate the first substrate, the second substrate, the first dielectric layer of the third substrate, and the fourth substrate. The conductive via structure is electrically connected to the first substrate and the fourth substrate to define a signal path, and the ground path surrounds the signal path.
    Type: Application
    Filed: August 9, 2023
    Publication date: November 30, 2023
    Applicant: Unimicron Technology Corp.
    Inventors: Chih-Chiang Lu, Heng-Ming Nien, Ching-Sheng Chen, Ching Chang, Ming-Ting Chang, Chi-Min Chang, Shao-Chien Lee, Jun-Rui Huang, Shih-Lian Cheng
  • Patent number: 11829314
    Abstract: A charging system includes a source terminal and a sink terminal. The control method of the charging system includes transmitting a bus voltage by the source terminal, determining whether the sink terminal has entered a sink attached state when the sink terminal receives the bus voltage, enabling a message transceiver of the sink terminal if the sink terminal has entered the sink attached state, transmitting a source message to the transceiver of the sink terminal by the source terminal, transmitting a request message to the source terminal by the message transceiver of the sink terminal while the source terminal transmits the source message, and continuing to enable a communication function for communicating with the sink terminal and continuing to transmit the bus voltage to the sink terminal by the source terminal when the source terminal receives the request message.
    Type: Grant
    Filed: July 18, 2022
    Date of Patent: November 28, 2023
    Assignee: RICHTEK TECHNOLOGY CORP.
    Inventors: Tzu-Hsuan Tseng, Tzu-Hsien Chuang, Sheng-Chun Lin, Hao-Chun Yang, Chien-Chih Huang, Heng-Min Chang, Tsung-Jung Wu, Yen-Tung Hung
  • Patent number: 11823969
    Abstract: A package includes a device die, an encapsulant encapsulating the device die therein, a first plurality of through-vias penetrating through the encapsulant, a second plurality of through-vias penetrating through the encapsulant, and redistribution lines over and electrically coupling to the first plurality of through-vias. The first plurality of through-vias include an array. The second plurality of through-vias are outside of the first array, and the second plurality of through-vias are larger than the first plurality of through-vias.
    Type: Grant
    Filed: June 30, 2022
    Date of Patent: November 21, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Hung-Jui Kuo, Tai-Min Chang, Hui-Jung Tsai, De-Yuan Lu, Ming-Tan Lee
  • Publication number: 20230367859
    Abstract: A virtual reality system including an image viewing device and a wearable accessary is provided. The image viewing device detects a biometric characteristic to identify a user ID according to the biometric characteristic, outputs an ID signal associated with the identified user ID and shows video stream associated with the identified user ID. The wearable accessary detects an attached status and movement of the wearable accessary after receiving the ID signal, and sends a control signal to the image viewing device to change image content in the video stream according to the detected movement of the wearable accessary when the attached status indicates continuous wearing.
    Type: Application
    Filed: July 14, 2023
    Publication date: November 16, 2023
    Inventor: YEN-MIN CHANG
  • Publication number: 20230369009
    Abstract: A plasma flood gun includes a filament to emit first electrons based on a first filament current induced in the filament to heat the filament to a first temperature at a first time. The first electrons interact with an inert gas in an arc plasma chamber to generate a first plasma. A filament resistance meter measures a first filament resistance of the filament, in-situ, during generation of the first plasma. A filament current source adjusts, based on the first filament resistance, the first filament current induced in the filament at the first time to a second filament current induced in the filament at a second time to generate a second plasma in the arc plasma chamber at the second time.
    Type: Application
    Filed: May 12, 2022
    Publication date: November 16, 2023
    Inventors: Kai-Yun Yang, Chen Chi Wu, Ching I Li, Min-Chang Ching, Hung-Ta Huang
  • Publication number: 20230369153
    Abstract: A package includes a device die, an encapsulant encapsulating the device die therein, a first plurality of through-vias penetrating through the encapsulant, a second plurality of through-vias penetrating through the encapsulant, and redistribution lines over and electrically coupling to the first plurality of through-vias. The first plurality of through-vias include an array. The second plurality of through-vias are outside of the first array, and the second plurality of through-vias are larger than the first plurality of through-vias.
    Type: Application
    Filed: July 28, 2023
    Publication date: November 16, 2023
    Inventors: Hung-Jui Kuo, Tai-Min Chang, Hui-Jung Tsai, De-Yuan Lu, Ming-Tan Lee
  • Publication number: 20230355903
    Abstract: A respiratory ventilation apparatus configured to deliver a respiratory gas to a patient interface is provided. The apparatus may include a gas pressurization unit configured to generate a pressurized respiratory gas, a gas inlet port configured to introduce the respiratory gas into the respiratory ventilation apparatus, a gas outlet port configured to discharge the pressurized respiratory gas to a respiration tube, a detection module configured to detect the pressure of the pressurized respiratory gas, at least one non-volatile memory configured to store a plurality of parameters and a plurality of programs, and one or more controllers. The one or more controllers may be configured to initiate the respiratory ventilation apparatus upon a boot operation, and/or initiate a program that constantly reads information from the detection module, and controls the pressure of the pressurized respiratory gas using the information read from the detection module and at least one parameter.
    Type: Application
    Filed: July 18, 2023
    Publication date: November 9, 2023
    Applicant: BMC MEDICAL CO., LTD.
    Inventors: Lijun LIU, Jianxin ZHI, Zhi ZHUANG, Min CHANG
  • Patent number: 11811205
    Abstract: A switch and socket cover structure includes a light transmitting cover, an LED light panel, a carrying board and a light control switch component. The light transmitting cover has a first opening, a light emitting area on a side of the first opening, and a light sensing area on a side of the first opening. The LED light panel is installed to the bottom of the light transmitting cover and corresponsive to the light emitting area, the carrying board is installed to the bottom of the light transmitting cover and has a second opening corresponding to the first opening, and an accommodating slot corresponding to the light sensing area. The light control switch component is installed in the accommodating slot and provided for the light sensing area to detect ambient light, and the light control switch component is electrically connected to the LED light panel.
    Type: Grant
    Filed: January 4, 2022
    Date of Patent: November 7, 2023
    Inventor: Min-Chang Lan
  • Publication number: 20230352442
    Abstract: A method includes encapsulating a device in an encapsulating material, planarizing the encapsulating material and the device, and forming a conductive feature over the encapsulating material and the device. The formation of the conductive feature includes depositing a first conductive material to from a first seed layer, depositing a second conductive material different from the first conductive material over the first seed layer to form a second seed layer, plating a metal region over the second seed layer, performing a first etching on the second seed layer, performing a second etching on the first seed layer, and after the first seed layer is etched, performing a third etching on the second seed layer and the metal region.
    Type: Application
    Filed: July 10, 2023
    Publication date: November 2, 2023
    Inventors: Hui-Jung Tsai, Yun Chen Hsieh, Jyun-Siang Peng, Tai Min Chang, Yi-Yang Lei, Hung-Jui Kuo, Chen-Hua Yu
  • Patent number: 11799699
    Abstract: The present disclosure is related to an optical encoder which is configured to provide precise coding reference data by feature recognition technology. To apply the present disclosure, it is not necessary to provide particular dense patterns on a working surface. The precise coding reference data can be generated by detecting surface features of the working surface.
    Type: Grant
    Filed: December 15, 2022
    Date of Patent: October 24, 2023
    Assignee: PIXART IMAGING INC.
    Inventors: Wai-Lian Teo, Yen-Min Chang
  • Patent number: 11796840
    Abstract: An electrically controlled polarization rotator is disclosed. The electrically controlled polarization rotator includes two substrates and a liquid crystal layer located between the two substrates. The two substrates have a homogeneous alignment and a homeotropic alignment respectively. A distance between the two substrates is a liquid crystal thickness. A switching electric field which is adjustable is provided between the two substrates. A polarized light is incident on the substrate having the homogeneous alignment. A polarization direction of the polarized light is orthogonal or parallel to an alignment direction of the substrate having the homogeneous alignment. A birefringence of the liquid crystal layer multiplied by the liquid crystal thickness and further divided by a wavelength of the polarized light is greater than 10. The polarization direction of the polarized light is rotated corresponding to an intensity of the switching electric field in the liquid crystal layer.
    Type: Grant
    Filed: September 27, 2021
    Date of Patent: October 24, 2023
    Assignee: NATIONAL SUN YAT-SEN UNIVERSITY
    Inventors: Tsung-Hsien Lin, Heng-Yi Tseng, Cheng-Chang Li, Duan-Yi Guo, Li-Min Chang, Kuan-Wu Lin
  • Publication number: 20230330370
    Abstract: A respiratory ventilation apparatus configured to deliver a respiratory gas to a patient interface is provided. The apparatus may include a gas pressurization unit configured to generate a pressurized respiratory gas, a gas inlet port configured to introduce the respiratory gas into the respiratory ventilation apparatus, a gas outlet port configured to discharge the pressurized respiratory gas to a respiration tube, a detection module configured to detect the pressure of the pressurized respiratory gas, at least one non-volatile memory configured to store a plurality of parameters and a plurality of programs, and one or more controllers. The one or more controllers may be configured to initiate the respiratory ventilation apparatus upon a boot operation, and/or initiate a program that constantly reads information from the detection module, and controls the pressure of the pressurized respiratory gas using the information read from the detection module and at least one parameter.
    Type: Application
    Filed: June 8, 2023
    Publication date: October 19, 2023
    Applicant: BMC MEDICAL CO., LTD.
    Inventors: Lijun LIU, Jianxin ZHI, Zhi ZHUANG, Min CHANG
  • Publication number: 20230329644
    Abstract: The present invention relates to a device for analyzing a bio-signal, and a method therefor, and the method for analyzing a bio-signal comprises the steps of: removing bio-signal noise generated by a sensor; estimating the signal quality of the bio-signal for a preset unit time; classifying the bio-signal for the preset unit time into an abnormal signal or a normal signal; and determining whether an abnormal state episode occurs and a duration time thereof on the basis of the signal quality of the bio-signal for a plurality of unit times and the result of the classification.
    Type: Application
    Filed: October 1, 2021
    Publication date: October 19, 2023
    Inventors: Byung Hwan LEE, Chang Hyun BAIK, Chang Hyun KIM, Chang Woo CHOI, Hyung Min CHANG, Sung Mi Jo, Hae Na KIM, Dae Sung KIM, Yu Mi JI