Patents by Inventor Dar-Shii Chou

Dar-Shii Chou 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: 8120067
    Abstract: An integrated circuit chip includes a semiconductor substrate having thereon a plurality of IMD layers and first conductive layers embedded in the IMD layers; a first insulating layer overlying the IMD layers and the first conductive layers; a plurality of first power/ground mesh wiring lines, in a second conductive layer overlying the first insulating layer, for distributing power signal or ground signal; and a second insulating layer covering the second conductive layer and the first insulating layer.
    Type: Grant
    Filed: October 26, 2011
    Date of Patent: February 21, 2012
    Assignee: Mediatek Inc.
    Inventors: Ching-Chung Ko, Tao Cheng, Tien-Yueh Liu, Dar-Shii Chou, Peng-Cheng Kao
  • Publication number: 20120038055
    Abstract: An integrated circuit chip includes a semiconductor substrate having thereon a plurality of IMD layers and first conductive layers embedded in the IMD layers; a first insulating layer overlying the IMD layers and the first conductive layers; a plurality of first power/ground mesh wiring lines, in a second conductive layer overlying the first Insulating layer, for distributing power signal or ground signal; and a second insulating layer covering the second conductive layer and the first insulating layer.
    Type: Application
    Filed: October 26, 2011
    Publication date: February 16, 2012
    Inventors: Ching-Chung Ko, Tao Cheng, Tien-Yueh Liu, Dar-Shii Chou, Peng-Cheng Kao
  • Patent number: 8072004
    Abstract: An integrated circuit chip includes a semiconductor substrate having thereon a plurality of inter-metal dielectric (IMD) layers and a plurality of first conductive layers embedded in respective the plurality of IMD layers, wherein the first conductive layers comprise copper; a first passivation layer overlying the plurality of IMD layers and the plurality of first conductive layers; a plurality of first power/ground mesh wiring lines, formed in a second conductive layer overlying the first passivation layer, for distributing power signal or ground signal, wherein the second conductive layer comprise aluminum; and a second passivation layer covering the second conductive layer and the first passivation layer.
    Type: Grant
    Filed: September 15, 2010
    Date of Patent: December 6, 2011
    Assignee: Mediatek Inc.
    Inventors: Ching-Chung Ko, Tao Cheng, Tien-Yueh Liu, Dar-Shii Chou, Peng-Cheng Kao
  • Publication number: 20110001168
    Abstract: An integrated circuit chip includes a semiconductor substrate having thereon a plurality of inter-metal dielectric (IMD) layers and a plurality of first conductive layers embedded in respective the plurality of IMD layers, wherein the first conductive layers comprise copper; a first passivation layer overlying the plurality of IMD layers and the plurality of first conductive layers; a plurality of first power/ground mesh wiring lines, formed in a second conductive layer overlying the first passivation layer, for distributing power signal or ground signal, wherein the second conductive layer comprise aluminum; and a second passivation layer covering the second conductive layer and the first passivation layer.
    Type: Application
    Filed: September 15, 2010
    Publication date: January 6, 2011
    Inventors: Ching-Chung Ko, Tao Cheng, Tien-Yueh Liu, Dar-Shii Chou, Peng-Cheng Kao
  • Patent number: 7821038
    Abstract: An integrated circuit chip with reduced IR drop and improved chip performance is disclosed. The integrated circuit chip includes a semiconductor substrate having thereon a plurality of inter-metal dielectric (IMD) layers and a plurality of copper metal layers embedded in respective the plurality of IMD layers; a first passivation layer overlying the plurality of IMD layers and the plurality of copper metal layers; a first power/ground ring of a circuit block of the integrated circuit chip formed in a topmost layer of the plurality of copper metal layers; a second power/ground ring of the circuit block of the integrated circuit chip formed in an aluminum layer over the first passivation layer; and a second passivation layer covering the second power/ground ring and the first passivation layer.
    Type: Grant
    Filed: March 21, 2008
    Date of Patent: October 26, 2010
    Assignee: Mediatek Inc.
    Inventors: Ching-Chung Ko, Tao Cheng, Tien-Yueh Liu, Dar-Shii Chou, Peng-Cheng Kao
  • Publication number: 20090236637
    Abstract: An integrated circuit chip with reduced IR drop and improved chip performance is disclosed. The integrated circuit chip includes a semiconductor substrate having thereon a plurality of inter-metal dielectric (IMD) layers and a plurality of copper metal layers embedded in respective the plurality of IMD layers; a first passivation layer overlying the plurality of IMD layers and the plurality of copper metal layers; a first power/ground ring of a circuit block of the integrated circuit chip formed in a topmost layer of the plurality of copper metal layers; a second power/ground ring of the circuit block of the integrated circuit chip formed in an aluminum layer over the first passivation layer; and a second passivation layer covering the second power/ground ring and the first passivation layer.
    Type: Application
    Filed: March 21, 2008
    Publication date: September 24, 2009
    Inventors: Ching-Chung Ko, Tao Cheng, Tien-Yueh Liu, Dar-Shii Chou, Peng-Cheng Kao