Patents by Inventor Hsiang-Fu Chen

Hsiang-Fu Chen 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: 20230382724
    Abstract: Various embodiments of the present disclosure are directed towards an integrated chip including an interconnect structure overlying a semiconductor substrate. An upper dielectric structure overlies the interconnect structure. A microelectromechanical system (MEMS) substrate overlies the upper dielectric structure. A cavity is defined between the MEMS substrate and the upper dielectric structure. The MEMS substrate comprises a movable membrane over the cavity. A cavity electrode is disposed in the upper dielectric structure and underlies the cavity. A plurality of stopper structures is disposed in the cavity between the movable membrane and the cavity electrode. A dielectric protection layer is disposed along a top surface of the cavity electrode. The dielectric protection layer has a greater dielectric constant than the upper dielectric structure.
    Type: Application
    Filed: May 26, 2022
    Publication date: November 30, 2023
    Inventors: Wen-Chuan Tai, Hsiang-Fu Chen, Chia-Ming Hung, I-Hsuan Chiu, Fan Hu
  • Publication number: 20230382723
    Abstract: A semiconductor device and method of manufacturing the device that includes a growth die and a dummy die. The method includes patterning, on an integrated circuit wafer, at one least growth die, and patterning at least one dummy die that is positioned on at least a portion of a circumference of the integrated circuit wafer. The patterned growth and dummy dies are etched on the wafer. A bond wave is initiated at a starting point on the integrated circuit wafer. The starting point is positioned on an edge of the integrated circuit wafer opposite the portion on which the at least one dummy die is patterned. Upon application of pressure at the starting point, a uniform bond wave propagates across the wafers, bonding the two wafers together.
    Type: Application
    Filed: August 9, 2023
    Publication date: November 30, 2023
    Inventors: Kang-Yi Lien, I-Hsuan Chiu, Yi-Chieh Huang, Chia-Ming Hung, Kuan-Chi Tsai, Hsiang-Fu Chen
  • Publication number: 20230386948
    Abstract: A semiconductor device and method of forming such a device includes a MEMS component including one or more MEMS pixels and having a MEMS membrane substrate and a MEMS sidewall. The semiconductor device includes an analog circuit component bonded to the MEMS component, and which includes at least one analog CMOS component within an analog circuit insulative layer, and an analog circuit component substrate. The semiconductor device includes an HPC component bonded to the analog circuit component substrate. The HPC component includes at least one HPC metal component disposed within an HPC insulative layer, at least one bond pad, at least one bond pad via connecting the at least one bond pad and the at least one HPC metal component, and an HPC substrate. Additionally, the semiconductor device includes a DTC component bonded to the HPC substrate, and which includes a DTC die disposed in a DTC substrate.
    Type: Application
    Filed: May 25, 2022
    Publication date: November 30, 2023
    Inventors: You-Ru Lin, Sheng Kai Yeh, Jen-Yuan Chang, Chi-Yuan Shih, Chia-Ming Hung, Hsiang-Fu Chen, Shih-Fen Huang
  • Publication number: 20230373780
    Abstract: Various embodiments of the present disclosure are directed towards a microelectromechanical system (MEMS) device. The MEMS device includes a first dielectric structure disposed over a first semiconductor substrate, where the first dielectric structure at least partially defines a cavity. A second semiconductor substrate is disposed over the first dielectric structure and includes a movable mass, where opposite sidewalls of the movable mass are disposed between opposite sidewall of the cavity.
    Type: Application
    Filed: August 7, 2023
    Publication date: November 23, 2023
    Inventors: Fan Hu, Chun-Ren Cheng, Hsiang-Fu Chen, Wen-Chuan Tai
  • Publication number: 20230331546
    Abstract: A MEMS package is provided. The MEMS package includes a metallization layer, a planarization structure, a MEMS device structure, a cap structure and a pressure adjustment element. The planarization structure has an inner sidewall defining a first cavity exposing the metallization layer. The MEMS device structure is bonded to the planarization structure. The MEMS device structure includes a movable element over the first cavity. The cap structure is bonded to the MEMS device structure and has an inner sidewall defining a second cavity facing the movable element. The pressure adjustment element is disposed in the second cavity.
    Type: Application
    Filed: April 19, 2022
    Publication date: October 19, 2023
    Inventors: FAN HU, WEN-CHUAN TAI, LI-CHUN PENG, HSIANG-FU CHEN
  • Publication number: 20230299028
    Abstract: A bonding method and a bonding structure are provided. A device substrate is provided including a plurality of semiconductor devices, wherein each of the semiconductor devices includes a first bonding layer. A cap substrate is provided including a plurality of cap structures, wherein each of the cap structures includes a second bonding layer, the second bonding layer having a planar surface and a first protrusion protruding from the planar surface. The device substrate is bonded to the cap substrate by engaging the first protrusion of the second bonding layer of each of the cap structures with the corresponding first bonding layer of each of the semiconductor devices in the device substrate.
    Type: Application
    Filed: March 15, 2022
    Publication date: September 21, 2023
    Inventors: WEN-CHUAN TAI, FAN HU, HSIANG-FU CHEN, LI-CHUN PENG
  • Publication number: 20230278073
    Abstract: A semiconductor device and method of manufacturing the same that utilizes dielectric pedestals on a sensing electrode. The semiconductor device includes a one or more membranes and an integrated circuit substrate. The integrated circuit substrate includes one or more conductive components disposed within a first dielectric layer on the substrate, with the conductive components interconnected with respective integrated circuit components. The substrate further includes one or more sensing electrodes electrically coupled to the conductive components, and one or more dielectric pedestals positioned within a landing area of the sensing electrode. In addition, the semiconductor device includes at least one cavity that is formed by the membrane positioned over the sensing electrode.
    Type: Application
    Filed: March 7, 2022
    Publication date: September 7, 2023
    Inventors: Kang-Yi Lien, Kuan-Chi Tsai, Yi-Chieh Huang, Hsiang-Fu Chen, Chia-Ming Hung, I-Hsuan Chiu
  • Publication number: 20230282726
    Abstract: A semiconductor device includes a first substrate having opposite first and second sides, a first conductive layer on the first side of the first substrate, and a second substrate having opposite first and second sides. The second side of the second substrate is bonded to the first side of the first substrate. The second substrate includes a semiconductor material, and at least one circuit element electrically coupled to the first conductive layer. The at least one circuit element includes at least one of a Schottky diode configured by the semiconductor material and a first contact structure, a capacitor having a first electrode of the semiconductor material, or a resistor of the semiconductor material.
    Type: Application
    Filed: June 14, 2022
    Publication date: September 7, 2023
    Inventors: Chia-Ming HUNG, I-Hsuan CHIU, Hsiang-Fu CHEN, Kang-Yi LIEN, Chu-Heng CHEN
  • Publication number: 20230043571
    Abstract: A semiconductor device and method of manufacturing the device that includes a growth die and a dummy die. The method includes patterning, on an integrated circuit wafer, at one least growth die, and patterning at least one dummy die that is positioned on at least a portion of a circumference of the integrated circuit wafer. The patterned growth and dummy dies are etched on the wafer. A bond wave is initiated at a starting point on the integrated circuit wafer. The starting point is positioned on an edge of the integrated circuit wafer opposite the portion on which the at least one dummy die is patterned. Upon application of pressure at the starting point, a uniform bond wave propagates across the wafers, bonding the two wafers together.
    Type: Application
    Filed: February 14, 2022
    Publication date: February 9, 2023
    Inventors: Kang-Yi Lien, Kuan-Chi Tsai, Yi-Chieh Huang, Hsiang-Fu Chen, Chia-Ming Hung, I-Hsuan Chiu
  • Publication number: 20230036136
    Abstract: A semiconductor device and method of manufacturing the device that includes a capacitive micromachined ultrasonic transducer (CMUT). The CMUT includes an integrated circuit substrate, and a sensing electrode positioned on the integrated substrate. The sensing electrode includes a sidewall that forms a wall of an isolation trench adjacent to the sensing electrode, and is patterned before covering dielectric layers are deposited. After patterning of the sensing electrode, one or more dielectric layers are patterned, with one dielectric layer patterned on the sensing electrode and sidewall, and which has a thickness corresponding to the surface roughness of the sensing electrode. The CMUT further includes a membrane positioned above the sensing electrode forming a cavity therein.
    Type: Application
    Filed: February 8, 2022
    Publication date: February 2, 2023
    Inventors: Kang-Yi Lien, Kuan-Chi Tsai, Yi-Chieh Huang, Wei-Tung Huang, Hsiang-Fu Chen
  • Publication number: 20220362804
    Abstract: Various embodiments of the present disclosure are directed towards a semiconductor device. The semiconductor device includes an interconnect structure disposed over a semiconductor substrate. A dielectric structure is disposed over the interconnect structure. A plurality of cavities are disposed in the dielectric structure. A microelectromechanical system (MEMS) substrate is disposed over the dielectric structure, where the MEMS substrate comprises a plurality of movable membranes, and where the movable membranes overlie the cavities, respectively. A plurality of fluid communication channels are disposed in the dielectric structure, where each of the fluid communication channels extend laterally between two neighboring cavities of the cavities, such that each of the cavities are in fluid communication with one another.
    Type: Application
    Filed: July 25, 2022
    Publication date: November 17, 2022
    Inventors: I-Hsuan Chiu, Chia-Ming Hung, Li-Chun Peng, Hsiang-Fu Chen
  • Patent number: 11491510
    Abstract: Various embodiments of the present disclosure are directed towards a semiconductor device. The semiconductor device includes an interconnect structure disposed over a semiconductor substrate. A dielectric structure is disposed over the interconnect structure. A plurality of cavities are disposed in the dielectric structure. A microelectromechanical system (MEMS) substrate is disposed over the dielectric structure, where the MEMS substrate comprises a plurality of movable membranes, and where the movable membranes overlie the cavities, respectively. A plurality of fluid communication channels are disposed in the dielectric structure, where each of the fluid communication channels extend laterally between two neighboring cavities of the cavities, such that each of the cavities are in fluid communication with one another.
    Type: Grant
    Filed: May 13, 2020
    Date of Patent: November 8, 2022
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: I-Hsuan Chiu, Chia-Ming Hung, Li-Chun Peng, Hsiang-Fu Chen
  • Publication number: 20220306452
    Abstract: Various embodiments of the present disclosure are directed towards a microelectromechanical system (MEMS) device. The MEMS device includes a first dielectric structure disposed over a first semiconductor substrate, where the first dielectric structure at least partially defines a cavity. A second semiconductor substrate is disposed over the first dielectric structure and includes a movable mass, where opposite sidewalls of the movable mass are disposed between opposite sidewall of the cavity.
    Type: Application
    Filed: June 15, 2022
    Publication date: September 29, 2022
    Inventors: Fan Hu, Chun-Ren Cheng, Hsiang-Fu Chen, Wen-Chuan Tai
  • Patent number: 11365115
    Abstract: Various embodiments of the present disclosure are directed towards a microelectromechanical system (MEMS) device. The MEMS device includes a first dielectric structure disposed over a first semiconductor substrate, where the first dielectric structure at least partially defines a cavity. A second semiconductor substrate is disposed over the first dielectric structure and includes a movable mass, where opposite sidewalls of the movable mass are disposed between opposite sidewall of the cavity. A first piezoelectric anti-stiction structure is disposed between the movable mass and the first dielectric structure, wherein the first piezoelectric anti-stiction structure includes a first piezoelectric structure and a first electrode disposed between the first piezoelectric structure and the first dielectric structure.
    Type: Grant
    Filed: September 3, 2019
    Date of Patent: June 21, 2022
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Fan Hu, Chun-Ren Cheng, Hsiang-Fu Chen, Wen-Chuan Tai
  • Patent number: 11220422
    Abstract: A micro-electro-mechanical system (MEMS) device includes a substrate, a proof mass, and a piezoelectric bump. The substrate has a surface. The proof mass is suspended over the surface of the substrate, wherein the proof mass is movable with respect to the substrate. The piezoelectric bump is disposed on the surface of the substrate and extends a distance from the surface of the substrate toward the proof mass.
    Type: Grant
    Filed: March 14, 2019
    Date of Patent: January 11, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Fan Hu, Wen-Chuan Tai, Hsiang-Fu Chen, Chun-Ren Cheng
  • Patent number: 10981781
    Abstract: A semiconductor arrangement and method of formation are provided. The semiconductor arrangement includes a MEMS device in a MEMS area, where a first metal layer is connected to a first metal connect adjacent the MEMS area and a cap is over the MEMS area to vacuum seal the MEMS area. A first wafer portion is over and bonded to the first metal layer which connects the first metal connect to a first I/O port using metal routing. The first metal layer and the first wafer portion bond requires 10% less bonding area than a bond not including the first metal layer. The semiconductor arrangement including the first metal layer has increased conductivity and requires less processing than an arrangement that requires a dopant implant to connect a first metal connect to a first I/O port and has a better vacuum seal due to a reduction in outgassing.
    Type: Grant
    Filed: November 4, 2019
    Date of Patent: April 20, 2021
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LIMITED
    Inventors: Hsin-Ting Huang, Hsiang-Fu Chen, Wen-Chuan Tai, Chia-Ming Hung, Shao-Chi Yu, Hung-Hua Lin, Yuan-Chih Hsieh
  • Patent number: 10961118
    Abstract: The present disclosure relates to a micro-electro mechanical system (MEMS) package and a method of achieving differential pressure adjustment in multiple MEMS cavities at a wafer-to-wafer bonding level. In some embodiments, a ventilation trench and an isolation trench are concurrently within a capping substrate. The isolation trench isolates a silicon region and has a height substantially equal to a height of the ventilation trench. A sealing structure is formed within the ventilation trench and the isolation trench, the sealing structure filing the isolation trench and defining a vent within the ventilation trench. A device substrate is provided and bonded to the capping substrate at a first gas pressure and hermetically sealing a first cavity associated with a first MEMS device and a second cavity associated with a second MEMS device. The capping substrate is thinned to open the vent to adjust a gas pressure of the second cavity.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: March 30, 2021
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Yi-Chia Lee, Chin-Min Lin, Cheng San Chou, Hsiang-Fu Chen, Wen-Chuan Tai, Ching-Kai Shen, Hua-Shu Ivan Wu, Fan Hu
  • Publication number: 20210061647
    Abstract: Various embodiments of the present disclosure are directed towards a semiconductor device. The semiconductor device includes an interconnect structure disposed over a semiconductor substrate. A dielectric structure is disposed over the interconnect structure. A first cavity and a second cavity are disposed in the dielectric structure. A microelectromechanical system (MEMS) substrate is disposed over the dielectric structure, where the MEMS substrate comprises a first movable membrane overlying the first cavity and a second movable membrane overlying the second cavity. A first functional structure overlies the first movable membrane, where the first functional structure comprises a first material having a first chemical composition.
    Type: Application
    Filed: June 22, 2020
    Publication date: March 4, 2021
    Inventors: Hsiang-Fu Chen, Chia-Ming Hung, I-Hsuan Chiu
  • Publication number: 20210060610
    Abstract: Various embodiments of the present disclosure are directed towards a semiconductor device. The semiconductor device includes an interconnect structure disposed over a semiconductor substrate. A dielectric structure is disposed over the interconnect structure. A plurality of cavities are disposed in the dielectric structure. A microelectromechanical system (MEMS) substrate is disposed over the dielectric structure, where the MEMS substrate comprises a plurality of movable membranes, and where the movable membranes overlie the cavities, respectively. A plurality of fluid communication channels are disposed in the dielectric structure, where each of the fluid communication channels extend laterally between two neighboring cavities of the cavities, such that each of the cavities are in fluid communication with one another.
    Type: Application
    Filed: May 13, 2020
    Publication date: March 4, 2021
    Inventors: I-Hsuan Chiu, Chia-Ming Hung, Li-Chun Peng, Hsiang-Fu Chen
  • Publication number: 20210061641
    Abstract: Various embodiments of the present disclosure are directed towards a microelectromechanical system (MEMS) device. The MEMS device includes a first dielectric structure disposed over a first semiconductor substrate, where the first dielectric structure at least partially defines a cavity. A second semiconductor substrate is disposed over the first dielectric structure and includes a movable mass, where opposite sidewalls of the movable mass are disposed between opposite sidewall of the cavity.
    Type: Application
    Filed: September 3, 2019
    Publication date: March 4, 2021
    Inventors: Fan Hu, Chun-Ren Cheng, Hsiang-Fu Chen, Wen-Chuan Tai