Patents by Inventor Li-Huan Chu

Li-Huan Chu 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: 20230402324
    Abstract: A semiconductor structure includes a first device and a second device bonded on the first device. The first device has a first sidewall distal to the second device and a second sidewall proximal to the second device. A surface roughness of the second sidewall is larger than a surface roughness of the first sidewall. The second device has a third sidewall proximal to the first device and a fourth sidewall distal to the first device. A surface roughness of the fourth sidewall is larger than a surface roughness of the third sidewall.
    Type: Application
    Filed: August 10, 2023
    Publication date: December 14, 2023
    Inventors: Tsung-Hsing Lu, Jun He, Li-Huan Chu, Pei-Haw Tsao
  • Patent number: 11742276
    Abstract: A package manufacturing process and semiconductor packages are provided. An interposer having a crystal structure is provided. A first die and a second die are bonded on the interposer. The second die is positioned to be spaced apart from the first die with a gap extending direction that is perpendicular to a shortest distance of the gap, and the gap extending direction is not parallel with a crystallographic orientation of the crystal structure of the interposer. A molding compound is formed over the interposer covering the first and second dies. The molding compound and the interposer are cut into packages.
    Type: Grant
    Filed: April 20, 2022
    Date of Patent: August 29, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Li-Huan Chu, Hsu-Hsien Chen, Liang-Chen Lin, Tsung-Yang Hsieh, Hsin-Hsien Lee, Kuen-Hong Tsai
  • Publication number: 20230238360
    Abstract: A semiconductor package assembly and an electronic device are provided. The semiconductor package assembly includes a base, a system-on-chip (SOC) package, a memory package and a silicon capacitor die. The base has a first surface and a second surface opposite the first surface. The SOC package is disposed on the first surface of the base and includes a SOC die having pads and a redistribution layer (RDL) structure. The RDL structure is electrically connected to the SOC die by the pads. The memory package is stacked on the SOC package and includes a memory package substrate and a memory die. The memory package substrate has a top surface and a bottom surface. The memory die is electrically connected to the memory package substrate. The silicon capacitor die is disposed on and electrically connected to the second surface of the base.
    Type: Application
    Filed: December 29, 2022
    Publication date: July 27, 2023
    Inventors: Li-Huan CHU, Kai-Che CHENG, Ming-Tsung LIN, Sheng-Feng LIU, Chi-Ko YU
  • Publication number: 20230230891
    Abstract: Generally, the present disclosure provides example embodiments relating to a package that may be attached to a printed circuit board (PCB). In an embodiment, a structure includes a package. The package includes one or more dies and metal pads on an exterior surface of the package. At least some of the metal pads are first solder ball pads. The structure further includes pins, and each of the pins is attached to a respective one of the metal pads.
    Type: Application
    Filed: March 20, 2023
    Publication date: July 20, 2023
    Inventors: Pei-Haw Tsao, Tsung-Hsing Lu, Li-Huan Chu
  • Patent number: 11610827
    Abstract: Generally, the present disclosure provides example embodiments relating to a package that may be attached to a printed circuit board (PCB). In an embodiment, a structure includes a package. The package includes one or more dies and metal pads on an exterior surface of the package. At least some of the metal pads are first solder ball pads. The structure further includes pins, and each of the pins is attached to a respective one of the metal pads.
    Type: Grant
    Filed: December 14, 2020
    Date of Patent: March 21, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Pei-Haw Tsao, Tsung-Hsing Lu, Li-Huan Chu
  • Patent number: 11527499
    Abstract: An integrated fan-out structure on a semiconductor die, method of making the same and method of testing the semiconductor die are disclosed. The semiconductor die includes a bond pad and a hole formed in the bond pad, a passivation layer formed over a portion of the bond pad, and a protective layer formed over the hole in the bond pad.
    Type: Grant
    Filed: February 4, 2021
    Date of Patent: December 13, 2022
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Tsui-Mei Chen, Tsung-Jen Liao, Li-Huan Chu, Pei-Haw Tsao
  • Publication number: 20220352103
    Abstract: An integrated fan-out structure on a semiconductor die, method of making the same and method of testing the semiconductor die are disclosed. The semiconductor die includes a bond pad and a hole formed in the bond pad, a passivation layer formed over a portion of the bond pad, and a protective layer formed over the hole in the bond pad.
    Type: Application
    Filed: July 19, 2022
    Publication date: November 3, 2022
    Inventors: Tsui-Mei CHEN, Tsung-Jen LIAO, Li-Huan CHU, Pei-Haw TSAO
  • Publication number: 20220336370
    Abstract: A non-conductive magnetic shield material is provided for use in magnetic shields of semiconductor packaging. The material is made magnetic by the incorporation of ferromagnetic particles into a polymer matrix, and is made non-conductive by the provision of an insulating coating on the ferromagnetic particles.
    Type: Application
    Filed: June 28, 2022
    Publication date: October 20, 2022
    Inventors: Tsung-Hsing LU, Pei-Haw TSAO, Li-Huan CHU
  • Publication number: 20220246511
    Abstract: A package manufacturing process and semiconductor packages are provided. An interposer having a crystal structure is provided. A first die and a second die are bonded on the interposer. The second die is positioned to be spaced apart from the first die with a gap extending direction that is perpendicular to a shortest distance of the gap, and the gap extending direction is not parallel with a crystallographic orientation of the crystal structure of the interposer. A molding compound is formed over the interposer covering the first and second dies. The molding compound and the interposer are cut into packages.
    Type: Application
    Filed: April 20, 2022
    Publication date: August 4, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Li-Huan Chu, Hsu-Hsien Chen, Liang-Chen Lin, Tsung-Yang Hsieh, Hsin-Hsien Lee, Kuen-Hong Tsai
  • Patent number: 11404383
    Abstract: A non-conductive magnetic shield material is provided for use in magnetic shields of semiconductor packaging. The material is made magnetic by the incorporation of ferromagnetic particles into a polymer matrix, and is made non-conductive by the provision of an insulating coating on the ferromagnetic particles.
    Type: Grant
    Filed: October 21, 2020
    Date of Patent: August 2, 2022
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Tsung-Hsing Lu, Pei-Haw Tsao, Li-Huan Chu
  • Patent number: 11342291
    Abstract: A semiconductor package includes a semiconductor substrate, an interconnect structure disposed over the substrate, a first passivation layer disposed over an interconnect structure, a contact pad disposed over the first passivation layer, a dummy pattern disposed around the contact pad and over the first passivation layer, and a second passivation layer overlaying the dummy pattern and the contact pad.
    Type: Grant
    Filed: May 6, 2020
    Date of Patent: May 24, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Yao-Chun Chuang, Hong-Seng Shue, Chen-Nan Chiu, Li-Huan Chu, Mirng-Ji Lii
  • Patent number: 11315860
    Abstract: A package manufacturing process and semiconductor packages are provided. An interposer having a crystal structure is provided. A first die and a second die are bonded on the interposer. The second die is positioned to be spaced apart from the first die with a gap extending direction that is perpendicular to a shortest distance of the gap, and the gap extending direction is not parallel with a crystallographic orientation of the crystal structure of the interposer. A molding compound is formed over the interposer covering the first and second dies. The molding compound and the interposer are cut into packages.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: April 26, 2022
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Li-Huan Chu, Hsu-Hsien Chen, Liang-Chen Lin, Tsung-Yang Hsieh, Hsin-Hsien Lee, Kuen-Hong Tsai
  • Publication number: 20220110232
    Abstract: The current disclosure describes carrier tape systems, which include a cover tape having adhesion areas and non-adhesion areas which are substantially free of adhesive. Methods for supplying semiconductor devices to an apparatus, which in operation, places the semiconductor devices at desired locations are also described. Methods of forming a semiconductor device carrier system are also described.
    Type: Application
    Filed: December 17, 2021
    Publication date: April 7, 2022
    Inventors: Sung-Sheng CHIU, Pei-Haw TSAO, Tsui-Mei CHEN, Shih-Hsing LIN, Li-Huan CHU
  • Patent number: 11239143
    Abstract: A semiconductor structure includes a first substrate including a first surface and a second surface opposite to the first surface; a first conductive via extended through the first substrate; a second conductive via extended through the first substrate; and a third conductive via extended through the first substrate, wherein the second conductive via is disposed between the first conductive via and the third conductive via, the second conductive via is configured to connect to a signal source, and the first conductive via and the third conductive via are configured to connect to an electrical ground.
    Type: Grant
    Filed: August 5, 2019
    Date of Patent: February 1, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Pei-Haw Tsao, Tsung-Hsing Lu, Li-Huan Chu
  • Patent number: 11240947
    Abstract: The current disclosure describes carrier tape systems, which include a cover tape having adhesion areas and non-adhesion areas which are substantially free of adhesive. Methods for supplying semiconductor devices to an apparatus, which in operation, places the semiconductor devices at desired locations are also described. Methods of forming a semiconductor device carrier system are also described.
    Type: Grant
    Filed: March 4, 2019
    Date of Patent: February 1, 2022
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Sung-Sheng Chiu, Pei-Haw Tsao, Tsui-Mei Chen, Shih-Hsing Lin, Li-Huan Chu
  • Publication number: 20210358808
    Abstract: A semiconductor structure includes a first device and a second device bonded on the first device. The first device has a first sidewall distal to the second device and a second sidewall proximal to the second device. A surface roughness of the second sidewall is larger than a surface roughness of the first sidewall.
    Type: Application
    Filed: July 28, 2021
    Publication date: November 18, 2021
    Inventors: Tsung-Hsing Lu, Jun He, Li-Huan Chu, Pei-Haw Tsao
  • Publication number: 20210343667
    Abstract: An integrated fan-out structure on a semiconductor die, method of making the same and method of testing the semiconductor die are disclosed. The semiconductor die includes a bond pad and a hole formed in the bond pad, a passivation layer formed over a portion of the bond pad, and a protective layer formed over the hole in the bond pad.
    Type: Application
    Filed: February 4, 2021
    Publication date: November 4, 2021
    Inventors: Tsui-Mei CHEN, Tsung-Jen LIAO, Li-Huan CHU, Pei-Haw TSAO
  • Patent number: 11127704
    Abstract: A semiconductor device includes a substrate and at least one bump structure disposed over the substrate. The at least one bump structure includes a pillar formed of a metal having a lower solderability than copper or a copper alloy to a solder alloy disposed over the substrate. A solder alloy is formed directly over and in contact with an upper surface of the metal having the lower solderability than copper or a copper alloy. The pillar has a height of greater than 10 ?m.
    Type: Grant
    Filed: October 24, 2018
    Date of Patent: September 21, 2021
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Pei-Haw Tsao, Chen-Shien Chen, Cheng-Hung Tsai, Kuo-Chin Chang, Li-Huan Chu
  • Patent number: 11101190
    Abstract: Generally, the present disclosure provides example embodiments relating to a package attached to a printed circuit board (PCB). In an embodiment, a structure includes a PCB. The PCB has ball pads arranged in a matrix. Outer ball pads are along one or more outer edges of the matrix, and each of the outer ball pads has a first solder-attach area. Inner ball pads are interior to the matrix, and each of the inner ball pads has a second solder-attach area. The first solder-attach area is larger than the second solder-attach area.
    Type: Grant
    Filed: July 16, 2018
    Date of Patent: August 24, 2021
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Pei-Haw Tsao, Tsung-Hsing Lu, Li-Huan Chu
  • Patent number: 11081392
    Abstract: A method includes providing first and second wafers; forming a first device layer in a top portion of the first wafer; forming a second device layer in a top portion of the second wafer; forming a first groove in the first device layer; forming a second groove in the second device layer; bonding the first and second wafers together after at least one of the first and second grooves is formed; and dicing the bonded first and second wafers by a cutting process, wherein the cutting process cuts through the first and second grooves.
    Type: Grant
    Filed: September 3, 2019
    Date of Patent: August 3, 2021
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Tsung-Hsing Lu, Jun He, Li-Huan Chu, Pei-Haw Tsao