Patents by Inventor SIH-HAO LIAO

SIH-HAO LIAO 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: 11417582
    Abstract: A package structure includes a semiconductor die, an insulating encapsulation, a first redistribution circuit structure and a surface-modifying film. The semiconductor die has conductive terminals. The insulating encapsulation laterally encapsulates the semiconductor die and exposes the conductive terminals. The first redistribution circuit structure is located over the insulating encapsulation and electrically connected to the semiconductor die. The surface-modifying film is located on the insulating encapsulation and has a plurality of openings exposing edges of the conductive terminals, wherein the surface-modifying film separates the first redistribution circuit structure from the insulating encapsulation.
    Type: Grant
    Filed: August 30, 2020
    Date of Patent: August 16, 2022
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Wei-Chih Chen, Hung-Jui Kuo, Yu-Hsiang Hu, Sih-Hao Liao, Hung-Chun Cho
  • Patent number: 11404342
    Abstract: A package structure and a method of forming the same are provided. The package structure includes a first die, a second die, a first encapsulant, and a buffer layer. The first die and the second die are disposed side by side. The first encapsulant encapsulates the first die and the second die. The second die includes a die stack encapsulated by a second encapsulant encapsulating a die stack. The buffer layer is disposed between the first encapsulant and the second encapsulant and covers at least a sidewall of the second die and disposed between the first encapsulant and the second encapsulant. The buffer layer has a Young's modulus less than a Young's modulus of the first encapsulant and a Young's modulus of the second encapsulant.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: August 2, 2022
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Wei-Chih Chen, Chien-Hsun Lee, Chung-Shi Liu, Hao-Cheng Hou, Hung-Jui Kuo, Jung-Wei Cheng, Tsung-Ding Wang, Yu-Hsiang Hu, Sih-Hao Liao
  • Publication number: 20220230980
    Abstract: A package includes a die and a redistribution layer. A top surface of the die has a first area and a second area connected with the first area. The redistribution layer structure includes a first insulation layer, a redistribution layer, and a second insulation layer. The first insulation layer is overlapping with the second area. The redistribution layer is disposed above the die. The second insulation layer is disposed above the redistribution layer and overlapping with the second area and the first area. The second insulation layer covers a top surface of the first insulation layer and is in contact with a side surface of the first insulation layer and the top surface of the die.
    Type: Application
    Filed: January 21, 2021
    Publication date: July 21, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Tian Hu, Hung-Jui Kuo, Yu-Hsiang Hu, Sih-Hao Liao
  • Publication number: 20220223490
    Abstract: A semiconductor package includes a semiconductor die including a sensing component, an encapsulant laterally covering the semiconductor die, a through insulator via (TIV) and a dummy TIV penetrating through the encapsulant, a patterned dielectric layer disposed on the top surfaces of the encapsulant and the semiconductor die, a conductive pattern disposed on and inserted into the patterned dielectric layer to be in contact with the TIV and the semiconductor die, and a first dummy conductive pattern disposed on the patterned dielectric layer and connected to the dummy TIV. The top surface of the encapsulant is above and rougher than a top surface of the semiconductor die, and the sensing component is accessibly exposed by the patterned dielectric layer.
    Type: Application
    Filed: March 27, 2022
    Publication date: July 14, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yung-Chi Chu, Hung-Jui Kuo, Yu-Hsiang Hu, Sih-Hao Liao, Tian Hu
  • Publication number: 20220208688
    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: Application
    Filed: March 14, 2022
    Publication date: June 30, 2022
    Inventors: Jhih-Yu Wang, Yung-Chi Chu, Sih-Hao Liao, Yu-Hsiang Hu, Hung-Jui Kuo
  • Publication number: 20220208711
    Abstract: A die includes a substrate, a conductive pad, a connector and a protection layer. The conductive pad is disposed over the substrate. The connector is disposed on the conductive pad. The connector includes a seed layer and a conductive post. The protection layer laterally covers the connector. Topmost surfaces of the seed layer and the conductive post and a top surface of the protection layer are level with each other.
    Type: Application
    Filed: March 21, 2022
    Publication date: June 30, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Wei-Chih Chen, Hung-Jui Kuo, Yu-Hsiang Hu, Sih-Hao Liao
  • Publication number: 20220189854
    Abstract: A package structure and method of forming the same are provided. The package structure includes a die, a via, an encapsulant, an adhesion promoter layer, and a polymer layer. The via is laterally aside the die. The encapsulant laterally encapsulates the die and the via. The adhesion promoter layer is sandwiched between the via and the encapsulant. The encapsulant comprises a portion aside the via and under the adhesion promoter layer, and the portion of the encapsulant is sandwiched between the adhesion promoter layer and the polymer layer.
    Type: Application
    Filed: March 7, 2022
    Publication date: June 16, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Hung-Chun Cho, Hung-Jui Kuo, Yu-Hsiang Hu, Sih-Hao Liao, Wei-Chih Chen
  • Patent number: 11342296
    Abstract: A semiconductor structure includes an insulating encapsulant, a semiconductor element, a redistribution layer and an insulating layer. The semiconductor element is embedded in the insulating encapsulant. The redistribution layer is disposed over the insulating encapsulant and electrically connected to the semiconductor element. The insulating layer is disposed in between the insulating encapsulant and the redistribution layer, wherein an uneven interface exists between the insulating layer and the insulating encapsulant, and a planar interface exists between the insulating layer and the redistribution layer.
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: May 24, 2022
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Wei-Chih Chen, Hung-Jui Kuo, Yu-Hsiang Hu, Sih-Hao Liao, Po-Han Wang
  • Publication number: 20220139774
    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: January 17, 2022
    Publication date: May 5, 2022
    Inventors: Ting-Chen Tseng, Sih-Hao Liao, Po-Han Wang, Yu-Hsiang Hu, Hung-Jui Kuo
  • Publication number: 20220139725
    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: April 30, 2021
    Publication date: May 5, 2022
    Inventors: Wei-Chih Chen, Yu-Hsiang Hu, Hung-Jui Kuo, Sih-Hao Liao
  • Publication number: 20220122898
    Abstract: A redistribution structure is made using filler-free insulating materials with a high shrinkage rate. As a result, good planarity may be achieved without the need to perform a planarization of each insulating layer of the redistribution structure, thereby simplifying the formation of the redistribution structure.
    Type: Application
    Filed: April 1, 2021
    Publication date: April 21, 2022
    Inventors: Wei-Chih Chen, Sih-Hao Liao, Yu-Hsiang Hu, Hung-Jui Kuo
  • Patent number: 11289396
    Abstract: A semiconductor package includes a semiconductor die including a sensing component, an encapsulant extending along sidewalls of the semiconductor die, a through insulator via (TIV) and a dummy TIV penetrating through the encapsulant and disposed aside the semiconductor die, a patterned dielectric layer disposed on the encapsulant and exposing the sensing component of the semiconductor die, a conductive pattern disposed on the patterned dielectric layer and extending to be in contact with the TIV and the semiconductor die, and a first dummy conductive pattern disposed on the patterned dielectric layer and connected to the dummy TIV through an alignment opening of the first patterned dielectric layer. The semiconductor die is in a hollow region of the encapsulant, and a top width of the hollow region is greater than a width of the semiconductor die.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: March 29, 2022
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yung-Chi Chu, Hung-Jui Kuo, Yu-Hsiang Hu, Sih-Hao Liao, Tian Hu
  • Publication number: 20220091505
    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: September 21, 2020
    Publication date: March 24, 2022
    Inventors: Sih-Hao Liao, Yu-Hsiang Hu, Hung-Jui Kuo, Chen-Hua Yu
  • Patent number: 11282804
    Abstract: A package structure and a method of forming the same are provided. The package structure includes a die, an encapsulant, a polymer layer and a redistribution layer. The encapsulant laterally encapsulates the die. The polymer layer is on the encapsulant and the die. The polymer layer includes an extending portion having a bottom surface lower than a top surface of the die. The redistribution layer penetrates through the polymer layer to connect to the die.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: March 22, 2022
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Wei-Chih Chen, Hung-Jui Kuo, Yu-Hsiang Hu, Sih-Hao Liao
  • Publication number: 20220082939
    Abstract: A method of manufacturing a semiconductor device includes forming a polymer mixture over a substrate, curing the polymer mixture to form a polymer material, and patterning the polymer material. The polymer mixture includes a polymer precursor, a photosensitizer, a cross-linker, and a solvent. The polymer precursor may be a polyamic acid ester. The cross-linker may be tetraethylene glycol dimethacrylate. The photosensitizer includes 4-phenyl-2-(piperazin-1-yl)thiazole. The mixture may further include an additive.
    Type: Application
    Filed: September 15, 2020
    Publication date: March 17, 2022
    Inventors: Sih-Hao Liao, Yu-Hsiang Hu, Hung-Jui Kuo, Chen-Hua Yu
  • Patent number: 11276647
    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 30, 2020
    Date of Patent: March 15, 2022
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Jhih-Yu Wang, Yung-Chi Chu, Sih-Hao Liao, Yu-Hsiang Hu, Hung-Jui Kuo
  • Patent number: 11270927
    Abstract: A package structure and method of forming the same are provided. The package structure includes a die, a TIV, an encapsulant, an adhesion promoter layer, a RDL structure and a conductive terminal. The TIV is laterally aside the die. The encapsulant laterally encapsulates the die and the TIV. The adhesion promoter layer is sandwiched between the TIV and the encapsulant. The RDL structure is electrically connected to the die and the TIV. The conductive terminal is electrically connected to the die through the RDL structure.
    Type: Grant
    Filed: August 22, 2019
    Date of Patent: March 8, 2022
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Hung-Chun Cho, Hung-Jui Kuo, Yu-Hsiang Hu, Sih-Hao Liao, Wei-Chih Chen
  • Publication number: 20220068746
    Abstract: A package structure includes a semiconductor die, an insulating encapsulation, a first redistribution circuit structure and a surface-modifying film. The semiconductor die has conductive terminals. The insulating encapsulation laterally encapsulates the semiconductor die and exposes the conductive terminals. The first redistribution circuit structure is located over the insulating encapsulation and electrically connected to the semiconductor die. The surface-modifying film is located on the insulating encapsulation and has a plurality of openings exposing edges of the conductive terminals, wherein the surface-modifying film separates the first redistribution circuit structure from the insulating encapsulation.
    Type: Application
    Filed: August 30, 2020
    Publication date: March 3, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Wei-Chih Chen, Hung-Jui Kuo, Yu-Hsiang Hu, Sih-Hao Liao, Hung-Chun Cho
  • Patent number: 11227795
    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: Grant
    Filed: January 17, 2020
    Date of Patent: January 18, 2022
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Ting-Chen Tseng, Sih-Hao Liao, Po-Han Wang, Yu-Hsiang Hu, Hung-Jui Kuo
  • Publication number: 20210398942
    Abstract: An integrated fan-out (InFO) package includes a die, a plurality of conductive structures aside the die, an encapsulant laterally encapsulating the die and the conductive structure, and a redistribution structure. The redistribution structure is disposed on the encapsulant. The redistribution structure includes a plurality of routing patterns, a plurality of conductive vias, and a plurality of alignment marks. The routing patterns and the conductive vias are electrically connected to the die and the conductive structures. The alignment marks surround the routing patterns and the conductive vias. The alignment marks are electrically insulated from the die and the conductive structures. At least one of the alignment marks is in physical contact with the encapsulant, and vertical projections of the alignment marks onto the encapsulant have an offset from one another.
    Type: Application
    Filed: September 3, 2021
    Publication date: December 23, 2021
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Jhih-Yu Wang, Hung-Jui Kuo, Yu-Hsiang Hu, Sih-Hao Liao, Yung-Chi Chu