Patents by Inventor Yu-Hsiang Hu

Yu-Hsiang Hu 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).

  • Patent number: 11868047
    Abstract: A method of manufacturing a semiconductor device includes applying a polymer mixture over a substrate, exposing and developing at least a portion of the polymer mixture to form a developed dielectric, and curing the developed dielectric to form a dielectric layer. The polymer mixture includes a polymer precursor, a photosensitizer, and a solvent. The polymer precursor may be a polyamic acid ester.
    Type: Grant
    Filed: September 21, 2020
    Date of Patent: January 9, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Sih-Hao Liao, Yu-Hsiang Hu, Hung-Jui Kuo, Chen-Hua Yu
  • Patent number: 11862594
    Abstract: A package structure includes a semiconductor die, conductive pillars, an insulating encapsulation, a redistribution circuit structure, and a solder resist layer. The conductive pillars are arranged aside of the semiconductor die. The insulating encapsulation encapsulates the semiconductor die and the conductive pillars, and the insulating encapsulation has a first surface and a second surface opposite to the first surface. The redistribution circuit structure is located on the first surface of the insulating encapsulation. The solder resist layer is located on the second surface of the insulating encapsulation, wherein a material of the solder resist layer includes a filler.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: January 2, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Ting-Chen Tseng, Hung-Jui Kuo, Yu-Hsiang Hu, Sih-Hao Liao
  • Patent number: 11862560
    Abstract: A package structure includes a semiconductor die and a first redistribution circuit structure. The first redistribution circuit structure is disposed on and electrically connected to the semiconductor die, and includes a first build-up layer. The first build-up layer includes a first metallization layer and a first dielectric layer laterally wrapping the first metallization layer, wherein at least a portion of the first metallization layer is protruded out of the first dielectric layer.
    Type: Grant
    Filed: October 29, 2021
    Date of Patent: January 2, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yung-Chi Chu, Hung-Jui Kuo, Yu-Hsiang Hu, Wei-Chih Chen
  • Patent number: 11854927
    Abstract: A package and a method forming the same are provided. The package includes an integrated circuit die. A sidewall of the integrated circuit die has a first facet and a second facet. The first facet and the second facet have different slopes. The package includes an encapsulant surrounding the integrated circuit die and in physical contact with the first facet and the second facet and an insulating layer over the integrated circuit die and the encapsulant. An upper surface of the integrated circuit die is lower than an upper surface of the encapsulant. A sidewall of the insulating layer is substantially coplanar with the first facet.
    Type: Grant
    Filed: May 28, 2021
    Date of Patent: December 26, 2023
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Ting-Chen Tseng, Sih-Hao Liao, Yu-Hsiang Hu, Hung-Jui Kuo
  • Patent number: 11854997
    Abstract: A method includes encapsulating a device die in an encapsulating material, forming a first dielectric layer over the device die and the encapsulating material, forming first redistribution lines extending into the first dielectric layer to electrically couple to the device die, forming an alignment mark over the first dielectric layer, wherein the alignment mark includes a plurality of elongated strips, forming a second dielectric layer over the first redistribution lines and the alignment mark, and forming second redistribution lines extending into the second dielectric layer to electrically couple to the first redistribution lines. The second redistribution lines are formed using the alignment mark for alignment.
    Type: Grant
    Filed: March 14, 2022
    Date of Patent: December 26, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Jhih-Yu Wang, Yung-Chi Chu, Sih-Hao Liao, Yu-Hsiang Hu, Hung-Jui Kuo
  • Patent number: 11842902
    Abstract: A semiconductor package includes a die and an encapsulant. The die has an active surface and an opposite backside surface. The encapsulant wraps around the die and has a recess reaching the backside surface. A span of the recess differs from a span of the backside surface and a span of the encapsulant.
    Type: Grant
    Filed: May 2, 2021
    Date of Patent: December 12, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Po-Han Wang, Hung-Jui Kuo, Yu-Hsiang Hu
  • Patent number: 11837502
    Abstract: A method of forming a semiconductor device includes forming a first dielectric layer over a front side of a wafer, the wafer having a plurality of dies at the front side of the wafer, the first dielectric layer having a first shrinkage ratio smaller than a first pre-determined threshold; curing the first dielectric layer at a first temperature, where after curing the first dielectric layer, a first distance between a highest point of an upper surface of the first dielectric layer and a lowest point of the upper surface of the first dielectric layer is smaller than a second pre-determined threshold; thinning the wafer from a backside of the wafer; and performing a dicing process to separate the plurality of dies into individual dies.
    Type: Grant
    Filed: June 7, 2021
    Date of Patent: December 5, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Meng-Che Tu, Wei-Chih Chen, Sih-Hao Liao, Yu-Hsiang Hu, Hung-Jui Kuo, Chen-Hua Yu
  • Publication number: 20230384682
    Abstract: An apparatus and a method for effectively exhausting evaporated material are provided. In an embodiment the apparatus includes a hot plate and an exhaust hood assembly suspended over the hot plate. The exhaust hood assembly includes a trench plate, a cover plate over the trench plate and a single exhaust pipe header over and attached to a single exhaust opening of the cover plate. During operation, the exhaust hood assembly reduces the amount of condensation and also collects any remaining condensation in order to help prevent condensation from impacting further manufacturing steps.
    Type: Application
    Filed: August 9, 2023
    Publication date: November 30, 2023
    Inventors: Po-Han Wang, Yu-Hsiang Hu, Hung-Jui Kuo, Chen-Hua Yu
  • Publication number: 20230386906
    Abstract: In an embodiment, a method includes: dispensing a first dielectric layer around and on a first metallization pattern, the first dielectric layer including a photoinsensitive molding compound; planarizing the first dielectric layer such that surfaces of the first dielectric layer and the first metallization pattern are planar; forming a second metallization pattern on the first dielectric layer and the first metallization pattern; dispensing a second dielectric layer around the second metallization pattern and on the first dielectric layer, the second dielectric layer including a photosensitive molding compound; patterning the second dielectric layer with openings exposing portions of the second metallization pattern; and forming a third metallization pattern on the second dielectric layer and in the openings extending through the second dielectric layer, the third metallization pattern coupled to the portions of the second metallization pattern exposed by the openings.
    Type: Application
    Filed: August 9, 2023
    Publication date: November 30, 2023
    Inventors: Ting-Chen Tseng, Sih-Hao Liao, Po-Han Wang, Yu-Hsiang Hu, Hung-Jui Kuo
  • Publication number: 20230386955
    Abstract: A package and a method forming the same are provided. The package includes an integrated circuit die. A sidewall of the integrated circuit die has a first facet and a second facet. The first facet and the second facet have different slopes. The package includes an encapsulant surrounding the integrated circuit die and in physical contact with the first facet and the second facet and an insulating layer over the integrated circuit die and the encapsulant. An upper surface of the integrated circuit die is lower than an upper surface of the encapsulant. A sidewall of the insulating layer is substantially coplanar with the first facet.
    Type: Application
    Filed: August 10, 2023
    Publication date: November 30, 2023
    Inventors: Ting-Chen Tseng, Sih-Hao Liao, Yu-Hsiang Hu, Hung-Jui Kuo
  • Publication number: 20230386861
    Abstract: A passivation layer and conductive via are provided, wherein the transmittance of an imaging energy is increased within the material of the passivation layer. The increase in transmittance allows for a greater cross-linking that helps to increase control over the contours of openings formed within the passivation layer. Once the openings are formed, the conductive vias can be formed within the openings.
    Type: Application
    Filed: August 10, 2023
    Publication date: November 30, 2023
    Inventors: Wei-Chih Chen, Yu-Hsiang Hu, Hung-Jui Kuo, Sih-Hao Liao
  • Publication number: 20230384672
    Abstract: A method of manufacturing a semiconductor device includes applying a polymer mixture over a substrate, exposing and developing at least a portion of the polymer mixture to form a developed dielectric, and curing the developed dielectric to form a dielectric layer. The polymer mixture includes a polymer precursor, a photosensitizer, and a solvent. The polymer precursor may be a polyamic acid ester.
    Type: Application
    Filed: August 9, 2023
    Publication date: November 30, 2023
    Inventors: Sih-Hao Liao, Yu-Hsiang Hu, Hung-Jui Kuo, Chen-Hua Yu
  • Publication number: 20230378065
    Abstract: A package structure includes a semiconductor die and a first redistribution circuit structure. The first redistribution circuit structure is disposed on and electrically connected to the semiconductor die, and includes a first build-up layer. The first build-up layer includes a first metallization layer and a first dielectric layer laterally wrapping the first metallization layer, wherein at least a portion of the first metallization layer is protruded out of the first dielectric layer.
    Type: Application
    Filed: August 1, 2023
    Publication date: November 23, 2023
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yung-Chi Chu, Hung-Jui Kuo, Yu-Hsiang Hu, Wei-Chih Chen
  • Publication number: 20230377969
    Abstract: A method of fabricating a redistribution circuit structure including the following steps is provided. A conductive via is formed. A photosensitive dielectric layer is formed to cover the conductive via. The photosensitive dielectric layer is partially removed to reveal the conductive via at least through an exposure and development process. A redistribution wiring is formed on the photosensitive dielectric layer and the revealed conductive via.
    Type: Application
    Filed: July 31, 2023
    Publication date: November 23, 2023
    Inventors: Po-Han Wang, Yu-Hsiang Hu, Hung-Jui Kuo
  • Publication number: 20230377975
    Abstract: A method of forming a semiconductor device includes forming a first dielectric layer over a front side of a wafer, the wafer having a plurality of dies at the front side of the wafer, the first dielectric layer having a first shrinkage ratio smaller than a first pre-determined threshold; curing the first dielectric layer at a first temperature, where after curing the first dielectric layer, a first distance between a highest point of an upper surface of the first dielectric layer and a lowest point of the upper surface of the first dielectric layer is smaller than a second pre-determined threshold; thinning the wafer from a backside of the wafer; and performing a dicing process to separate the plurality of dies into individual dies.
    Type: Application
    Filed: August 1, 2023
    Publication date: November 23, 2023
    Inventors: Meng-Che Tu, Wei-Chih Chen, Sih-Hao Liao, Yu-Hsiang Hu, Hung-Jui Kuo, Chen-Hua Yu
  • Publication number: 20230369158
    Abstract: A semiconductor device includes an encapsulant including a first hollow region, a sensing die in the first hollow region of the encapsulant, and a redistribution structure disposed on the encapsulant and the sensing die and electrically coupled to the sensing die. A top width of the hollow region is greater than a bottom width of the hollow region. The redistribution structure includes a second hollow region which exposes a sensing area of the sensing die, and the redistribution structure is slanted downward from an edge of the device toward the sensing area.
    Type: Application
    Filed: July 25, 2023
    Publication date: November 16, 2023
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yung-Chi Chu, Hung-Jui Kuo, Yu-Hsiang Hu, Sih-Hao Liao, Tian Hu
  • Publication number: 20230369288
    Abstract: A semiconductor package includes a semiconductor die and a redistribution structure. The semiconductor die is laterally surrounded by a molding compound, and the semiconductor die has a conductive pillar and a complex compound sheath sandwiched between the conductive pillar and the molding compound. The redistribution structure is electrically connected with the semiconductor die and comprises a first via portion at a first side of the redistribution structure and a second via portion at a second side of the redistribution structure, and a base angle of the second via portion is greater than a base angle of the first via portion.
    Type: Application
    Filed: July 27, 2023
    Publication date: November 16, 2023
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Wei-Chih Chen, Hung-Jui Kuo, Yu-Hsiang Hu, Sih-Hao Liao, Hung-Chun Cho
  • Patent number: 11817399
    Abstract: A device includes a semiconductor chip, a molding compound, an insulating structure, an under-bump-metallurgy (UBM), a conductive ball, and a protection layer. The molding compound laterally surrounds the semiconductor chip. The insulating structure is over the semiconductor chip and the molding compound. The UBM is over the insulating structure and is electrically connected to the semiconductor chip. The conductive ball is in contact with the UBM. The protection layer extends from the UBM to the molding compound.
    Type: Grant
    Filed: June 6, 2021
    Date of Patent: November 14, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Zi-Jheng Liu, Jo-Lin Lan, Yu-Hsiang Hu, Hung-Jui Kuo
  • Patent number: 11817352
    Abstract: A method of fabricating a redistribution circuit structure including the following steps is provided. A conductive via is formed. A photosensitive dielectric layer is formed to cover the conductive via. The photosensitive dielectric layer is partially removed to reveal the conductive via at least through an exposure and development process. A redistribution wiring is formed on the photosensitive dielectric layer and the revealed conductive via.
    Type: Grant
    Filed: August 23, 2021
    Date of Patent: November 14, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Po-Han Wang, Yu-Hsiang Hu, Hung-Jui Kuo
  • Publication number: 20230360985
    Abstract: A package includes a die, an encapsulant, and a redistribution structure. The encapsulant laterally encapsulates the die. The redistribution structure is over the die and the encapsulant. The redistribution structure partially exposes the die. A top surface of the redistribution structure is slanted downward continuously from an edge of the package toward an interior of the package.
    Type: Application
    Filed: July 19, 2023
    Publication date: November 9, 2023
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yung-Chi Chu, Hung-Jui Kuo, Yu-Hsiang Hu, Sih-Hao Liao