Patents by Inventor Ming-Da Cheng

Ming-Da Cheng 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: 20260354274
    Abstract: A semiconductor device includes a first package component and a second package component. The first package component has a first die formed on a first substrate. A second package component has a second die formed on a second substrate. A thermal isolation material is attached on the first die, wherein the thermal isolation material thermally insulates the second die from the first die, and the thermal isolation material has a thermal conductivity of from about 0.024 W/mK to about 0.2 W/mK. A first set of conductive elements couples the first package component to the second package component.
    Type: Application
    Filed: July 8, 2026
    Publication date: November 5, 2026
    Inventors: Meng-Tse Chen, Kuei-Wei Huang, Tsai-Tsung Tsai, Ai-Tee Ang, Ming-Da Cheng, Chung-Shi Liu
  • Publication number: 20260331432
    Abstract: A bonded assembly may be formed by providing a wafer comprising at least a first packaging substrate and a second packaging substrate in a low-oxygen ambient; performing a first plasma package-treatment process on the first semiconductor package in the low-oxygen ambient while performing a first substrate-treatment process on the first packaging substrate in a low-oxygen ambient having an oxygen partial pressure that is lower than 17 kPa; and performing a second plasma package-treatment process on the second semiconductor package while performing a second substrate-treatment process on the second packaging substrate and while bonding the first semiconductor package to the first packaging substrate.
    Type: Application
    Filed: July 4, 2026
    Publication date: October 22, 2026
    Inventors: Hui-Min Huang, Kai Jun Zhan, Chih-Yuan Chiu, Ming-Da Cheng, Amram Eitan
  • Patent number: 12772806
    Abstract: A method includes depositing a plurality of layers on a substrate, patterning a first mask overlying the plurality of layers, and performing a first etching process on the plurality of layers using the first mask. The method also includes forming a polymer material along sidewalls of the first mask and sidewalls of the plurality of layers, and removing the polymer material. The method also includes performing a second etching process on the plurality of layers using the remaining first mask, where after the second etching process terminates a combined sidewall profile of the plurality of layers comprises a first portion and a second portion, and a first angle of the first portion and a second angle of the second portion are different to each other.
    Type: Grant
    Filed: July 11, 2023
    Date of Patent: October 20, 2026
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chang-Jung Hsueh, Chen-En Yen, Chin Wei Kang, Kai Jun Zhan, Wei-Hung Lin, Cheng Jen Lin, Ming-Da Cheng, Ching-Hui Chen, Mirng-Ji Lii
  • Patent number: 12759867
    Abstract: A method includes forming an interconnect structure over a semiconductor substrate. The interconnect structure includes a plurality of dielectric layers, and the interconnect structure and the semiconductor substrate are in a wafer. A plurality of metal pads are formed over the interconnect structure. A plurality of through-holes are formed to penetrate through the wafer. The plurality of through-holes include top portions penetrating through the interconnect structure, and middle portions underlying and joining to the top portions. The middle portions are wider than respective ones of the top portions. A metal layer is formed to electrically connect to the plurality of metal pads. The metal layer extends into the top portions of the plurality of through-holes.
    Type: Grant
    Filed: January 9, 2023
    Date of Patent: October 13, 2026
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Pei-Wei Lee, Fu Wei Liu, Szu-Hsien Lee, Yun-Chung Wu, Chin-Yu Ku, Ming-Da Cheng, Mirng-Ji Lii
  • Publication number: 20260314462
    Abstract: A semiconductor device includes a substrate, one or more wiring layers disposed over the substrate, a passivation layer disposed over the one or more wiring layers, a first conductive layer disposed over the passivation layer, a second conductive layer disposed over the first conductive layer, an isolation structure formed in the first and second conductive layers to isolate a part of the first and second conductive layers, and a first metal pad disposed over the isolation structure and the part of the first and second conductive layers. In one or more of the foregoing or following embodiments, the semiconductor device further includes a second metal pad disposed over the second conductive layer and electrically isolated from the first metal pad.
    Type: Application
    Filed: June 18, 2026
    Publication date: October 8, 2026
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Bo-Yu CHIU, Pei-Wei LEE, Fu Wei LIU, Yun-Chung WU, Hao Chun YANG, Chin-Yu KU, Ming-Da CHENG, Mirng-Ji LII
  • Patent number: 12757746
    Abstract: A bonded assembly may be formed by: providing a substrate and a semiconductor chip in a low-oxygen ambient having an oxygen partial pressure that is lower than 17 kPa; disposing the semiconductor chip on the substrate; performing a plasma treatment process on a copper-containing surface of a chip bonding pad on the semiconductor chip in the low-oxygen ambient by directing a plasma jet to the chip bonding pad; and attaching a bonding wire to the semiconductor chip and to the substrate such that a first end of the bonding wire is attached to the copper-containing surface and a second end of the bonding wire is attached to a substrate bonding pad on the substrate.
    Type: Grant
    Filed: June 2, 2023
    Date of Patent: October 6, 2026
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Hui-Min Huang, Chang-Jung Hsueh, Chih-Yuan Chiu, Jen-Hao Liu, Ming-Da Cheng, Amram Eitan
  • Patent number: 12733529
    Abstract: A semiconductor device includes a substrate, one or more wiring layers disposed over the substrate, a passivation layer disposed over the one or more wiring layers, a first conductive layer disposed over the passivation layer, a second conductive layer disposed over the first conductive layer, an isolation structure formed in the first and second conductive layers to isolate a part of the first and second conductive layers, and a first metal pad disposed over the isolation structure and the part of the first and second conductive layers. In one or more of the foregoing or following embodiments, the semiconductor device further includes a second metal pad disposed over the second conductive layer and electrically isolated from the first metal pad.
    Type: Grant
    Filed: March 20, 2023
    Date of Patent: September 8, 2026
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Bo-Yu Chiu, Pei-Wei Lee, Fu Wei Liu, Yun-Chung Wu, Hao Chun Yang, Chin-Yu Ku, Ming-Da Cheng, Mirng-Ji Lii
  • Publication number: 20260255617
    Abstract: A method of forming a semiconductor device includes: forming a passivation layer over a conductive pad that is disposed over a substrate; and forming an inductive component over the passivation layer, including: forming a first insulation layer and a first magnetic layer successively over the passivation layer; forming a first polymer layer over the first magnetic layer; forming a first conductive feature over the first polymer layer; forming a second polymer layer over the first polymer layer and the first conductive feature; patterning the second polymer layer, where after the patterning, a first sidewall of the second polymer layer includes multiple segments, where an extension of a first segment of the multiple segments intersects the second polymer layer; and after patterning the second polymer layer, forming a second insulation layer and a second magnetic layer successively over the second polymer layer.
    Type: Application
    Filed: April 16, 2026
    Publication date: August 27, 2026
    Inventors: Mei-Chi Lee, Chi-Cheng Chen, Wei-Li Huang, Kai Tzeng, Chun Yi Wu, Ming-Da Cheng
  • Publication number: 20260247972
    Abstract: An organic interposer includes interconnect-level dielectric material layers embedding redistribution interconnect structures, package-side bump structures located on a first side of the interconnect-level dielectric material layers, at least one dielectric capping layer located on a second side of the interconnect-level dielectric material layers, a bonding-level dielectric layer located on the at least one dielectric capping layer, metallic pad structures including pad via portions embedded in the at least one dielectric capping layer and pad plate portions embedded in the bonding-level dielectric layer, and an edge seal ring structure vertically extending from a first horizontal plane including bonding surfaces of the package-side bump structures to a second horizontal plane including distal planar surfaces of the metallic pad structures.
    Type: Application
    Filed: April 9, 2026
    Publication date: August 20, 2026
    Inventors: Hong-Seng Shue, Yao-Chun Chuang, Yu-Tse Su, Chen-Shien Chen, Ching-Wen Hsiao, Ming-Da Cheng
  • Patent number: 12685203
    Abstract: A method of forming a semiconductor device includes: forming an interconnect structure over a substrate; forming a first passivation layer over the interconnect structure; forming a first conductive feature over the first passivation layer and electrically coupled to the interconnect structure; conformally forming a second passivation layer over the first conductive feature and the first passivation layer; forming a dielectric layer over the second passivation layer; and forming a first bump via and a first conductive bump over and electrically coupled to the first conductive feature, where the first bump via is between the first conductive bump and the first conductive feature, where the first bump via extends into the dielectric layer, through the second passivation layer, and contacts the first conductive feature, where the first conductive bump is over the dielectric layer and electrically coupled to the first bump via.
    Type: Grant
    Filed: July 3, 2024
    Date of Patent: July 14, 2026
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Ting-Li Yang, Po-Hao Tsai, Ching-Wen Hsiao, Hong-Seng Shue, Ming-Da Cheng
  • Publication number: 20260167893
    Abstract: A flux cleaner composition includes water in a range from 80% to 99%, an organic nitrogen compound in a range from 0.01% to 3%, anionic phosphate surfactant in a range from 0.01% to 3%, aprotic ketone solvent in a range from 1% to 20%, and an azo-coumarin derivative in a range from 0.01% to 5%.
    Type: Application
    Filed: December 12, 2024
    Publication date: June 18, 2026
    Inventors: Baron Huang, Wen-Yi Lin, Ming-Da Cheng, Zhihua Zou
  • Publication number: 20260152385
    Abstract: A micro electro mechanical system (MEMS) includes a circuit substrate comprising electronic circuitry, a support substrate having a recess, a bonding layer disposed between the circuit substrate and the support substrate, through holes passing through the circuit substrate to the recess, a first conductive layer disposed on a front side of the circuit substrate, and a second conductive layer disposed on an inner wall of the recess. The first conductive layer extends into the through holes and the second conductive layer extends into the through holes and coupled to the first conductive layer.
    Type: Application
    Filed: January 23, 2026
    Publication date: June 4, 2026
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Ting-Li YANG, Wen-Hsiung LU, Cheng Jen LIN, Chin Wei KANG, Kai-Di WU, Ming-Da CHENG
  • Publication number: 20260148938
    Abstract: A disclosed system is configured to bond a chip to a substrate and includes a chip processing subsystem that is configured to receive the chip and to expose the chip to a first plasma, and a substrate processing subsystem that is configured to receive the substrate and to expose the substrate to a second plasma. The system further includes a bonding subsystem that is configured to align the chip with the substrate, to force the chip and the substrate into direct mechanical contact with one another by application of a compressive force, and to apply heat to at least one of the chip or the substrate. Application of the compressive force and the heat thereby bonds the chip to the substrate. The first and second plasmas may include H2/N2, H2/Ar, H2/He, NH3/N2, NH3/Ar, or NH3/He and the chip and substrate may be maintained in a low oxygen environment.
    Type: Application
    Filed: December 10, 2025
    Publication date: May 28, 2026
    Inventors: Hui-Min Huang, Kai Jun Zhan, Yi Chen Wu, Wei-Hung Lin, Ming-Da Cheng
  • Publication number: 20260144119
    Abstract: A method for forming a package structure is provided. The method includes placing a first package component on a chuck table; aligning a second package component with the first package component using a nozzle, wherein the nozzle includes a plurality of first holes communicating with a plurality of vacuum tubes and includes a plurality of second holes communicating with the first holes via a first trench and a second trench, wherein the first trench is located higher than the second trench in the nozzle; and bonding the first package component and the second package component over the chuck table to form the package structure.
    Type: Application
    Filed: January 13, 2026
    Publication date: May 21, 2026
    Inventors: Kai Jun ZHAN, Chang-Jung HSUEH, Hui-Min HUANG, Wei-Hung LIN, Ming-Da CHENG
  • Patent number: 12635492
    Abstract: A method includes forming a first conductive feature, depositing a passivation layer on a sidewall and a top surface of the first conductive feature, etching the passivation layer to reveal the first conductive feature, and recessing a first top surface of the passivation layer to form a step. The step comprises a second top surface of the passivation layer. The method further includes forming a planarization layer on the passivation layer, and forming a second conductive feature extending into the passivation layer to contact the first conductive feature.
    Type: Grant
    Filed: March 14, 2024
    Date of Patent: May 19, 2026
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Ming-Da Cheng, Tzy-Kuang Lee, Song-Bor Lee, Wen-Hsiung Lu, Po-Hao Tsai, Wen-Che Chang
  • Patent number: 12622276
    Abstract: An organic interposer includes interconnect-level dielectric material layers embedding redistribution interconnect structures, package-side bump structures located on a first side of the interconnect-level dielectric material layers, at least one dielectric capping layer located on a second side of the interconnect-level dielectric material layers, a bonding-level dielectric layer located on the at least one dielectric capping layer, metallic pad structures including pad via portions embedded in the at least one dielectric capping layer and pad plate portions embedded in the bonding-level dielectric layer, and an edge seal ring structure vertically extending from a first horizontal plane including bonding surfaces of the package-side bump structures to a second horizontal plane including distal planar surfaces of the metallic pad structures.
    Type: Grant
    Filed: June 13, 2024
    Date of Patent: May 5, 2026
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Hong-Seng Shue, Yao-Chun Chuang, Yu-Tse Su, Chen-Shien Chen, Ching-Wen Hsiao, Ming-Da Cheng
  • Patent number: 12598995
    Abstract: A semiconductor package includes a first die having a first substrate, an interconnect structure overlying the first substrate and having multiple metal layers with vias connecting the multiple metal layers, a seal ring structure overlying the first substrate and along a periphery of the first substrate, the seal ring structure having multiple metal layers with vias connecting the multiple metal layers, the seal ring structure having a topmost metal layer, the topmost metal layer being the metal layer of the seal ring structure that is furthest from the first substrate, the topmost metal layer of the seal ring structure having an inner metal structure and an outer metal structure, and a polymer layer over the seal ring structure, the polymer layer having an outermost edge that is over and aligned with a top surface of the outer metal structure of the seal ring structure.
    Type: Grant
    Filed: July 26, 2021
    Date of Patent: April 7, 2026
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chih-Hsiang Tseng, Yu-Feng Chen, Cheng Jen Lin, Wen-Hsiung Lu, Ming-Da Cheng, Kuo-Ching Hsu, Hong-Seng Shue, Ming-Hong Cha, Chao-Yi Wang, Mirng-Ji Lii
  • Publication number: 20260076216
    Abstract: A method of forming a semiconductor device includes the following steps. A substrate is provided. A die is placed on the substrate, wherein an empty through hole penetrates through the die. A cavity is formed to penetrate through the substrate, to communicate with the empty through hole of the die. A liner is formed on surfaces of the empty through hole of the die and the cavity of the substrate.
    Type: Application
    Filed: November 13, 2025
    Publication date: March 12, 2026
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yung-Sheng Lin, Cheng-Lung Yang, Chin-Yu Ku, Ming-Da Cheng, Wen-Hsiung Lu, Tang-Wei Huang, Fu Wei Liu
  • Publication number: 20260068689
    Abstract: A method includes forming a first package component, which formation process includes forming a first plurality of openings in a first dielectric layer, depositing a first metallic material into the first plurality of openings, performing a planarization process on the first metallic material and the first dielectric layer to form a plurality of metal pads in the first dielectric layer, and selectively depositing a second metallic material on the plurality of metal pads to form a plurality of bond pads. The first plurality of bond pads comprise the plurality of metal pads and corresponding parts of the second metallic material. The first package component is bonded to a second package component.
    Type: Application
    Filed: November 5, 2025
    Publication date: March 5, 2026
    Inventors: Mirng-Ji Lii, Chen-Shien Chen, Lung-Kai Mao, Ming-Da Cheng, Wen-Hsiung Lu
  • Patent number: 12559362
    Abstract: A micro electro mechanical system (MEMS) includes a circuit substrate comprising electronic circuitry, a support substrate having a recess, a bonding layer disposed between the circuit substrate and the support substrate, through holes passing through the circuit substrate to the recess, a first conductive layer disposed on a front side of the circuit substrate, and a second conductive layer disposed on an inner wall of the recess. The first conductive layer extends into the through holes and the second conductive layer extends into the through holes and coupled to the first conductive layer.
    Type: Grant
    Filed: November 15, 2023
    Date of Patent: February 24, 2026
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Ting-Li Yang, Kai-Di Wu, Ming-Da Cheng, Wen-Hsiung Lu, Cheng Jen Lin, Chin Wei Kang