Patents by Inventor Chao-Chun Tu

Chao-Chun Tu 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: 8766417
    Abstract: An integrated circuit chip includes a semiconductor substrate; a first interconnection wire having a first portion and a second portion on the semiconductor substrate, wherein the second portion is separated from the first portion; a second interconnection wire situated under the first interconnection wire; a first conductive via electrically coupling the first portion with the second interconnection wire; a conductive layer situated between the first interconnection wire and the second interconnection wire; and a second conductive via electrically coupling the conductive layer with the second portion.
    Type: Grant
    Filed: June 3, 2013
    Date of Patent: July 1, 2014
    Assignee: Mediatek Inc.
    Inventors: Chao-Chun Tu, Shih-Hung Lin, Chih-Chien Huang, Tien-Chang Chang
  • Publication number: 20130264681
    Abstract: An integrated circuit chip includes a semiconductor substrate; a first interconnection wire having a first portion and a second portion on the semiconductor substrate, wherein the second portion is separated from the first portion; a second interconnection wire situated under the first interconnection wire; a first conductive via electrically coupling the first portion with the second interconnection wire; a conductive layer situated between the first interconnection wire and the second interconnection wire; and a second conductive via electrically coupling the conductive layer with the second portion.
    Type: Application
    Filed: June 3, 2013
    Publication date: October 10, 2013
    Inventors: Chao-Chun Tu, Shih-Hung Lin, Chih-Chien Huang, Tien-Chang Chang
  • Patent number: 8476745
    Abstract: An integrated circuit chip includes a semiconductor substrate; a first interconnection wire having a first portion and a second portion on the semiconductor substrate, wherein the second portion is separated from the first portion; a second interconnection wire situated under the first interconnection wire; a first conductive via electrically coupling the first portion with the second interconnection wire; a conductive layer situated between the first interconnection wire and the second interconnection wire; and a second conductive via electrically coupling the conductive layer with the second portion.
    Type: Grant
    Filed: May 4, 2009
    Date of Patent: July 2, 2013
    Assignee: Mediatek Inc.
    Inventors: Chao-Chun Tu, Shih-Hung Lin, Chih-Chien Huang, Tien-Chang Chang
  • Patent number: 7915744
    Abstract: A semiconductor device comprises a first semiconductor die and a second semiconductor die. The first semiconductor die comprises a at least one first bond pads formed on a peripheral region of the first semiconductor die, a at least one re-distributed layer (RDL) pads formed on a center region of the first semiconductor die, and a at least one wire routes interconnecting the first bond pads and the RDL pads. The second semiconductor die is disposed over the first semiconductor die, wherein the second semiconductor die has a at least one second bond pads electrically connecting to the RDL pads via bonding wires; wherein the RDL pad is supported by at least a buffer layer.
    Type: Grant
    Filed: November 18, 2009
    Date of Patent: March 29, 2011
    Assignee: Mediatek Inc.
    Inventors: Chao-Chun Tu, Yang-Hui Fang
  • Publication number: 20100276805
    Abstract: An integrated circuit chip includes a semiconductor substrate; a first interconnection wire having a first portion and a second portion on the semiconductor substrate, wherein the second portion is separated from the first portion; a second interconnection wire situated under the first interconnection wire; a first conductive via electrically coupling the first portion with the second interconnection wire; a conductive layer situated between the first interconnection wire and the second interconnection wire; and a second conductive via electrically coupling the conductive layer with the second portion.
    Type: Application
    Filed: May 4, 2009
    Publication date: November 4, 2010
    Inventors: Chao-Chun Tu, Shih-Hung Lin, Chih-Chien Huang, Tien-Chang Chang
  • Publication number: 20100065954
    Abstract: A semiconductor device comprises a first semiconductor die and a second semiconductor die. The first semiconductor die comprises a at least one first bond pads formed on a peripheral region of the first semiconductor die, a at least one re-distributed layer (RDL) pads formed on a center region of the first semiconductor die, and a at least one wire routes interconnecting the first bond pads and the RDL pads. The second semiconductor die is disposed over the first semiconductor die, wherein the second semiconductor die has a at least one second bond pads electrically connecting to the RDL pads via bonding wires; wherein the RDL pad is supported by at least a buffer layer.
    Type: Application
    Filed: November 18, 2009
    Publication date: March 18, 2010
    Inventors: Chao-Chun Tu, Yang-Hui Fang
  • Patent number: 7678659
    Abstract: A method for reducing leakage current in a semiconductor capacitor. The method includes providing a top plate for collecting charge, providing a bottom plate for collecting an opposing charge to the top plate, providing a dielectric layer for insulation between the top plate and the bottom plate, providing a top contact, providing a bottom contact, providing a plurality of vias including top level vias for connecting the top plate to the top contact, and bottom level vias for connecting the bottom plate to the bottom contact; and separating a via and an adjacent structure such that their distance is greater than a minimum via spacing requirement of a foundry design rule for a semiconductor process producing the semiconductor capacitor.
    Type: Grant
    Filed: June 2, 2006
    Date of Patent: March 16, 2010
    Assignee: MediaTek Inc.
    Inventors: Chao-Chun Tu, Ming-Chieh Lin
  • Patent number: 7646087
    Abstract: A semiconductor device includes a first semiconductor die and a second semiconductor die. The first semiconductor includes a plurality of first bond pads formed on a peripheral region of the first semiconductor die, a plurality of re-distributed layer (RDL) pads formed on a center region of the first semiconductor die, and a plurality of wire routes interconnecting the first bond pads and the RDL pads. The second semiconductor die is disposed over the first semiconductor die, wherein the second semiconductor die has a plurality of second bond pads electrically connecting to the RDL pads via bonding wires; wherein the RDL pad is supported by at least a layer of stress-releasing metal disposed directly underneath the RDL pad.
    Type: Grant
    Filed: September 14, 2007
    Date of Patent: January 12, 2010
    Assignee: Mediatek Inc.
    Inventors: Chao-Chun Tu, Yang-Hui Fang
  • Publication number: 20080001296
    Abstract: A semiconductor device comprises a first semiconductor die and a second semiconductor die. The first semiconductor die comprises a plurality of first bond pads formed on a peripheral region of the first semiconductor die, a plurality of re-distributed layer (RDL) pads formed on a center region of the first semiconductor die, and a plurality of wire routes interconnecting the first bond pads and the RDL pads. The second semiconductor die deposed over the first semiconductor die, wherein the second semiconductor die has a plurality of second bond pads electrical connecting to the RDL pads via bonding wires; wherein the RDL pad is supported by at least a layer of stress-releasing metal disposed directly underneath the RDL pad.
    Type: Application
    Filed: September 14, 2007
    Publication date: January 3, 2008
    Inventors: Chao-Chun Tu, Yang-Hui Fang
  • Publication number: 20070072361
    Abstract: A method for reducing leakage current in a semiconductor capacitor. The method includes providing a top plate for collecting charge, providing a bottom plate for collecting an opposing charge to the top plate, providing a dielectric layer for insulation between the top plate and the bottom plate, providing a top contact, providing a bottom contact, providing a plurality of vias including top level vias for connecting the top plate to the top contact, and bottom level vias for connecting the bottom plate to the bottom contact; and separating a via and an adjacent structure such that their distance is greater than a minimum via spacing requirement of a foundry design rule for a semiconductor process producing the semiconductor capacitor.
    Type: Application
    Filed: June 2, 2006
    Publication date: March 29, 2007
    Inventors: Chao-Chun Tu, Ming-Chieh Lin
  • Publication number: 20060244156
    Abstract: Bond pad structures and semiconductor devices using the same. An exemplary semiconductor device comprises a substrate. An intermediate structure is formed over the substrate. A bond pad structure is formed over the intermediate structure. In one exemplary embodiment, the intermediate structure comprises a first metal layer neighboring and supporting the bond pad structure and a plurality of second metal layers underlying the intermediate structure, wherein one of the second metal layers functions as a power line.
    Type: Application
    Filed: April 18, 2005
    Publication date: November 2, 2006
    Inventors: Tao Cheng, Chao-Chun Tu, Min-Chieh Lin, C.C. Mao, Hsiu Chen Peng, D. S. Chou