Patents by Inventor Shiann-Tsong Tsai

Shiann-Tsong 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).

  • Patent number: 11967570
    Abstract: A semiconductor package includes a base comprising a top surface and a bottom surface that is opposite to the top surface; a first semiconductor chip mounted on the top surface of the base in a flip-chip manner; a second semiconductor chip stacked on the first semiconductor chip and electrically coupled to the base by wire bonding; an in-package heat dissipating element comprising a dummy silicon die adhered onto the second semiconductor chip by using a high-thermal conductive die attach film; and a molding compound encapsulating the first semiconductor die, the second semiconductor die, and the in-package heat dissipating element.
    Type: Grant
    Filed: March 4, 2022
    Date of Patent: April 23, 2024
    Assignee: MediaTek Inc.
    Inventors: Chia-Hao Hsu, Tai-Yu Chen, Shiann-Tsong Tsai, Hsing-Chih Liu, Yao-Pang Hsu, Chi-Yuan Chen, Chung-Fa Lee
  • Patent number: 11955443
    Abstract: A manufacturing method of a flip chip package structure is provided and has following steps: providing at least one silicon substrate having a connecting surface and at least one conductive base attached to the connecting surface; arranging a graphene copper layer covering the conductive base; laminating a photoresist layer on the connecting surface, etching the photoresist layer to form a cavity corresponding to the conductive base, and a portion of the graphene copper layer corresponding to the conductive base being exposed on a bottom of the cavity; electroplating a copper material on the graphene copper layer, and the copper material being accumulated in the cavity to form a copper pillar; removing the photoresist layer and the graphene copper layer covered by the photoresist layer.
    Type: Grant
    Filed: February 17, 2022
    Date of Patent: April 9, 2024
    Assignee: AMAZING COOL TECHNOLOGY CORP.
    Inventors: Shiann-Tsong Tsai, Yang-Ming Shih, Hung-Yun Hsu
  • Patent number: 11869849
    Abstract: A semiconductor package includes a carrier substrate having a top surface; a semiconductor die mounted on the top surface; first bonding wires connecting the semiconductor die to the carrier substrate; an insulating material encapsulating the plurality of first bonding wires; a component having a metal layer mounted on the insulating material; second bonding wires connecting the metal layer of the component to the carrier substrate; and a molding compound covering the top surface of the carrier substrate and encapsulating the semiconductor die, the component, the first bonding wires, the second bonding wires, and the insulating material. The metal layer and the second bonding wires constitute an electromagnetic interference (EMI) shielding structure.
    Type: Grant
    Filed: May 9, 2022
    Date of Patent: January 9, 2024
    Assignee: MEDIATEK INC.
    Inventor: Shiann-Tsong Tsai
  • Publication number: 20230371187
    Abstract: A package substrate structure includes a substrate, a metal base layer, a build-up film, a bonding layer, and a wiring unit. The metal base layer is disposed on the substrate. The build-up film is disposed on the metal base layer and is formed with trenches to expose the metal base layer. The build-up film includes an insulating material. The bonding layer is disposed on the build-up film and includes a graphene-metal composite. The graphene-metal composite includes a metal matrix, and a plurality of graphene nanostructures dispersed in the metal matrix and arranged among lattices of the metal matrix. The graphene nanostructures form covalent bonds with each other. The wiring unit is bonded to the build-up film through the bonding layer and fills the trenches so as to be electrically connected to the metal base layer. The wiring unit is formed with a wiring pattern on the build-up film.
    Type: Application
    Filed: May 11, 2023
    Publication date: November 16, 2023
    Inventors: Shiann-Tsong TSAI, Yang-Ming SHIH, Hung-Yun HSU
  • Publication number: 20230260936
    Abstract: A manufacturing method of a flip chip package structure is provided and has following steps: providing at least one silicon substrate having a connecting surface and at least one conductive base attached to the connecting surface; arranging a graphene copper layer covering the conductive base; laminating a photoresist layer on the connecting surface, etching the photoresist layer to form a cavity corresponding to the conductive base, and a portion of the graphene copper layer corresponding to the conductive base being exposed on a bottom of the cavity; electroplating a copper material on the graphene copper layer, and the copper material being accumulated in the cavity to form a copper pillar; removing the photoresist layer and the graphene copper layer covered by the photoresist layer.
    Type: Application
    Filed: February 17, 2022
    Publication date: August 17, 2023
    Inventors: Shiann-Tsong TSAI, Yang-Ming SHIH, Hung-Yun HSU
  • Patent number: 11705413
    Abstract: A semiconductor package including a base comprising an upper surface and a lower surface that is opposite to the upper surface; a radio-frequency (RF) module embedded near the upper surface of the base; an integrated circuit (IC) die mounted on the lower surface of the base in a flip-chip manner so that a backside of the IC die is available for heat dissipation; a plurality of conductive structures disposed on the lower surface of the base and arranged around the IC die; and a metal thermal interface layer comprising a backside metal layer that is in contact with the backside of the IC die, and a solder paste conformally printed on the backside metal layer.
    Type: Grant
    Filed: December 14, 2021
    Date of Patent: July 18, 2023
    Assignee: MEDIATEK INC.
    Inventors: Chia-Hao Hsu, Tai-Yu Chen, Shiann-Tsong Tsai, Hsing-Chih Liu, Yao-Pang Hsu, Chi-Yuan Chen, Chung-Fa Lee
  • Publication number: 20220285297
    Abstract: A semiconductor package includes a base comprising a top surface and a bottom surface that is opposite to the top surface; a first semiconductor chip mounted on the top surface of the base in a flip-chip manner; a second semiconductor chip stacked on the first semiconductor chip and electrically coupled to the base by wire bonding; an in-package heat dissipating element comprising a dummy silicon die adhered onto the second semiconductor chip by using a high-thermal conductive die attach film; and a molding compound encapsulating the first semiconductor die, the second semiconductor die, and the in-package heat dissipating element.
    Type: Application
    Filed: March 4, 2022
    Publication date: September 8, 2022
    Applicant: MediaTek Inc.
    Inventors: Chia-Hao Hsu, Tai-Yu Chen, Shiann-Tsong Tsai, Hsing-Chih Liu, Yao-Pang Hsu, Chi-Yuan Chen, Chung-Fa Lee
  • Publication number: 20220262741
    Abstract: A semiconductor package includes a carrier substrate having a top surface; a semiconductor die mounted on the top surface; first bonding wires connecting the semiconductor die to the carrier substrate; an insulating material encapsulating the plurality of first bonding wires; a component having a metal layer mounted on the insulating material; second bonding wires connecting the metal layer of the component to the carrier substrate; and a molding compound covering the top surface of the carrier substrate and encapsulating the semiconductor die, the component, the first bonding wires, the second bonding wires, and the insulating material. The metal layer and the second bonding wires constitute an electromagnetic interference (EMI) shielding structure.
    Type: Application
    Filed: May 9, 2022
    Publication date: August 18, 2022
    Applicant: MEDIATEK INC.
    Inventor: Shiann-Tsong Tsai
  • Patent number: 11355450
    Abstract: A semiconductor package includes a carrier substrate having a top surface; a semiconductor die mounted on the top surface; a plurality of first bonding wires connecting the semiconductor die to the carrier substrate; an insulating material encapsulating the plurality of first bonding wires; a component having a metal layer mounted on the insulating material; a plurality of second bonding wires connecting the metal layer of the component to the carrier substrate; and a molding compound covering the top surface of the carrier substrate and encapsulating the semiconductor die, the component, the plurality of first bonding wires, the plurality of second bonding wires, and the insulating material. The metal layer and the plurality of second bonding wires constitute an electromagnetic interference (EMI) shielding structure.
    Type: Grant
    Filed: July 15, 2020
    Date of Patent: June 7, 2022
    Assignee: MEDIATEK INC.
    Inventor: Shiann-Tsong Tsai
  • Patent number: 11302657
    Abstract: A semiconductor package includes a base comprising a top surface and a bottom surface that is opposite to the top surface; a first semiconductor chip mounted on the top surface of the base in a flip-chip manner; a second semiconductor chip stacked on the first semiconductor chip and electrically coupled to the base by wire bonding; an in-package heat dissipating element comprising a dummy silicon die adhered onto the second semiconductor chip by using a high-thermal conductive die attach film; and a molding compound encapsulating the first semiconductor die, the second semiconductor die, and the in-package heat dissipating element.
    Type: Grant
    Filed: February 27, 2020
    Date of Patent: April 12, 2022
    Assignee: MediaTek Inc.
    Inventors: Chia-Hao Hsu, Tai-Yu Chen, Shiann-Tsong Tsai, Hsing-Chih Liu, Yao-Pang Hsu, Chi-Yuan Chen, Chung-Fa Lee
  • Publication number: 20220102297
    Abstract: A semiconductor package including a base comprising an upper surface and a lower surface that is opposite to the upper surface; a radio-frequency (RF) module embedded near the upper surface of the base; an integrated circuit (IC) die mounted on the lower surface of the base in a flip-chip manner so that a backside of the IC die is available for heat dissipation; a plurality of conductive structures disposed on the lower surface of the base and arranged around the IC die; and a metal thermal interface layer comprising a backside metal layer that is in contact with the backside of the IC die, and a solder paste conformally printed on the backside metal layer.
    Type: Application
    Filed: December 14, 2021
    Publication date: March 31, 2022
    Applicant: MEDIATEK INC.
    Inventors: Chia-Hao Hsu, Tai-Yu Chen, Shiann-Tsong Tsai, Hsing-Chih Liu, Yao-Pang Hsu, Chi-Yuan Chen, Chung-Fa Lee
  • Patent number: 11257780
    Abstract: A semiconductor package includes a carrier substrate having a top surface, a semiconductor die mounted on the top surface, a plurality of bonding wires connecting an active surface of the semiconductor die to the top surface of the carrier substrate, an insulating material encapsulating the plurality of bonding wires, a component mounted on the insulating material, and a molding compound covering the top surface of the carrier substrate and encapsulating the semiconductor die, the plurality of bonding wires, the component and the insulating material.
    Type: Grant
    Filed: March 31, 2020
    Date of Patent: February 22, 2022
    Assignee: MediaTek Inc.
    Inventor: Shiann-Tsong Tsai
  • Patent number: 11239179
    Abstract: A semiconductor package includes a substrate having thereon a high-frequency chip and a circuit component susceptible to high-frequency signal interference; a ground pad on the and between the high-frequency chip and the circuit component; a metal-post reinforced glue wall on the ground pad; a molding compound surrounding the metal-post reinforced glue wall and surrounding the high-frequency chip and the circuit component; and a conductive layer disposed on the molding compound and in contact with the metal-post reinforced glue wall. The metal-post reinforced glue wall comprises first metal posts and glue attached to the first metal posts. An interface between a base of each of the first metal posts and the ground pad has a root mean square (RMS) roughness that is less than 1.0 micrometer.
    Type: Grant
    Filed: July 13, 2020
    Date of Patent: February 1, 2022
    Inventors: Shiann-Tsong Tsai, Hsien-Chou Tsai, Hsien-Wei Tsai, Yen-Mei Tsai Huang
  • Patent number: 11227846
    Abstract: A semiconductor package includes a base having an upper surface and a lower surface opposite to the upper surface. An antenna array structure is embedded at the upper surface of the base. An IC die is mounted on the lower surface of the base in a flip-chip manner so that a backside of the IC die is available for heat dissipation. Solder ball pads are disposed on the lower surface of the base and arranged around the IC die. The semiconductor package further includes a metal thermal interface layer having a backside metal layer that is in direct contact with the backside of the IC die, and a solder paste conformally printed on the backside metal layer.
    Type: Grant
    Filed: January 14, 2020
    Date of Patent: January 18, 2022
    Assignee: MEDIATEK INC.
    Inventors: Chia-Hao Hsu, Tai-Yu Chen, Shiann-Tsong Tsai, Hsing-Chih Liu, Yao-Pang Hsu, Chi-Yuan Chen, Chung-Fa Lee
  • Patent number: 11211340
    Abstract: A semiconductor package includes a substrate having a semiconductor chip disposed on a top surface of the substrate, a ground ring surrounding the semiconductor chip on the top surface of the substrate, a metal-post reinforced glue wall disposed on the ground ring to surround the semiconductor chip, and a molding compound disposed only inside the metal-post reinforced glue wall and covering the semiconductor chip. The metal-post reinforced glue wall comprises a magnetic or magnetizable filler so as to form an active electro-magnetic compatibility (EMC) shielding.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: December 28, 2021
    Inventors: Shiann-Tsong Tsai, Hsien-Chou Tsai, Hsien-Wei Tsai, Yen-Mei Tsai Huang
  • Patent number: 10923435
    Abstract: A semiconductor package includes a substrate having at least one semiconductor chip on a top surface of the substrate; a ground ring, on the top surface of the substrate, surrounding the at least one semiconductor chip; a metal-post reinforced glue wall disposed on the ground ring, surrounding the at least one semiconductor chip; a molding compound surrounding the at least one semiconductor chip, wherein a rear surface of the at least one semiconductor chip is flush with an upper surface of the molding compound; a conductive layer disposed on the molding compound and in direct contact with the rear surface of the semiconductor chip and the metal-post reinforced glue wall; a solder layer disposed on the conductive layer; and a heat sink disposed on the solder layer.
    Type: Grant
    Filed: February 24, 2020
    Date of Patent: February 16, 2021
    Inventors: Shiann-Tsong Tsai, Hsien-Chou Tsai, Hsien-Wei Tsai, Yen-Mei Tsai Huang
  • Publication number: 20210035919
    Abstract: A semiconductor package includes a carrier substrate having a top surface; a semiconductor die mounted on the top surface; a plurality of first bonding wires connecting the semiconductor die to the carrier substrate; an insulating material encapsulating the plurality of first bonding wires; a component having a metal layer mounted on the insulating material; a plurality of second bonding wires connecting the metal layer of the component to the carrier substrate; and a molding compound covering the top surface of the carrier substrate and encapsulating the semiconductor die, the component, the plurality of first bonding wires, the plurality of second bonding wires, and the insulating material. The metal layer and the plurality of second bonding wires constitute an electromagnetic interference (EMI) shielding structure.
    Type: Application
    Filed: July 15, 2020
    Publication date: February 4, 2021
    Inventor: Shiann-Tsong Tsai
  • Patent number: 10896880
    Abstract: A semiconductor package includes a substrate. A high-frequency chip and a circuit component susceptible to high-frequency interference are disposed on a top surface of the substrate. A first ground ring is disposed on the substrate around the high-frequency chip. A first metal-post reinforced glue wall is disposed on the first ground ring to surround the high-frequency chip. A second ground ring is disposed on the top of the substrate around the circuit component. A second metal-post reinforced glue wall is disposed on the second ground ring to surround the circuit component. Mold-flow channels are disposed in the first and second metal-post reinforced glue walls. A molding compound covers at least the high-frequency chip and the circuit component. A conductive layer is disposed on the molding compound and is coupled to the first metal-post reinforced glue wall and/or the second metal-post reinforced glue wall.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: January 19, 2021
    Inventors: Shiann-Tsong Tsai, Hsien-Chou Tsai, Hsien-Wei Tsai, Yen-Mei Tsai Huang
  • Patent number: 10847488
    Abstract: A semiconductor package includes a carrier substrate having a top surface, a semiconductor die mounted on the top surface, a plurality of bonding wires connecting an active surface of the semiconductor die to the top surface of the carrier substrate, an insulating material encapsulating the plurality of bonding wires, a component mounted on the insulating material, and a molding compound covering the top surface of the carrier substrate and encapsulating the semiconductor die, the plurality of bonding wires, the component and the insulating material.
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: November 24, 2020
    Assignee: MediaTek Inc.
    Inventor: Shiann-Tsong Tsai
  • Publication number: 20200343196
    Abstract: A semiconductor package includes a substrate having thereon a high-frequency chip and a circuit component susceptible to high-frequency signal interference; a ground pad on the and between the high-frequency chip and the circuit component; a metal-post reinforced glue wall on the ground pad; a molding compound surrounding the metal-post reinforced glue wall and surrounding the high-frequency chip and the circuit component; and a conductive layer disposed on the molding compound and in contact with the metal-post reinforced glue wall. The metal-post reinforced glue wall comprises first metal posts and glue attached to the first metal posts. An interface between a base of each of the first metal posts and the ground pad has a root mean square (RMS) roughness that is less than 1.0 micrometer.
    Type: Application
    Filed: July 13, 2020
    Publication date: October 29, 2020
    Inventors: Shiann-Tsong Tsai, Hsien-Chou Tsai, Hsien-Wei Tsai, Yen-Mei Tsai Huang