Patents by Inventor Po-Hao Tsai

Po-Hao Tsai 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: 20250110291
    Abstract: Provided are a package structure and a method of forming the same. The package structure includes a bottom package having a first sidewall and a second sidewall opposite to each other; a hybrid path layer disposed on the bottom package, wherein the hybrid path layer comprises an optical path layer and an electrical path layer, and at least one optical path of the optical path layer extends from the first sidewall of the bottom package beyond a center of the bottom package; and a plurality of dies bonded onto the hybrid path layer.
    Type: Application
    Filed: October 2, 2023
    Publication date: April 3, 2025
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chung-Ming Weng, Yu-Hao Chen, Hao-Yi Tsai, An-Jhih Su, Tzuan-Horng Liu, Po-Yuan Teng, Tsung-Yuan Yu, Che-Hsiang Hsu
  • Publication number: 20250096198
    Abstract: A semiconductor device, a circuit board structure and a manufacturing forming thereof are provided. A circuit board structure includes a core layer, a first build-up layer and a second build-up layer. The first build-up layer and the second build-up layer are disposed on opposite sides of the core layer. The circuit board structure has a plurality of stress releasing trenches extending into the first build-up layer and the second build-up layer.
    Type: Application
    Filed: December 5, 2024
    Publication date: March 20, 2025
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Tin-Hao Kuo, Chen-Hua Yu, Chung-Shi Liu, Hao-Yi Tsai, Yu-Chia Lai, Po-Yuan Teng
  • Patent number: 12255166
    Abstract: A semiconductor package structure includes a conductive pad formed over a substrate. The semiconductor package structure also includes a passivation layer formed over the conductive pad. The semiconductor package structure further includes a first via structure formed through the passivation layer and in contact with the conductive pad. The semiconductor package structure also includes a first encapsulating material surrounding the first via structure. The semiconductor package structure further includes a redistribution layer structure formed over the first via structure. The first via structure has a lateral extending portion embedded in the first encapsulating material near a top surface of the first via structure, and the lateral extending portion has a width increasing in a direction toward the redistribution layer structure.
    Type: Grant
    Filed: October 11, 2023
    Date of Patent: March 18, 2025
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Neng-Chieh Chang, Po-Hao Tsai, Ming-Da Cheng, Wen-Hsiung Lu, Hsu-Lun Liu
  • Publication number: 20250087648
    Abstract: A package structure includes a first semiconductor package and a second semiconductor package over the first semiconductor package. The first semiconductor package includes a dielectric structure, a semiconductor device on the dielectric structure, under bump metallization (UBM) structures in the dielectric structure. The USB structures each include a first region and a second region surrounded by the first region. The first region has more metal layers than the second region. The bumps are respectively on the second regions of the UBM structures.
    Type: Application
    Filed: November 25, 2024
    Publication date: March 13, 2025
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Jing-Cheng LIN, Po-Hao TSAI
  • Patent number: 12249581
    Abstract: A semiconductor device has a conductive via laterally separated from the semiconductor, an encapsulant between the semiconductor device and the conductive via, and a mark. The mark is formed from characters that are either cross-free characters or else have a overlap count of less than two. In another embodiment the mark is formed using a wobble scan methodology. By forming marks as described, defects from the marking process may be reduced or eliminated.
    Type: Grant
    Filed: November 28, 2023
    Date of Patent: March 11, 2025
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Jing-Cheng Lin, Chen-Hua Yu, Po-Hao Tsai
  • Publication number: 20250079428
    Abstract: Packaged devices and methods of manufacturing the devices are described herein. The packaged devices may be fabricated using heterogeneous devices and asymmetric dual-side molding on a multi-layered redistribution layer (RDL) structure. The packaged devices may be formed with a heterogeneous three-dimensional (3D) Fan-Out System-in-Package (SiP) structure having small profiles and can be formed using a single carrier substrate.
    Type: Application
    Filed: November 15, 2024
    Publication date: March 6, 2025
    Inventors: Yi-Wen Wu, Po-Yao Chuang, Meng-Liang Lin, Techi Wong, Shih-Ting Hung, Po-Hao Tsai, Shin-Puu Jeng
  • Patent number: 12243837
    Abstract: Methods for forming under-bump metallurgy (UBM) structures having different surface profiles and semiconductor devices formed by the same are disclosed. In an embodiment, a semiconductor device includes a first redistribution line and a second redistribution line over a semiconductor substrate; a first passivation layer over the first redistribution line and the second redistribution line; a first under-bump metallurgy (UBM) structure over and electrically coupled to the first redistribution line, the first UBM structure extending through the first passivation layer, a top surface of the first UBM structure being concave; and a second UBM structure over and electrically coupled to the second redistribution line, the second UBM structure extending through the first passivation layer, a top surface of the second UBM structure being flat or convex.
    Type: Grant
    Filed: August 7, 2023
    Date of Patent: March 4, 2025
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Ting-Li Yang, Po-Hao Tsai, Ming-Da Cheng, Yung-Han Chuang, Hsueh-Sheng Wang
  • Patent number: 12237291
    Abstract: A semiconductor device and method utilizing a dummy structure in association with a redistribution layer is provided. By providing the dummy structure adjacent to the redistribution layer, damage to the redistribution layer may be reduced from a patterning of an overlying passivation layer, such as by laser drilling. By reducing or eliminating the damage caused by the patterning, a more effective bond to an overlying structure, such as a package, may be achieved.
    Type: Grant
    Filed: June 17, 2022
    Date of Patent: February 25, 2025
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY
    Inventors: Li-Hui Cheng, Po-Hao Tsai, Jing-Cheng Lin
  • Patent number: 12237262
    Abstract: A semiconductor package is provided. The semiconductor package includes an encapsulating layer, a semiconductor die formed in the encapsulating layer, and an interposer structure covering the encapsulating layer. The interposer structure includes an insulating base having a first surface facing the encapsulating layer, and a second surface opposite the first surface. The interposer structure also includes insulating features formed on the first surface of the insulating base and extending into the encapsulating layer. The insulating features is arranged in a matrix and faces a top surface of the semiconductor die. The interposer structure further includes first conductive features formed on the first surface of the insulating base and extending into the encapsulating layer. The first conductive features surround the matrix of the insulating features.
    Type: Grant
    Filed: November 6, 2023
    Date of Patent: February 25, 2025
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Yi-Wen Wu, Techi Wong, Po-Hao Tsai, Po-Yao Chuang, Shih-Ting Hung, Shin-Puu Jeng
  • Publication number: 20250038087
    Abstract: A semiconductor device and method of manufacture are provided whereby an interposer and a first semiconductor device are placed onto a carrier substrate and encapsulated. The interposer comprises a first portion and conductive pillars extending away from the first portion. A redistribution layer located on a first side of the encapsulant electrically connects the conductive pillars to the first semiconductor device.
    Type: Application
    Filed: October 2, 2024
    Publication date: January 30, 2025
    Inventors: Po-Hao Tsai, Po-Yao Chuang, Shin-Puu Jeng, Techi Wong
  • Publication number: 20250037858
    Abstract: The present invention disclose a medical image-based system for predicting lesion classification and a method thereof. The system comprises a feature data extracting module for providing a raw feature data based on a medical image, and a predicting module for outputting a predicted class and a risk index according to the raw feature data. The predicting module comprises a classification unit for generating the predicted class and a prediction score corresponding thereto according to the raw feature data, and a risk evaluation unit for generating the risk index according to the prediction score. The system provides medical personnels a reference score and a risk index to determine progression of a certain disease.
    Type: Application
    Filed: February 1, 2024
    Publication date: January 30, 2025
    Inventors: YI-SHAN TSAI, YU-HSUAN LAI, CHENG-SHIH LAI, CHAO-YUN CHEN, MENG-JHEN WU, YI-CHUAN LIN, YI-TING CHIANG, PENG-HAO FANG, PO-TSUN KUO, YI-CHIH CHIU
  • Patent number: 12205923
    Abstract: A semiconductor device, a circuit board structure and a manufacturing forming thereof are provided. A circuit board structure includes a core layer, a first build-up layer and a second build-up layer. The first build-up layer and the second build-up layer are disposed on opposite sides of the core layer. The circuit board structure has a plurality of stress releasing trenches extending into the first build-up layer and the second build-up layer.
    Type: Grant
    Filed: December 21, 2022
    Date of Patent: January 21, 2025
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Tin-Hao Kuo, Chen-Hua Yu, Chung-Shi Liu, Hao-Yi Tsai, Yu-Chia Lai, Po-Yuan Teng
  • Publication number: 20250023439
    Abstract: An offset overlap type of a modulated ferromagnetic pole piece ring and a manufacturing method thereof are provided. The modulated ferromagnetic pole piece ring comprises a plurality of ring pieces overlapped with each other. At least one ring piece comprises a plurality of main ribs, a plurality of inner ribs, and a plurality of outer ribs. The main ribs are arranged in a circular manner with intervals in between, and a plurality of first gaps and a plurality of second gaps are formed alternately between the main ribs, wherein the inner ribs are respectively located in the first gaps, and the outer ribs are respectively located in the second gaps.
    Type: Application
    Filed: April 10, 2024
    Publication date: January 16, 2025
    Applicant: National Cheng Kung University
    Inventors: Mi-ching TSAI, Po-wei HUANG, Wen-hao YANG, Tsung-wei CHANG
  • Patent number: 12199084
    Abstract: Structures and methods of forming fan-out packages are provided. The packages described herein may include a cavity substrate, one or more semiconductor devices located in a cavity of the cavity substrate, and one or more redistribution structures. Embodiments include a cavity preformed in a cavity substrate. Various devices, such as integrated circuit dies, packages, or the like, may be placed in the cavity. Redistribution structures may also be formed.
    Type: Grant
    Filed: December 1, 2023
    Date of Patent: January 14, 2025
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Po-Hao Tsai, Techi Wong, Po-Yao Chuang, Shin-Puu Jeng, Meng-Wei Chou, Meng-Liang Lin
  • Patent number: 12191287
    Abstract: A package structure includes a first semiconductor package and a second semiconductor package over the first semiconductor package. The first semiconductor package includes a dielectric structure, a semiconductor device on the dielectric structure, under bump metallization (UBM) structures in the dielectric structure. The USB structures each include a first region and a second region surrounded by the first region. The first region has more metal layers than the second region. The bumps are respectively on the second regions of the UBM structures.
    Type: Grant
    Filed: September 25, 2023
    Date of Patent: January 7, 2025
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Jing-Cheng Lin, Po-Hao Tsai
  • Patent number: 12176337
    Abstract: Packaged devices and methods of manufacturing the devices are described herein. The packaged devices may be fabricated using heterogeneous devices and asymmetric dual-side molding on a multi-layered redistribution layer (RDL) structure. The packaged devices may be formed with a heterogeneous three-dimensional (3D) Fan-Out System-in-Package (SiP) structure having small profiles and can be formed using a single carrier substrate.
    Type: Grant
    Filed: July 21, 2022
    Date of Patent: December 24, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Yi-Wen Wu, Po-Yao Chuang, Meng-Liang Lin, Techi Wong, Shih-Ting Hung, Po-Hao Tsai, Shin-Puu Jeng
  • Publication number: 20240387433
    Abstract: A method includes forming a seed layer over a first conductive feature of a wafer, forming a patterned plating mask on the seed layer, and plating a second conductive feature in an opening in the patterned plating mask. The plating includes performing a plurality of plating cycles, with each of the plurality of plating cycles including a first plating process performed using a first plating current density, and a second plating process performed using a second plating current density lower than the first plating current density. The patterned plating mask is then removed, and the seed layer is etched.
    Type: Application
    Filed: July 24, 2024
    Publication date: November 21, 2024
    Inventors: Po-Hao Tsai, Ming-Da Cheng, Wen-Hsiung Lu, Hsu-Lun Liu, Kai-Di Wu, Su-Fei Lin
  • Publication number: 20240379428
    Abstract: A method includes forming a patterned mask comprising a first opening, plating a conductive feature in the first opening, depositing a passivation layer on a sidewall and a top surface of the conductive feature, and patterning the passivation layer to form a second opening in the passivation layer. The passivation layer has sidewalls facing the second opening. A planarization layer is dispensed on the passivation layer. The planarization layer is patterned to form a third opening. After the planarization layer is patterned, a portion of the planarization layer is located in the second opening and covers the sidewalls of the passivation layer. An Under-Bump Metallurgy (UBM) is formed to extend into the third opening.
    Type: Application
    Filed: July 22, 2024
    Publication date: November 14, 2024
    Inventors: Ming-Da Cheng, Tzy-Kuang Lee, Hao Chun Liu, Po-Hao Tsai, Chih-Hsien Lin, Ching-Wen Hsiao
  • Publication number: 20240379577
    Abstract: A method for forming a chip package structure is provided. The method includes forming a conductive pillar in a substrate layer, forming a recess in the substrate layer, disposing a chip in the recess, forming a molding layer in the recess and surrounding the chip. and forming a redistribution structure over the substrate layer and electrically connecting the conductive pillar to the chip.
    Type: Application
    Filed: July 24, 2024
    Publication date: November 14, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Shin-Puu JENG, Techi WONG, Po-Yao LIN, Ming-Chih YEW, Po-Hao TSAI, Po-Yao CHUANG
  • Publication number: 20240379605
    Abstract: A semiconductor device includes a substrate; an interconnect structure over the substrate; a first passivation layer over the interconnect structure; a first conductive pad, a second conductive pad, and a conductive line disposed over the first passivation layer and electrically coupled to conductive features of the interconnect structure; a conformal second passivation layer over and extending along upper surfaces and sidewalls of the first conductive pad, the second conductive pad, and the conductive line; a first conductive bump and a second conductive bump over the first conductive pad and the second conductive pad, respectively, where the first conductive bump and the second conductive bump extend through the conformal second passivation layer and are electrically coupled to the first conductive pad and the second conductive pad, respectively; and a dummy bump over the conductive line, where the dummy bump is separated from the conductive line by the conformal second passivation layer.
    Type: Application
    Filed: July 25, 2024
    Publication date: November 14, 2024
    Inventors: Ting-Li Yang, Po-Hao Tsai, Yi-Wen Wu, Sheng-Pin Yang, Hao-Chun Liu